bluuebunny/crossref_metadata_2025 huggingface dataset:
Optical Arbitrary Waveform Measurement (OAWM) on the Silicon Photonic Platform
Authors: Fang Dengyang , Zazzi Andrea , Müller Juliana , Drayß Daniel , Füllner Christoph , Marin-Palomo Pablo , Mashayekh Ali Tabatabaei , Das Arka Dipta , Weizel Maxim , Gudyriev Sergiy , Freude Wolfgang , Randel Sebastian , Scheytt Christoph , Witzens Jeremy , Koos Christian
Published: October 2021

We demonstrate optical arbitrary waveform measurement (OAWM) using a silicon pho-tonic spectral slicer. Exploiting maximal-ratio combining (MRC), we demonstrate the viability of the scheme by reconstructing 100-GBd 64QAM signals with high quality.
10Gb/s Intra-Chip Compact Electro-Optical Interconnect
Authors: Eppenberger Marco , Bonomi Mattia , Moor David , Mueller Marco , Bitachon Bertold Ian , Burger Thomas , Alloatti Luca
Published: October 2021

We demonstrate a digital-to-optical-to-digital link operating at 10 Gb/s with 2.4 pJ/b below 10-9 BER enabled by zero-change CMOS macros. All necessary electronic-photonic circuits are contained within 0.015 mm2 of silicon area.
Bi-Directional Interleaved Sub-Band Amplification in DWDM Application Using Single Unidirectional EDFA and 8×8 Cyclic-AWG
Authors: Cheng Ziyu , Guo Zidong , Zhu Yixiao , Hu Weisheng
Published: October 2021

A bi-directional optical amplification scheme based on single unidirectional EDFA and 8×8 Cyclic-AWG is presented, which has >10dB maximum gain and the additional ROP penalty at 50Gbit/s PAM-4 is ~1dB compared to EDFA amplification only.
Wide and parallel LED-based optical links using multi-core fiber for chip-to-chip communications
Authors: Pezeshki Bardia , Tselikov Alex , Kalman Robert , Danesh Cameron
Published: October 2021

We demonstrate >200 optical lanes in 0.5mm diameter imaging fiber with a speed-optimized GaN LED array, and independently, NRZ links of each LED to 10Gb/s over meters, extrapolating to >2Tb/s at a density >10Tb/mm2.
Hollow Core NANFs with Five Nested Tubes and Record Low Loss at 850, 1060, 1300 and 1625nm
Authors: Sakr Hesham , Bradley Thomas D , Jasion Gregory T , Fokoua Eric Numkam , Sandoghchi Seyed Reza , Davidson Ian A , Taranta Austin , Guerra Gianluca , Shere William , Chen Yong , Hayes John R , Richardson David J , Poletti Francesco
Published: October 2021

Using hollow-core NANFs with 5-nested-tubes, we achieve the lowest loss ever reported in a hollow core fiber at 1300 and 1625nm (0.22dB/km), and in any type of optical fiber at 850nm (0.6dB/km) and 1060nm (0.3dB/km).
Overcoming the Quantum Noise Limit with Continuous-wave Phase-Sensitive Parametric Amplification Based on a Single Integrated Silicon-Nitride Waveguide
Authors: Zhao Ping , Ye Zhichao , Karlsson Magnus , Torres-Company Victor , Andrekson Peter A.
Published: October 2021

We demonstrate continuous-wave phase-sensitive optical parametric amplification with 9.5 dB gain and a 1.2 dB noise figure, well below the conventional 3 dB quantum limit, using a single compact and dispersion-engineered integrated nonlinear Si3N4 waveguide.
Real-time Transoceanic Coupled 4-core Fiber Transmission
Authors: Beppu S. , Kikuta M. , Igarashi K. , Mukai H. , Shigihara M. , Saito Y. , Soma D. , Takahashi H. , Yoshikane N. , Morita I. , Suzuki M. , Tsuritani T.
Published: October 2021

We report the first experimental demonstration of transoceanic distance real-time transmission over coupled multicore fibers. The WDM DP-QPSK signals were transmitted over 7,200-km coupled-core four-core fibers by a recirculating loop and demodulated by real-time MIMO DSP.
Ultra-Long-Haul WDM Transmission in a Reduced Inter-Modal Interference NANF Hollow-Core Fiber
Authors: Nespola Antonino , Sandoghchi Seyed Reza , Hooper Lucy , Alonso Marcelo , Bradley Thomas D , Sakr Hesham , Jasion Gregory T , Fokoua Eric Numkam , Straullu Stefano , Garrisi Francesco , Bosco Gabriella , Carena Andrea , Brusin Ann Margareth Rosa , Chen Yong , Hayes John R , Forghieri Fabrizio , Richardson David J , Poletti Francesco , Poggiolini Pierluigi
Published: October 2021

We report new transmission distance records through hollow-core NANF with reduced inter-modal interference. We recirculated 41xPM-QPSK C-band channels @32GBaud up to 2070km with average GMI 3.64 bits/symb. For select channels we reached beyond 5000km.
Transparent Optical-THz-Optical Link Transmission over 5/115 m at 240/190 Gbit/s Enabled by Plasmonics
Authors: Horst Yannik , Blatter Tobias , Kulmer Laurenz , Bitachon Bertold Ian , Baeuerle Benedikt , Destraz Marcel , Heni Wolfgang , Koepfli Stefan , Habegger Patrick , Eppenberger Marco , De Leo Eva , Hoessbacher Claudia , Elder Delwin L. , Hammond Scott , Johnson Lewis , Fedoryshyn Yuriy , Salamin Yannick , Burla Maurizio , Leuthold Juerg
Published: October 2021

The first transparent Optical-THz-Optical link providing record-high line-rates up to 240 and 190 Gbit/s over distances from 5 to 115m is demonstrated. The link is based on direct data-conversion from optical to sub-THz and vice-versa.
Use of Commercially Available Fiber Optic Components in Emerging Space Laser Communications Applications: Optimizing Performance, Cost, and Reliability
Authors: Spellmeyer Neal W.
Published: October 2021

This paper summarizes recent work in developing space laser communications hardware at MIT Lincoln Laboratory, describing how state-of-the-art fiber optic components provide performance and reliability in emerging lasercom system designs.
Large-scale Silicon Photonics Focal Plane Switch Array for Optical Beam Steering
Authors: Zhang Xiaosheng , Kwon Kyungmok , Henriksson Johannes , Luo Jianheng , Wu Ming C.
Published: October 2021

We report on 128×128-element two-dimensional silicon photonics focal plane switch arrays with microelectromechanical-system optical switches for random-access optical beam steering. A 70°×70° field-of-view and sub-MHz steering speed are experimentally demonstrated.
Low Bending Loss Single-mode Hollow-core Anti-resonant Fiber with Multi-size Tubes
Authors: GU SHUAI , WANG XIN , YAN SHIBO , JIA HAOQIANG , LOU SHUQIN , WANG PU
Published: October 2021

An anti-resonant hollow-core fiber with multi-size tubes is successfully fabricated. The fiber is proved to be robustly single-mode operation with a low bending loss of 0.37dB/m (@1.65μm) under a tight bending radius of 3.5cm.
Hollow-core fiber Characterization with Correlation-Optical Time Domain Reflectometry
Authors: Azendorf Florian , Schmauss Bernhard , Shi Bo , Fokoua Eric Numkam , Slavík Radan , Eiselt Michael
Published: October 2021

Using a Correlation-OTDR, we characterized the temperature-induced group delay variations of two nested antiresonant nodeless hollow core fibers. The temperature sensitivity of both is substantially less than for SSMF with some dependency on coating type.
Adaptive Pattern-Dependent Equalization for Coherent Optical Fiber Communication Systems
Authors: Cai Yi , Chien Hungchang , Xiang Meng , Hu Zihe , Gao Mingyi
Published: October 2021

We propose a pattern-dependent equalization scheme facilitating sequence detection in systems with pattern-dependent impairment(s). We experimentally demonstrate effective detection of a 60-GBd QPSK signal with a constrained transmitter bandwidth down to 7.5 GHz.
Evaluation of an Autonomous Digital Pre-distortion Scheme for Optical Multiband Systems
Authors: Sena Matheus , Emmerich Robert , Shariati Behnam , Fischer Johannes K. , Freund Ronald
Published: October 2021

We demonstrate a DSP scheme that autonomously adapts the design of Volterra and memory polynomial digital pre-distortion filters in S+C+L-band transmission. We validate it with a DP-32QAM signal at 64 GBd over 40-km of SSMF.
Quantum RNG Integration in an NG-PON2 Transceiver
Authors: Vokić Nemanja , Milovančev Dinka , Pacher Christoph , Achleitner Martin , Hübel Hannes , Schrenk Bernhard
Published: October 2021

We propose a minimally invasive optical overlay for time-interleaved QRNG operation in NG-PON2 transceivers. We experimentally demonstrate that random numbers can be generated at a 0.5 Gb/s rate and validate the randomness through statistical tests.
Experimental Analysis of Fourier Transform based Blind Frequency Offset Estimation for PS-QAM in W-band Fiber-Millimeter Wave Integrated System
Authors: Yao Shuang , Hsu Chin-Wei , Zhang Rui , Shen Shuyi , Zhou Qi , Su Shang-Jen , Alfadhli Yahya , Barry John R. , Chang Gee-Kung
Published: October 2021

Blind FOE for PS-QAM is experimentally analyzed in fiber-mmWave integrated system. QS-FOE can relax the requirements on FFT size, shaping factor and laser linewidth of the FFT-FOE by improving PMNR by more than 10 dB.
Capturing value from latency control in time-slotted optical communications: a techno-economic assessment
Authors: Szczerban Mijail , Bigo Sebastien , Benzaoui Nihel
Published: October 2021

We assess the value of deterministic latency and propose pricing models to monetize this network feature. We show how to achieve a threefold monetary return increase in certain network configurations and time-sensitive application environments.
Optical Microsystem Technologies and Applications
Authors: Keeler Gordon A.
Published: October 2021

Rapid innovation in photonic-electronic integration promises to deliver transformative capabilities beyond the data center. This talk describes DARPA programs advancing optical microsystem technologies for emerging applications including computing, sensing, quantum systems, and precision frequency control.
Demonstration of an SDN-enabled VCSEL-based Photonic System for Spectral/Spatial Connectivity in Disaggregated Optical Metro Networks
Authors: Moreolo M. Svaluto , Martínez R. , Fabrega J. M. , Casellas R. , Vílchez J. , Nadal L. , Vilalta R. , Muñoz R. , Neumeyr C. , Jung H. D. , Shin J. U. , Gatto A. , Parolari P. , Boffi P. , Larrabeiti D. , Fernández-Palacios J. P.
Published: October 2021

This demo showcases an SDN control platform configuring VCSEL-based photonic transceiver and white-box nodes for end-to-end programmability in disaggregated optical metro networks also including the spatial dimension with a polymer switch and 25km 19-core MCF.
Scalable for Cloud-native Transport SDN Controller Using GNPy and Machine Learning techniques for QoT estimation
Authors: Manso Carlos , Vilalta Ricard , Muñoz Raul , Casellas Ramon , Martínez Ricardo
Published: October 2021

This demo shows a cloud-native SDN controller that can estimate end-to-end QoT using both analytical (GNPy) and machine learning algorithms on WDM systems. This transport SDN controller is able to scale horizontally using custom metrics.
GNPy & YANG: Open APIs for End-to-End Service Provisioning in Optical Networks
Authors: Kundrát Jan , Le Rouzic Esther , Mårtensson Jonas , Campanella Andrea , Havliš Ondřej , D’Amico Andrea , Grammel Gert , Galimberti Gabriele , Curri Vittorio , Vojtěch Josef
Published: October 2021

We demonstrate end-to-end service provisioning in a fully disaggregated optical network using open software interfaces. The GNPy quality-of-transmission estimator is extended with a YANG-based API. The YANG modeling work builds on the IETF standard schemas, and describes multiple layers of the network at once.
Li-poster: Real-time Non-line-of-sight Optical Camera Communication for Hand-held Smartphone Applications
Authors: Liu Liqiong , Chen Lian-Kuan
Published: October 2021

We demonstrate a real-time flicker-free optical camera communication system that allows retrieval of descriptions from the complex optical signals reflected by an exhibition poster or artwork using a hand-held smartphone.
Future Optical Networks in a 10 Year Time Frame
Authors: Lord Andrew , White Catherine , Iqbal Asif
Published: October 2021

We describe the evolution of the network over a time-scale of 10 years.
We cover the merger of photonics and electronics, optical switching,
reliance on data-center technologies and architectural evolution.
Demonstration of ML-aided Impairment-aware L0 Path Computation in Fully Disaggregated Multi-vendor Optical Transport Networks
Authors: Quang Huy Tran , Pham-Van Quan , Verchere Dominique , Thieu Huu-Trung , Zeghlache Djamal
Published: October 2021

We demonstrate an online impairment-aware L0 path computation capability leveraging a machine learning model to recommend the most appropriate path and optical parameters combination for a connectivity service request in the fully disaggregated multi-vendor optical transport network.
Experimental Demonstration of Scalable and Low Latency Crowd Management Enabled by 5G and AI in an Accelerated Edge Cloud
Authors: Borromeo J. C. , Kondepu K. , Fichera S. , Castoldi P. , Valcarenghi L.
Published: October 2021

This demo shows how crowd management can benefit from 5G connectivity and accelerated edge cloud AI-based computation to achieve low latency and scalability with respect to a mobile device-based physical distancing computation.
System Optimization of High-efficiency 400 Gb/s PAM4 Silicon Photonics Transmitter for Data Center Applications
Authors: Amiralizadeh Siamak , Lin Wenhua , Patel David , Malinge Yann , Burmeister Stefan , Al-hemyari Kadhair , Yu Haijiang , Park Jung , Malouin Christian , Li Kejia , Wen Pengyue , Zheng Xueyan , Gupta Sanjeev , Narayan Raghuram , Liu Ansheng , Zhu Daniel , Xie Boping , Akulova Yuliya , Priyadarshi Sunil , Wang Charlie , Hong Jin
Published: October 2021

We demonstrate a high-efficiency PAM4 silicon photonics transmitter optimized through end-to-end system modeling for applications up to 10km on four-channel CWDM4 grid. Our measurements show a close agreement with simulations meeting 400G-FR4 requirements with 1.7Vppd.
Thin-Coated Fibers for High-Density Optical Interconnects
Authors: Niu Weijun , Drake Matthew , Knowlton Brett R , Zhang Yali , Wallace Arthur L , Stone Jeffery S , Gu Yunfeng , Hart Shandon D , de Pedro Hector M , Zakharian Aramais R. , Li Ming-Jun
Published: October 2021

Thin coated single-mode fibers with coating diameters from 125 to 175 μm are fabricated and characterized. The fibers show excellent coating concentricity and attenuation similar to 250 μm coated fiber on shipping reels.
1,728-Fiber Cable with 12-Fiber Ribbons Comprising 160-μm Coating Fiber with 80-μm Cladding
Authors: Matsuo S. , Yamashiro K. , Hoshi K. , Tsujimoto Y. , Miyata M. , Asada H. , Nakajima T. , Osato K.
Published: October 2021

The availability of a 160-μm fiber with 80-μm cladding is demonstrated through the performance of a 1,728-fiber cable with 12-fiber ribbons, fusion-splicing loss of ribbonized fiber, and loss of MPO connection to a 125-μm-cladding fiber.
Autonomous Physical Layer Characterization in Cognitive Optical Line Systems
Authors: Borraccini Giacomo , Straullu Stefano , D’Amico Andrea , Nespola Antonino , Piciaccia Stefano , Tanzi Alberto , Galimberti Gabriele , Curri Vittorio
Published: October 2021

We develop a procedure to autonomously characterize the optical line system physical layer, span-by-span, using in-line OTDRs and OCMs. This procedure has been experimentally validated, showing a clear correlation between the experimental outcomes and emulations.
Lightning-Induced State of Polarization Change in OPGW Using a Transmission Line Model
Authors: Snider W. C. , Moore R. C. , Erdman A. J. , Doucet D. , Charlton D.
Published: October 2021

A transmission line model is employed to study the effects of direct lightning strikes on the state of polarization of optical signals within an optical ground wire.
FIFO-less Core-pump Combiner for Multicore Fiber Amplifier
Authors: Wakayama Yuta , Yoshikane Noboru , Tsuritani Takehiro
Published: October 2021

We demonstrate a core-pumping scheme for multicore EDFA with cascaded side-polished fiber couplers for the first time. The pump coupling ratio exceeds 70% while keeping signal coupling less than 10%.
4.36 Tbit/s Silicon Chip-to-Chip Transmission via Few-Mode Fiber (FMF) using 2D Sub-wavelength Grating Couplers
Authors: Kuo Pin-Cheng , Tong Yeyu , Chow Chi-Wai , Tsai Jui-Feng , Liu Yang , Chang You-Chia , Yeh Chien- Hung , Tsang Hon Ki
Published: October 2021

We demonstrate a high-speed silicon chip-to-chip few-mode-fiber (FMF) transmission via 2D sub-wavelength grating-couplers. The design and characterization of the proposed silicon device are discussed. A total FMF transmission capacity of 4.36 Tbit/s is achieved.
Scaling Regional Optical Transport Networks with Pluggable and Integrated High-Capacity Line Interfaces
Authors: Pedro João , Costa Nelson , Sanders Steve
Published: October 2021

This paper provides insight on the role of next-generation coherent interfaces and use of an extended C-band to cost-effectively scale regional transport networks.
Comparing IP-Optical Architectures & WDM Transport Technologies in Metro, Regional and Long-Haul Networks
Authors: Melle Serge , Zami Thierry , Bertran-Pardo Oriol , Lavigne Bruno
Published: October 2021

Different IP-Optical architectures, technologies and performance metrics are presented for metro, regional and long-haul networks, comparing single-hop and optimized bypass router topologies, using 400G pluggable transceivers and higher-baud rate transponder coherent optics.
QoT-E Driven Optimized Amplifier Control in Disaggregated Optical Networks
Authors: Borraccini Giacomo , Straullu Stefano , D’Amico Andrea , Virgillito Emanuele , Kumar Lalit , Piciaccia Stefano , Bottacchi Stefano , Swail Scott , Galimberti Gabriele , Curri Vittorio
Published: October 2021

We propose a vendor-agnostic framework exploiting QoT estimation to control EDFA settings targeting maximum GSNR average and flatness. We demonstrated its effectiveness by an experimental proof of concept exploiting open HW and SW by TIP.
>55-Gbps and 30-dB Loss Budget LR-OFDM PON Downstream Enabled by ANN-based Predistortion
Authors: Nguyen Hong-Minh , Huang Szu-Chi , Wei Chia-Chien , Chuang Chun-Yen , Chen Jyehong
Published: October 2021

We proposed the ANN-based predistortion to mitigate nonlinear distortion in a 25- to 70-km IM/DD OFDM PON. Using 18-dBm launch power, the >55-Gbps downstream with 30-dB loss budget was demonstrated without nonlinear compensation at ONUs.
Performance Improvements in Bandwidth-Limited and Digitally-Equalized 50G-PON Downstream Transmission via Block-Interleaving over Four LDPC Codewords
Authors: Liu Xiang , Shen Andy , Cheng Ning , Luo Yuanqiu , Effenberger Frank
Published: October 2021

We experimentally quantify the performance improvements in bandwidth-limited 50G-PON downstream transmission with receiver-side equalization based on FFE, DFE and MLSE, by bit-interleaving of every four adjacent LDPC codewords, achieving 32-dB power budget with additional margins.
Techniques for Subsea Transmission Systems
Authors: Salsi Massimiliano
Published: October 2021

We review the most significant innovations happening in the submarine cable systems domain. The review includes wet-plant and transponder technologies, ranging from optical fiber switching in the branching units to advanced signal processing for earthquake detection.
Digital Compensation of Residual Pump Dithering in Optical Phase Conjugation of High-Order QAM
Authors: Nguyen T. T. , Boscolo S. , Ali A. A. I. , Tan M. , Sygletos S. , Takasaka S. , Sugizaki R. , Ellis A. D.
Published: October 2021

We develop a new two-stage digital scheme to suppress the phase distortion due to residual pump dithering in the dual-pump fibre-based optical phase conjugation of high-order (64/256) QAM signals. We show more than 5-dB SNR improvement relative to conventional phase-noise compensation at high pump-phase mismatch levels.
Demonstration of 8-Channel 32-Gbit/s QPSK Wireless Communications at 0.28-0.33 THz Using 2 Frequency, 2 Polarization, and 2 Mode Multiplexing
Authors: Su Xinzhou , Zhou Huibin , Zou Kaiheng , Minoofar Amir , Song Hao , Zhang Runzhou , Pang Kai , Song Haoqian , Hu Nanzhe , Zhao Zhe , Almaiman Ahmed , Zach Shlomo , Tur Moshe , Molisch Andreas F. , Sasaki Hirofumi , Lee Doohwan , Willner Alan E.
Published: October 2021

We experimentally demonstrate a 32-Gbit/s QPSK THz wireless communication link using 2 frequencies, 2 polarizations and 2 OAM modes at ~0.3 THz. By tuning the frequency of the data-carrying lasers and the interfering CW laser, the system can cover the 0.28-0.33 THz band.
Fronthaul Optical Links Implemented by Using Sub-Nyquist Sampling Rate ADC for B5G/6G Sub-THz Ma-MIMO Beamforming
Authors: Ting Pin-Hsuan , Yu Shao-Hung , Huang Zheng-Wei , Wei Chia-Chien , Chi Sien , Lin Chun-Ting
Published: October 2021

We propose fronthaul link with 7-GHz IM-DD channels and 1/64 Nyquist-sampling-rate ADC to support 64 signals for 100-GHz Ma-MIMO beamforming. The corresponding CPRI-based capacity is 393.6374Gb/s. After fiber and wireless transmission, the EVMs are <8%.
Hybrid III-V laser integration on a monolithic silicon photonic platform
Authors: Bian Yusheng , Ramachandran Koushik , Peng Bo , Hedrick Brittany , Mills Scott , Donegan Keith , Rundquist Armand , Vail Ed , Karra Vaishnavi , Yasar Firat , Esopi Monica , Fasano Benjamin , Sahin Asli , Houghton Thomas , Nummy Karen , Ding Hanyi , Hirokawa Takako , Dezfulian Kevin , Wu Zhuojie , Fisher Daniel , Pape Jim , Steffes Jay , Medina Louis , Roy Subharup Gupta , Cox Harry , Green Bart , Lubguban Jorge , Lee Won Suk , Aboketaf Abdelsalam , Rakowski Michal , McLean Kate , Sowinski Zoey , Kwon Oh-Jung , Robert Gabrielle , Sorbara Massimo , Krishnamurthy Subramanian , Stricker Andy , Cho Jae Kyu , Melville Ian , Riggs Dave , Augur Rod , Robson Norman , Berger Daniel , Lee Luke , Gupta Vikas , Yu Anthony , Giewont Ken , Letavic Ted , Pellerin John
Published: October 2021

We report a hybrid flip-chip-integrated laser attach technology on a monolithic SiPh platform. Efficient laser-to-PIC butt-coupling with optical power up to 11dBm was demonstrated through a combination of precise mechanical stops and optical alignment features.
Parametric frequency comb generation using silicon core fiber
Authors: Sohanpal Ronit , Ren Haonan , Shen Li , Deakin Callum , Heidt Alexander M. , Hawkins Thomas W. , Ballato John , Gibson Ursula J. , Peacock Anna C. , Liu Zhixin
Published: October 2021

We demonstrate all-fiber frequency comb generation using a 10-mm-length silicon core fiber as the parametric mixer. We achieved 8 dB spectral flatness over 20 nm bandwidth, generating 90 lines at 26 GHz line spacing.
Modeling of Nonlinear Interference Power for Dual-Polarization 4D Formats
Authors: Liga Gabriele , Chen Bin , Barreiro Astrid , Alvarado Alex
Published: October 2021

We assess the accuracy of a recently introduced nonlinear interference model for general dual-polarization 4D formats. Unlike previous models for polarization-multiplexed 2D formats, an average gap from split-step Fourier simulations within 0.1 dB is demonstrated.
Impact of crosstalk on 800 Gb/s 90 GBaud 64QAM channel
Authors: Zami Thierry , Benyahya Kaoutar , Arnould Aymeric , Mardoyan Haïk , Renaudier Jérémie , Lavigne Bruno
Published: October 2021

We experimentally investigate and model how optical in-band crosstalk impairs 200 Gb/s QPSK, 300 Gb/s PCS-16QAM as well as 400 Gb/s 16QAM 68 GBaud WDM carriers, and eventually 90 GBaud 800 Gb/s 64QAM channels.
Highly Accurate Measurement-Based Gain Model for Constant-Pump EDFA for non-Flat WDM Inputs
Authors: Meseguer Alexis Carbo , Antona Jean-Christophe , Bononi Alberto , Cho Junho , Grubb Stephen , Pecci Pascal , Courtois Olivier , Letellier Vincent
Published: October 2021

We develop a simple and accurate measurement-based model to predict the gain of wideband erbium-doped fiber amplifiers with a root mean square error of 0.05 dB, lower than state-of-the-art models based on machine learning techniques.
Hardware-efficient Nonlinear Equalizer based on Joint Unsupervised Learning and Supervised Weights
Authors: Yang Zheng , Fu Songnian , Tang Ming , Wang Yuncai , Qin Yuwen
Published: October 2021

We propose a hardware-efficient Volterra filter equalizer (VFE) based on the weighted principal component analysis (WPCA). 60% taps of traditional VFE are saved without receiver sensitivity penalty for 56-Gb/s PAM-4 transmission over 100-km SSMF.
Interoperable Coherent Optics for Extended Reach - Assisting Data Center Evolution
Authors: Srivastava Atul
Published: October 2021

An overview of coherent 400ZR and OpenZR+ modules and interoperability test results are presented. Role of Coherent in future 800G and higher rate modules is discussed.
Cost-effective and Hardware-efficient Coherent Scheme for 400G Short-reach Transmission
Authors: Zhang Tingting , Xiang Qian , Zhang Sen , Liu Lei , Zuo Tianjian
Published: October 2021

We propose and experimentally demonstrate a 400G coherent-lite scheme for 2-km transmission with a DFB laser. Carrier-recovery-free D8QAM achieves comparable performance as 16QAM and the proposed AEQ has 40% lower complexity than conventional MIMO.
Hardware Comparison of Feed-Forward Clock Recovery Algorithms for Optical Communications
Authors: Matalla Patrick , Mahmud Md Salek , Füllner Christoph , Koos Christian , Freude Wolfgang , Randel Sebastian
Published: October 2021

Two feed-forward (FF), non-data aided (NDA) digital clock recovery methods in time and frequency domain are discussed and experimentally evaluated with respect to their real-time performance and digital hardware utilization.
Demonstration of a RF-Source-Free Microwave Photonic Radar Based on an Optically Injected Semiconductor Laser
Authors: Zhou Pei , Zhang Renheng , Jiang Zhidong , Li Nianqiang , Pan Shilong
Published: October 2021

A novel RF-source-free microwave photonic radar has been proposed and experimentally demonstrated based on an optically injected semiconductor laser. Real-time high-resolution target detection is achieved without the requirement of any external RF sources.
Channel Matching: An Adaptive Technique to Increase the Accuracy of Soft Decisions
Authors: Borujeny Reza Rafie , Kschischang Frank R.
Published: October 2021

Nonlinear interference is modeled by a time-varying conditionally Gaussian channel. It is shown that approximating this channel with a time-invariant channel imposes considerable loss in the performance of channel decoding. An adaptive method to maintain decoding performance is described.
Simultaneous Reception of ASK-based AMCC Signals and QPSK Signals with Single Coherent Receiver
Authors: Igarashi Ryo , Koma Ryo , Hara Kazutaka , Honda Kazuaki , Kani Jun-ichi , Yoshida Tomoaki
Published: October 2021

An AMCC signal extraction method for a single coherent receiver is proposed. Experiments demonstrate the successful decoding of a 25 Gbps QPSK-signal and 128 kbps AMCC-signal with the penalty of less than 0.1 dB.
Optimizing Coherent Integrated Photonic Neural Networks under Random Uncertainties
Authors: Banerjee Sanmitra , Nikdast Mahdi , Chakrabarty Krishnendu
Published: October 2021

We propose an optimization method to improve power efficiency and robustness in silicon-photonic-based coherent integrated photonic neural networks. Our method reduces the network power consumption by 15.3% and the accuracy loss under uncertainties by 16.1%.
Sub-wavelength Gratings Assisted Ridge Waveguide Surface Couplers on Lithium Niobate Thin Film
Authors: Yang Sipan , Li Yaqian , Xu Jinbin , Wu Liying , Quan Xueling , Cheng Xiulan
Published: October 2021

A thin-film lithium niobate ridge-waveguide grating coupler integrated with waveguide subwavelength gratings is experimentally demonstrated. An ultra-high coupling efficiency of -5.1 dB/coupler for TE polarization and over 90 nm 3-dB optical bandwidth are achieved.
Generalization Properties of Machine Learning-based Raman Models
Authors: de Moura U. C. , Zibar D. , Rosa Brusin A. M. , Carena A. , Da Ros F.
Published: October 2021

We investigate the generalization capabilities of neural network–based Ra-man amplifier models. The new proposed model architecture, including fiber parameters as inputs, can predict Raman gains of fiber types unseen during training, unlike previous fiber–specific models.
MDM Transmission of 3-D CAP over 4.1-km Ring-Core Fiber in Passive Optical Networks
Authors: Yang Min , Wang Lulu , Wang Hongya , Shen Lei , Zhang Lei , Luo Jie , Wang Jian
Published: October 2021

We experimentally demonstrate mode-division multiplexing (MDM) passive optical network (PON) based on three-dimensional (3-D) carrier-less amplitude/phase modulation (CAP) architecture, using two orbital angular momentum (OAM) modes for six users in the downstream transmission.
Mach-Zehnder Interferometer based Endlessly Adaptive Polarization Controller on Silicon-Photonic Platform
Authors: Wang Xuefeng , Zeng Yifan , Liao Ruolin , Zhao Can , Wu Hao , Tang Ming
Published: October 2021

We experimentally demonstrated an endlessly adaptive polarization controller based on a Mach-Zehnder Interferometer on the Silicon photonic integrated circuit. A polarization tracking speed up to hundreds of rad/s was achieved for the self-coherent communication system.
Demonstration of Channel-Predictable Free Space Optical Communication System Using Machine Learning
Authors: Song Song , Liu Yejun , Xu Tianming , Liao Shasha , Guo Lei
Published: October 2021

This paper aims to uncover the predictability of Free Space Optical (FSO) channel. A channel-predictable MISO FSO communication system using machine learning is proposed and experimentally demonstrated through a simulated channel from real-world meteorological dataset.
RF phase controlled true time delay
Authors: Xie Xiangzhi , Li Jilong , Yin Feifei , Xu Kun , Dai Yitang
Published: October 2021

The proposed true time delay (TTD) can be continuously tuned by changing the phase of sinusoidal. Adjustable delay range of 11ns for RF pulse with bandwidth of 1.32GHz is experimentally demonstrated.
Mitigation of Wave-induced Packet Loss for Water-air Optical Wireless Communication by A Tracking System
Authors: Di Yujie , Shao Yingjie , Chen Lian-Kuan
Published: October 2021

We experimentally demonstrated a reliable water-air optical wireless link with a fast-tracking system to combat the wave-induced beam deflection. A maximum packet loss rate reduction from 6.04% to 0.63% is achieved for a 50-Mbps signal.
2-bit Delta-sigma Modulated 32-QAM OFDM based Dual-wavelength Digital RoF Link
Authors: Weng Zu-Kai , Kanno Atsushi , Kawanishi Tetsuya
Published: October 2021

A dual-wavelength digital RoF link was experimentally demonstrated by OSR-reduced 2-bit delta-sigma modulated 32-QAM OFDM. The optically generated data was transmitted over 25-km SMF at receiving power of -9.9 dBm.
Wavelength Resources Management and Switching of Active Entanglement Distribution Circuits in Optical Networks
Authors: Alia O. , Tessinari R. S. , Hugues-Salas E. , Kanellos G. T. , Nejabati R. , Simeonidou D.
Published: October 2021

We provide a formal definition of the entangled wavelength-pairs allocation problem using PDDL paired with a Fast-Forward planner and switching algorithm to optimize the resources of entanglement distribution circuits in optical networks.
High-speed transmissions with direct-modulation room-temperature semiconductor lasers emitting in the transparency window around 4 µm
Authors: Spitz O. , Durupt L. , Didier P. , Díaz-Thomas D. A. , Cerutti L. , Baranov A. N. , Carras M. , Grillot F.
Published: October 2021

We experimentally realize a free-space transmission over one meter with room-temperature quantum cascade lasers and interband cascade lasers. With direct electrical modulation and raw analysis, the data-rate of the real-time transmission outperforms similar reported schemes.
3.2T/6.4T CWDM ROSA for Co-Packaged Optic Transceiver
Authors: Zhang Li , Sun Yao , Qin Xiaoqiong , Guan Liangpeng , Zhu Caixia , Peng Yinhe , Wei Jianhu , Lv Shuchao , Sun Yunyan , Shang Jinlong , Xu Jieming , Chen Xiongwen , Si Wei , Zeng Shanshan
Published: October 2021

A compact 64-channel (16x CWDM4) ROSA is demonstrated. The ROSA core with InP PD array vertically aligned to PLC chip provides a new solution to 3.2T/6.4T co-packaged optic transceivers. The performance is verified to be comparable to pluggable transceivers.
Self-Similar Ultra-High Q Si3N4 Integrated Resonators for Brillouin Laser Linewidth Narrowing and Stabilization
Authors: Liu Kaikai , Brodnik Grant M. , Harrington Mark W. , Isichenko Andrei , Zhao Qiancheng , Dallyn John , Behunin Ryan O. , Morton Paul , Papp Scott , Blumenthal Daniel J.
Published: October 2021

We report an ultra-high Q Si3N4 waveguide resonator Brillouin laser stabilized to an identical waveguide resonator to achieve a linewidth of 292 Hz and a record high stability of 6.5 × 10–13 at 8 ms.
Silicon Nitride Bus-Coupled Spiral-Ring Resonator for Dual-Mode Locking Temperature Stabilization
Authors: Zhao Qiancheng , Harrington Mark W. , Isichenko Andrei , Bose Debapam , Wang Jiawei , Liu Kaikai , Behunin Ryan O. , Rakich Peter T. , Hoyt Chad W. , Fertig Chad , Blumenthal Daniel J.
Published: October 2021

A Si3N4 bus-coupled spiral-ring dual-mode resonator reference cavity, with high extinction ratios for both TE and TM modes, is demonstrated for temperature stabilization. The temperature is stabilized within ± 60 µK variation over 16 hours.
External Modulator-Based Automatic Tuning of Reconfigurable Silicon Photonic 4th-Order APF-based Pole/Zero Filters
Authors: Rady Ramy , Choo Gihoon , Madsen Christi , Palermo Samuel , Entesari Kamran
Published: October 2021

This paper presents an automatic monitor-based tuning of an APF-based pole/zero optical filter using an external modulator. The proposed algorithm uses a modulator to tune the filter center frequency instead of a tunable laser.
Techno-Economic Analysis of Multicore Fibers in Submarine Systems
Authors: Downie John D. , Liang Xiaojun , Makovejs Sergejs
Published: October 2021

We model the application of multicore optical fibers for submarine systems using an approach to estimate relative cost/bit. While multicore fibers may offer higher capacity, achieving lower cost/bit than single core fiber systems remains challenging.
Generalized carrier assisted differential detection with simplified receiver structure
Authors: Ji Honglin , Sun Chuanbowen , Unnithan Ranjith Rajasekharan , Shieh William
Published: October 2021

We propose the generalized carrier assisted differential detection schemes with reduced hardware complexity, which requires the same number of photodiodes and ADCs as the coherent homodyne counterpart but without the narrow-linewidth local oscillators. The performance of the simplified receiver is evaluated by 60-Gbaud 16-QAM OFDM signals.
Clock-Synchronized Clock and Data Recovery to Enable Sub-Nanosecond Optically-Switched Networks
Authors: Liu Zhixin , Clark Kari A.
Published: October 2021

We review the clock-synchronized approach to clock and data recovery, which enables sub-nanosecond switching time in optically switched networks, and explore the impact of factors such as temperature and jitter on performance and scalability.
Clock Synchronized Transmission of 51.2 GBd Optical Packets for Optically Switched Data Center Interconnects
Authors: Zhou Zichuan , Clark Kari , Deakin Callum , Laccotripes Petros , Liu Zhixin
Published: October 2021

We demonstrate clock-synchronized transmission of 128-byte optical packets at 51.2GBd. We study the impact of reference clock phase noise on the clock phase misalignment and system scalability for high baud rate DC interconnects.
Add-Drop Lossless Switch Node in Multi-Hop Multi-Tb/s Metropolitan Area Networks
Authors: Rapisarda Mariangela , Gatto Alberto , Parolari Paola , Tessema Netsanet , Calabretta Nicola , Neumeyr Christian , Boffi Pierpaolo
Published: October 2021

The effect of SOA-based MAN node crossing on DMT high-capacity transmission is experimentally evaluated. A capacity of more than 50 Gb/s per channel is demonstrated for a multi-hop multi-channel transmission up to 116 km SSMF.
Experimental Coexistence Investigation of Distributed Acoustic Sensing and Coherent Communication Systems
Authors: Jia Zhensheng , Campos L. Alberto , Xu Mu , Zhang Haipeng , Gonzalez-Herraez Miguel , Martins Hugo F. , Zhan Zhongwen
Published: October 2021

We demonstrate the co- and counter-propagation coexistence of distributed acoustic sensing and 100G/200G coherent data communication over a single fiber, proving ubiquitous and practical sensing through pervasive telecom fiber infrastructure.
Quantum Key Secured Communications Field Trial for Industry 4.0
Authors: Woodward R. I. , Dynes J. F. , Wright P. , White C. , Parker R. C. , Wonfor A. , Yuan Z. L. , Lord A. , Shields A. J.
Published: October 2021

We seamlessly integrate quantum key distribution with >1Mb/s secure bit rate into a smart-manufacturing production network. This provides a 10Gb/s quantum key encrypted link with long-term stable operation, compatible with national network infrastructure.
Black-Box Assessment of Optical Spectrum Services
Authors: Kaeval Kaida , Elbers Jörg-Peter , Grobe Klaus , Tikas Marko , Fehenberger Tobias , Grieβer Helmut , Jervan Gert
Published: October 2021

A spectral sweep process is introduced to discover performance issues in optical spectrum services. We detect filtering penalty, spectral ripple/tilt and channel crosstalk in field measurements, potentially leading to increased service robustness in low-margin networks.
Optical Networks for Memory-driven Computing
Authors: Morris Terry
Published: October 2021

Memory-driven computing, heterogeneous computing, and disaggregated system designs require photonic links having different characteristics than those found in hyperscale networks. Future architectures are discussed, requirements identified, an example system is examined, and conclusions presented.
GAN Based Soft Failure Detection and Identification for Long-haul Coherent Transmission Systems
Authors: Lun Huazhi , Liu Xiaomin , Cai Meng , Wu Yiwen , Fu Mengfan , Yi Lilin , Hu Weisheng , Zhuge Qunbi
Published: October 2021

We propose a GAN based soft failure detection and identification algorithm. For the training, the detection and identification only need normal samples and very few soft failure samples, respectively. 95% accuracy is achieved in experiment.
Leveraging ML-based QoT Tool Parameter Feeding for Accurate WDM Network Performance Prediction
Authors: Morette Nathalie , de Jauregui Ruiz Ivan Fernandez , Pointurier Yvan
Published: October 2021

A novel technique to refine optical fiber network parameters for accurate performance estimation is presented. The technique exploits Raman and Kerr effects to improve new services’ SNR estimation accuracy by 2dB based on experimental data.
High Temperature Performance of Heterogeneous MOSCAP Microring Modulators
Authors: Srinivasan Sudharsanan , Liang Di , Beausoleil Raymond G
Published: October 2021

We present results from our heterogeneous MOSCAP microring modulators, which show no degradation in performance from 20 to 80°C, and are suitable for integration on uncooled transceivers operating in a harsh environment.
Direct-Detection Based Frequency-Resolved I/Q Imbalance Calibration for Coherent Optical Transmitters
Authors: Chen Xi , Che Di
Published: October 2021

We propose a method for calibrating the frequency dependent I/Q imbalance in coherent optical transmitters. We demonstrate that with our calibration, the OSNR penalty of a 58-GBaud 256-QAM signal can be reduced by 2.5 dB.
Underwater and Water-air Optical Wireless Communication
Authors: Chen Lian-Kuan , Shao Yingjie , Di Yujie
Published: October 2021

This paper summarizes the recent trend and progress of underwater and water-air optical wireless communications. Channel characterization, communication system performance, and effective mitigation methods under the influence of bubble and wave are discussed.
115-Gbps/λ Fiber/FSO Transmission with Supervised and Semi-supervised Nonlinearity Correction Using Lasso
Authors: Zhang Rui , Tang Xizi , Hsu Chin-Wei , Chen You-Wei , Zhou Qi , Shen Shuyi , Yao Shuang , Alfadhli Yahya , Su Shang-Jen , Chang Gee-Kung
Published: October 2021

We leverage supervised/semi-supervised methods and Lasso to perform nonlinearity compensations in a fiber/FSO system. A proof-of-concept experiment has demonstrated up to 3.1-dB power-margin improvement and significantly reduced pilot symbol ratio.
LDPC Coded PAM-4/8 Transmission in Fiber-FSO Link Using Unipolar Probability Distribution and Pre-distortion
Authors: Zhang Rui , Hsu Chin-Wei , Tang Xizi , Zhou Qi , Chang Gee-Kung
Published: October 2021

We experimentally demonstrated LDPC coded PAM transmission with unipolar distribution and pre-distortion in a fiber-FSO hybrid link with the parity bits inserted in the LSB. Different schemes are experimentally compared with up to 2.1-dB sensitivity improvement.
Accelerating Parallel Sort on Tightly-Coupled FPGAs enabled by Onboard Si-Photonics Transceivers
Authors: Mizutani Kenji , Yamaguchi Hiroshi , Urino Yutaka , Koibuchi Michihiro
Published: October 2021

We illustrate a case for a tightly-coupled lightweight fully-connected inter-FPGA optical network with Si-photonics transceivers. Counting sort of in-memory column-oriented data using eight custom FPGA cards can be 5.3 times faster than that with eight CPU-servers.
Enabling Technologies for Comprehensive Optical Mobile Fronthaul Access Network
Authors: Hu Weisheng , Zhu Yixiao , Li Longsheng , Zhang Kuo , Xin Haiyun , Fu Yan , Miao Xin
Published: October 2021

In this paper, we review the recent progress of our works on a comprehensive optical mobile fronthaul access network for 5G Era and beyond. Enabling technologies including A-RoF, CPRI, eCPRI and hybrid A/D-RoF are introduced.
Simplified Digital Coherent Technologies for Beyond 100G Optical Access Systems in the B5G/6G era
Authors: Suzuki Naoki , Miura Hiroshi , Mochizuki Keita , Matsuda Keisuke
Published: October 2021

We review the latest progress in simplified digital coherent technologies suitable for beyond 100G optical access systems, which will be a key optical platform for meeting the very wide range of extreme requirements of beyond 5G/6G users.
Edge-based 5G Network Architectures in support of Zero Downtime Mobility for Enterprise Applications
Authors: Warren Dan , Vasilakos Xenofon , Featherstone Walter
Published: October 2021

Ultra-Reliable Low Latency 5G applications require Edge implementation deep in access networks, resulting in the need for inter-Edge Server application mobility. This paper identifies implementation methodology for zero-downtime Edge application mobility.
MEC and Fixed Access Networks Synergies
Authors: Simon Gaël , Chanclou Philippe , Wang Minqi , Neto Luiz Anet , El Ankouri Anas , Saliou Fabienne , Potet Jérémy
Published: October 2021

Both multi-access edge computing and fixed access networks are experiencing tremendous evolutions. We propose here to discuss their synergies, focusing on the needs for industry.
High Speed VCSEL: Technology and Applications
Authors: Ledenstov N. N. , Shchukin V. A. , Kalosha V. P. , Ledentsov N. N. , Chorchos Ł. , Makarov O. , Sanayeh M. Bou , Turkiewicz J. P.
Published: October 2021

Introduction: vertical-cavity surface-emitting lasers VCSEL design Impact of current- and free-carrier-induced- heating on VCSEL cavity modes. “Junction temperature”. Epitaxial growth of VCSELs wafers: requirements to epifoundries and impact on lasing VCSEL reliability requirements VCSELs for high-speed data transmission. Single mode VCSELs. Achievements and challenges VCSEL arrays for sensing, optical wireless, single- and multicore optical fiber communications Next generation of VCSELs
High-performance Silicon Quadplexer for Passive Optical Networks
Authors: Liu Dajian , Zhang Long , Jiang Hexin , Dai Daoxin
Published: October 2021

We realized the first silicon quadplexer with low excess losses of ~0.5 dB and the desired bandwidths (i.e., 16/38/19/6 nm) for the wavelength-channels of 1270/1310/1490/1577 nm using multimode-waveguide-grating-based filters.
High-power low-modulating-voltage 1.5 μm-band CWDM Uncooled EMLs for 800 Gb/s (53.125 Gbaud-PAM4) Transceivers
Authors: Okuda Shinya , Yamatoya Takeshi , Yamaguchi Tsutomu , Azuma Yusuke , Tanaka Yoshikazu
Published: October 2021

Uncooled 53 Gbaud-PAM4 operation of 1.5 μm-band CWDM EMLs were demonstrated. A hybrid waveguide structure was designed to enhance output power, bandwidth, and extinction ratio with a low modulating voltage.
Ultra-wide Bandwidth Thin-film LiNbO3 Modulator with Record-Low Half-wave-voltage Length Product
Authors: Liu Xuecheng , Xiong Bing , Sun Changzheng , Hao Zhibiao , Wang Lai , Wang Jian , Han Yanjun , Li Hongtao , Yu Jiadong , Luo Yi
Published: October 2021

Novel electro-optic modulators are fabricated based on LiNbO3-silica hybrid waveguide and capacitively-loaded electrodes. Record-low half-wave-voltage length product of 1.7 V·cm and modulation bandwidth > 67 GHz are demonstrated.
High Gain Bi-Doped Fiber Amplifier Operating in the E-band with a 3-dB Bandwidth of 40nm
Authors: Wang Y. , Thipparapu N. K. , Richardson D. J. , Sahu J. K.
Published: October 2021

We report a double-pass bismuth-doped fiber amplifier operating in the E-band providing 38dB gain with 6dB NF for -23dBm input signal at 1430nm. The amplifier 3-dB bandwidth and temperature-dependent-gain coefficient are 40nm and -0.006dB/℃, respectively.
O+E Band BDFA with Flattop 116 nm Gain Bandwidth Pumped with 250 mW at 1256 nm
Authors: Khegai Aleksandr , Ososkov Yan , Firstov Sergei , Riumkin Konstantin , Alyshev Sergey , Kharakhordin Alexander , Lobanov Alexey , Guryanov Alexey , Melkumov Mikhail
Published: October 2021

We present highly efficient b ismuth-doped fi ber am plifier cov ering almost all O- and E-bands. Using 250 mW single wavelength pumping at 1256 nm and low OH bismuth-doped fiber, we managed to achieve 26dB peak gain with -3dB bandwidth of 116 nm.
Master-slave synchronization of random microcavity lasers
Authors: Zhu Hong Yang , Zhang Jin Chuan , Zhang Wei Li
Published: October 2021

We experimentally demonstrate the interaction and synchronization of random microcavity lasers. In this way, a spectral coding method is proposed, providing a potential technique to generate and share information between disordered nodes.
Manhole locating technique using distributed vibration sensing and machine learning
Authors: Wada Masaki , Maeda Yuu , Shimabara Hiroki , Aihara Takaaki
Published: October 2021

A field trial of manhole locating technique using optical-sensing was conducted to improve the efficiency of facility inspections. Machine-learning was applied for automatic location estimation and a high precision of over 90 % was achieved.
In-Band OSNR Estimation from Transponder Telemetry using Ensemble Learning
Authors: Chen Yingkan , Spinnler Bernhard
Published: October 2021

Ensemble learning using transponder telemetry to minimize the maximum absolute error (MAE) of the OSNR monitoring is studied. Trained model reduces the MAE to 2.08 dB which is 10 dB smaller than commercial DSP estimates.
Spatial Photonic Reservoir Computing based on Non-Linear Phase-to-Amplitude Conversion in Micro-Ring Resonators
Authors: Mesaritakis Charis , Sozos Kostas , Dermanis Dimitris , Bogris Adonis
Published: October 2021

We present a photonic reservoir computing, relying on a non-linear phase-to-amplitude mapping process, able to classify in real-time multi-Gbaud time traces subject to transmission effects. This approach delivers an all-optical, low-power neuromorphic dispersion compensator.
Experimental Demonstration of Programmable 100 Gb/s SDN-Enabled Encryptors/Decryptors for QKD Networks
Authors: Arabul E. , Tessinari R. S. , Alia O. , Hugues-Salas E. , Kanellos G. T. , Nejabati R. , Simeonidou D.
Published: October 2021

We successfully demonstrated on-demand and programmable encryption/decryption using SDN-enabled FPGA-based technology over a QKD network. Data rate over 90 Gb/s with maximum data encryption of 11.25 GB/s for different encryption schemes were achieved.
Gb/s Secure Key Distribution Based on Synchronization of Polarization States
Authors: Zhang Liuming , Hu Weisheng , Yang Xuelin
Published: October 2021

We propose and demonstrate a high-speed physical-layer key distribution in fiber networks using synchronization of polarization states. An error-free and true random key generation rate of 2 Gb/s is achieved over 20 km single-mode fiber.
End-to-End Network Slice Stitching using Blockchain-based Peer-to-Peer Network Slice Managers and Transport SDN Controllers
Authors: Alemany Pol , Vilalta Ricard , Muñoz Raul , Casellas Ramon , Martínez Ricardo
Published: October 2021

This paper presents and experimentally validates a Blockchain-based architecture to manage End-to-End Network Slice Deployment by stitching Network Slice Subnets in edge/cloud computing domains connected through packet/optical transport networks do- mains managed by different operators.