bluuebunny/crossref_metadata_2025 huggingface dataset:
Experimental study on feedback sensitivity in a semiconductor ring laser
Authors: Tian Wenjing , Santos Rui , Williams Kevin , Leijtens Xaveer J.M.
Published: August 2022

We experimentally investigate sensitivity to external optical feedback in a modified semiconductor ring laser with filtered optical feedback. Feedback insensitive, single-mode lasing with SMSR below -40dB over a 76mA range is demonstrated.
Ultra-Low Threshold Single Mode Surface-Grating DFB Lasers for Chip-Scale Atomic Clocks
Authors: Zhang Pengfei , Liu Can , Xiang Minwen , Li Nanguo , Lu Qiaoyin , Donegan John F. , Guo Weihua
Published: August 2022

We present an ultra-low threshold-current single-mode surface-grating DFB laser for chip-scale atomic-clocks. The index-coupled surface-grating yields the coupling-coefficient ~300cm−1. The fabricated laser stable single-mode operation with threshold-current and SMSR of 3mA and 40dB, respectively.
Semicircular Dielectric Gratings for Strongly Polarized and Enhanced Emission from InAs Quantum Dots
Authors: DeCrescent Ryan A , Wang Zixuan , Imany Poolad , Boutelle Robert C , Mirin Richard P , Silverman Kevin L
Published: August 2022

We demonstrate ~100-fold collection enhancements and strongly polarized emission from single InAs quantum dots in anisotropic semicircular dielectric grating optical cavities. In contrast to previous works, our cavities are on bulk substrates (i.e., not suspended).
Control of single-photon emitters in two-dimensional materials using dielectric nanoantennas
Authors: Azzam Shaimaa I. , Parto Kamyar , Moody Galan
Published: August 2022

We show that dielectric nanoantennas are capable of inducing very high Purcell enhancement up to factors > 45 for defect-based single-quantum emitters in atomically thin layered materials, enabling bright single-photon emission with polarization control.
Time-Correlated Photons from a Triply Resonant Photonic Crystal Cavity
Authors: Chopin Alexandre , Marty Gabriel , Combrié Sylvain , Sagnes Isabelle , Raineri Fabrice , De Rossi Alfredo
Published: August 2022

Correlated Photon pair generation via triply resonant spontaneous Four-Wave-Mixing is demonstrated in Photonic Crystal Cavities. Consistently with scaling rules, gen-eration efficiency is larger than in ring resonator made of the same technology.
Intrinsically chiral modes near exceptional points in modified H1 photonic crystal cavity modes
Authors: Fong Chee Fai , Ota Yasutomo , Arakawa Yasuhiko , Iwamoto Satoshi , Kato Yuichiro K.
Published: August 2022

We propose a scheme to generate intrinsically chiral modes via non-Hermitian backscattering caused by the loss-induced imaginary coupling between the two orthogonal linearly polarized dipole modes in the H1 photonic crystal cavity.
Low-latency Optically-switched Data Centre Interconnects enabled by Hollow Core Anti-resonant Fiber
Authors: Zhou Zichuan , Dzieciol Hubert , Clark Kari , Slavik Radan , Sakr Hesham , Harrington Kerrianne , Richardson David , Poletti Francesco , Liu Zhixin
Published: August 2022

We leverage the low thermal sensitivity and low dispersion features of hollow antiresonant fiber to demonstrate a real-time low-latency optically-switched intra-data center interconnect at 51.2 GBd by co-designing fast wavelength switching and optical clock synchronization.
Optical Adaptive LMS Equalizer with an Opto-electronic Feedback Loop
Authors: Liu Xumeng , Lowery Arthur James
Published: August 2022

We propose an optical adaptive Least-Mean-Squares equalizer with an optoelectronic feedback loop to determine the updating of an optical Finite-Impulse-Response filter’s weights, enabling dispersion compensation introduced by 30-km fiber based on a photonic integrated circuit.
160 Gbps IM/DD amplifier-free transmission using a 10GHz-class DML with low-power DNLE and MLSE
Authors: Wang Weiyu , Li Huanlu , Zhang Haiyang , Huang Zhilei , Tang Jian , Zhou Qinyu , Wang Guoxi , Lu Yuchun
Published: August 2022

The 160Gbps (2km SSMF) and 150Gbps (10km SSMF) amplifier-free IM/DD transmissions are demonstrated based on a commercial 10G-class DML by utilizing advanced low power and complexity digital signal processing (DSP).
X-ray imaging with nanophotonic scintillators
Authors: Roques-Carmes Charles , Rivera Nicholas , Kooi Steven E. , Yu Yang , Joannopoulos John D. , Kaminer Ido , Soljačić Marin
Published: August 2022

We develop a general framework to enhance and control X-ray scintillation by embedding nanophotonic structures into scintillators. We demonstrate 10-fold scintillation enhancement in a conventional scintillator, showing the potential of our technique for X-ray imaging.
High-Speed Photodiodes on Silicon Nitride with a Bandwidth beyond 100 GHz
Authors: Maes Dennis , Reis Luis , Poelman Stijn , Vissers Ewoud , Avramovic Vanessa , Zaknoune Mohammed , Roelkens Gunther , Lemey Sam , Peytavit Emilien , Kuyken Bart
Published: August 2022

Next-generation telecommunication systems will rely on photonic integrated circuits. However, Silicon Nitride (SiN) photonic platforms do not natively provide high-speed photodiodes. We integrated a waveguide-coupled UTC photodiode on a SiN platform using the scalable micro-transfer-printing technology. These diodes show a responsivity up to 0.45 A/W, a dark current below 10 nA and a 3 dB-bandwidth beyond 100 GHz, even at zero-bias. As such, high-performance photodetectors are available on silicon-nitride photonic platforms.
Wavelength-resolved all-Silicon microring avalanche photodiode for telecom wavelength detection
Authors: Ren Yang , Van Vien
Published: August 2022

We report a p+pn+ junction silicon microring avalanche photodiode based on linear defect state absorption. The large avalanche photocurrent gives rise to giant thermo-optic nonlinearity in the microring, resulting in a unique linear photocurrent-wavelength response.
Purcell enhancement of X-ray scintillation
Authors: Lahav Neta , Kurman Yaniv , Schuetz Roman , Lifshits Alon , Zaken Segev , Be’er Orr , Bekenstein Yehonadav , Kaminer Ido
Published: August 2022

We demonstrate nanophotonic enhancement of the intrinsic spontaneous emission of X-ray-driven scintillation. By designing a 16-layers nanophotonic scintillator structure, we present the first observation of Purcell-enhanced scintillation, expressed by enhanced angular emission of visible photons.
Tapered multi-core fiber for biomedical lens-less endoscopes
Authors: El Moussawi Fatima , Hofer Matthias , Kumar Naveen Gajendra , Cassez Andy , Labat Damien , Bouwmans Géraud , Vanvincq Olivier , Rigneault Hervé , Andresen Esben Ravn
Published: August 2022

We present a novel fiber-optic component, a “tapered multi-core fiber”, designed for integration into ultra-miniaturized endoscopes for minimally invasive imaging. We develop a numerical model and use it to identify optimal designs which we then fabricate and experimentally validate.
Lasing Micro-Robots: Manipulation of Active Laser Sources in Biological Fluids
Authors: Wang Ziyihui , Shang Linwei , Xu Tianhua , Liu Tiegen , Chen Yu-Cheng
Published: August 2022

The concept of lasing micro-robots was introduced and demonstrated in biological fluids through liquid crystal microdroplets. Precise manipulation of optofluidic microlasers with various motions and velocity were achieved, opening new possibilities for micro-manipulation in photomedicine.
Revealing Cellular Features by Transverse Laser Modes in Frequency Domain
Authors: Qiao Zhen , Chen Yu-Cheng
Published: August 2022

This study reveals the key mechanism governing the frequency distributions of transverse modes in cellular lasers. By extracting laser modes in frequency domain, cellular microlasers were applied for studying cell adhesion process and cell classification from rat cortices.
In-situ photonic circuit field characterization in electronics-photonics CMOS platform via backside flip-chip near-field scanning optical microscopy
Authors: Al Qubaisi Kenaish , Schiller Mark , Zhang Bohan , Onural Deniz , Khilo Anatol , Naughton Michael J. , Popović Miloš A.
Published: August 2022

We demonstrate device field c haracterization u sing N SOM c ollection a nd in-teraction measurement modes via the backside buried-oxide of large scale photonic circuits fabricated in monolithic electronics-photonics CMOS platforms (here a microdisk resonator) post-processed using flip-chip substrate-removal.
Toward quantum electronic-photonic systems-on-chip: a monolithic source of quantum-correlated photons with integrated frequency locking electronics and pump rejection
Authors: Wang I. , Cabanillas J.M. Fargas , Kramnik D. , Ramesh A. , Buchbinder S. , Kumar P. , Stojanović V. , Popović M.A.
Published: August 2022

We demonstrate a CMOS electronic-photonic photon-pair source with integrated feedback-controlled frequency locking, >80 dB on-chip pump rejection, and signal/idler de-multiplexing, achieving a CAR of ≃5 at ≃40 ccps pair rate.
Fully integrated multipurpose microwave frequency identification system on a single chip
Authors: Yao Yuhan , Zhao Yuhe , Wei Yanxian , Zhou Feng , Chen Daigao , Zhang Yuguang , Xiao Xi , Dong Jianji , Yu Shaohua , Zhang Xinliang
Published: August 2022

We demonstrate a multipurpose microwave frequency identification system on silicon-on-insulator platform. The chip is able to identify different types of microwave signals, as well as discriminates instantaneous frequency variation thanks to its multipurpose features.
Self-Compression in Single-Domain KTP at 1 micron in a Normal Dispersion Regime
Authors: Krook Christoffer , Viotti Anne-Lise , Hessmo Björn , Laurell Fredrik , Pasiskevicius Valdas
Published: August 2022

We demonstrate self-compression of 173 fs pulses centered at 1030 nm down to 19.5 fs through electro-optic phase modulation by the phonon-polariton waves generated in a phase-matched intra-pulse difference-frequency mixing.
Nonlinear Broadening of an Electro-Optic Pulse Source on Thin-Film Lithium Niobate
Authors: Cheng Rebecca , Yu Mengjie , Reimer Christian , Shams-Ansari Amirhassan , Zhang Mian , Lončar Marko
Published: August 2022

We demonstrate on-chip broadening of an integrated electro-optic-modulator-based femtosecond pulse source on thin-film lithium niobate. A frequency comb spanning 3/5 octave is generated using 14 mW average on-chip power and 0.5 pJ pulse energy.
Nonlinear optical gain modulation: a novel method to generate highly-coherent femtosecond pulses
Authors: Qi Weiao , Zhou Jiaqi , Feng Yan
Published: August 2022

We report a new method to transform continuous-wave single frequency laser into femtosecond pulses by nonlinear optical gain modulation, opening a new possibility to obtain highly-coherent pulses with flexible wavelength.
10mJ Hollow-Core Fiber operation at 250W average power with 90% efficiency
Authors: Wilson Derrek , Ivanov Maksym , Tempea Gabriel , Labranche Alexis , Ramirez Alicia , Légaré François , Paradis Clement , Hage Arvid , Mans Torsten , Trallero Carlos , Schmidt Bruno E
Published: August 2022

We developed a high transmission Hollow-core fiber (HCF) with 1mm ID that supports 97% absolute transmission. We were able to achieve about 30 times spectral broadening of 11mJ, 1.5ps pulses from a 275W, 25 kHz InnoSlab multi-pass amplifier with 90% fiber transmission. The spectrum achieved with Kr at 1 bar supports a 50fs TL bandwidth.
Spatially Homogeneous Few-cycle Compression of Yb Lasers Via All-solid-state Free-space Soliton Management
Authors: Zhu B. , Fu Z. , Chen Y. , Peng S. , Jin C. , Fan G. , Zhang S. , Wang S. , Ru H. , Tian C. , Wang Y. , Kapteyn H. , Murnane M. , Tao Z.
Published: August 2022

A predictive method for all-solid-state high-quality pulse compression is proposed and experimentally demonstrated. The 170 fs pulses from a Yb:KGW laser is compressed to ~9.2 fs with a highly spatially homogeneous mode and a high efficiency of >50%.
Phase and Amplitude Imaging with Undetected Photons via Four-wave Mixing in Silicon Core Fibers
Authors: Huang Meng , Wu Dong , Ren Haonan , Shen Li , Hawkins Thomas W. , Ballato John , Gibson Ursula J. , Sipe John E. , Slavík Radan , Liscidini Marco , Peacock Anna C.
Published: August 2022

Undetected photon imaging based on four-wave mixing is demonstrated in silicon core fibers. Both amplitude and phase images are presented for a low-power telecom pump, with the potential for imaging at longer wavelengths discussed.
Ultra-low energy programmable non-volatile silicon photonics based on graphene heaters
Authors: Fang Zhuoran , Chen Rui , Zheng Jiajiu , Khan Asir Intisar , Neilson Kathryn M. , Saxena Abhi , Chen Michelle , Rios Carlos , Hu Juejun , Pop Eric , Majumdar Arka
Published: August 2022

We demonstrate a nonvolatile electrically programmable phase-change silicon photonic switch and phase shifter leveraging a monolayer graphene heater with record-high programming energy efficiency (8.7±1.4 aJ/nm3) and endurance (> 1,000 cycles).
Photoinduced Surface Reshaping from Azopolymer Micropillars with Programmable Anisotropy
Authors: Salvatore Marcella , Reda Francesco , Borbone Fabio , Maddalena Pasqualino , Oscurato Stefano Luigi
Published: August 2022

Tailoring surface-driven functionalities requires versatile techniques for surface micropatterning. Here surfaces of a photosensitive azobenzene-containing polymer, prepatterned with an array of discrete cylindrical micropillars, are reconfigured through a light-driven polarization-sensitive surface deformation.
SiN-based waveguides with ultra-low thermo-optic effect
Authors: Rodrigues Janderson R. , Bhatt Gaurang R. , Datta Ipshita , Dave Utsav D. , Chaitanya Shriddha , Shim Euijae , Lipson Michal
Published: August 2022

We demonstrate SiN-based passive waveguides with ultra-low thermo-optic effect, based on a novel waveguiding mechanism that confines light in the lower index of refraction. We demonstrate broadband operation over at least 200nm, with less than 0.01% change in the index over 200 degrees.
Optimization of Stimulated Brillouin Scattering Gain in a Double-Stripe Si3N4 Waveguide
Authors: Ye Kaixuan , Botter Roel , Klaver Yvan , Suryadharma Radius , van der Slot Peter , Marpaung David
Published: August 2022

We employ a genetic algorithm to optimize the stimulated Brillouin scattering gain coefficient i n a s ymmetric d ouble-stripe ( SDS) S i3N4 w aveguide. We a chieve 15 ×enhancement compared to previous results. Further, we verify the numerical findings with measurements for a selected set of SDS waveguides.
Bragg Reflector Co-integrated with SiN and a-Si on 300 mm Wafers for Low Loss Optical Beamformers
Authors: Marinins A. , Kjellman J. , Prost M. , Kongnyuy T. D. , Saseendran S. , Dahlem M. S. , Rottenberg X. , Jansen R. , Soussan P.
Published: August 2022

We demonstrate a build-up consisting of SiN and a-Si photonics with a Bragg reflector, targeted at optical beamforming applications. We developed CMOS-compatible low-loss PVD SiN waveguides and grating couplers with enhanced efficiency.
Silicon Nitride Fabry-Perot Bragg Grating Nanoresonator with Ultrahigh Intrinsic Q
Authors: Zhang Yang , Zhan Jiahao , Veilleux Sylvain , Dagenais Mario
Published: August 2022

An ultra-high intrinsic quality factor (Q
int
) of 13 million for a Fabry-Perot Bragg grating resonator is demonstrated. The loss of the Si3N4 waveguide platform is evaluated to be 0.018 dB/cm.
Error probability of Mode Vector Modulation optically-preamplified direct-detection receivers
Authors: Kwapisz J. , Roudas I. , Fink E.
Published: August 2022

Mode Vector Modulation (MVM) is a spatial, multidimensional modulation format for short-haul, optical interconnects. We evaluate the back-to-back performance of optically-preamplified MVM direct-detection receivers and prove that MVM is superior to conventional binary modulations.
An ANN-based QoT Estimation Model with Asymmetric Loss Function for Networks Capacity Improvement
Authors: Shi Yanan , Gu Zhiqun , Zhang Jiawei , Zhou Yuhang , Ji Yuefeng
Published: August 2022

An ANN-based QoT estimator with asymmetric loss function is proposed. It enables efficient assignment of modulation format, which increases network capacity compared to the model trained based on the symmetric loss function in test networks.
Data-driven Optical Fiber Channel Modeling Using Fourier Neural Operator
Authors: He Xingchen , Yan Lianshan , Jiang Lin , Yi Anlin , Pu Zhengyu , Yu Youren , Pan Wei , Luo Bin
Published: August 2022

We utilize Fourier neural operator to accurately model a 1200km optical fiber channel. It can achieve similar performance compared with SSFM, while with lower computational complexity (the running time is reduced from 30s to 0.09s).
On-chip χ(3) microring optical parametric oscillator with ultra-high conversion efficiency and >15 mW of output power
Authors: Perez Edgar F. , Moille Grégory , Lu Xiyuan , Stone Jordan , Srinivasan Kartik
Published: August 2022

We demonstrate an integrated microresonator χ(3) optical parametric oscillator with ≈ 30 % conversion efficiency and >15 mW of output power into a parametric sideband, by reducing parasitic non-linear gain saturation and engineering resonator-waveguide coupling.
Backward Second-Harmonic Generation in Optically Poled Silicon Nitride Waveguides
Authors: Yakar Ozan , Hu Jianqi , Nitiss Edgars , Brès Camille-Sophie
Published: August 2022

We report the inscription of quasi-phase-matching gratings in silicon nitride waveguides for backward second-harmonic-generation enabled by all-optical poling, therefore, circumventing the difficulties in inscribing poled domains with ultra-short periods.
Highly efficient hybrid integrated microcomb source
Authors: Dmitriev Nikita , Koptyaev Sergey , Voloshin Andrey , Kondratiev Nikita , Lobanov Valery , Ryabko Maxim , Polonsky Stas , Bilenko Igor
Published: August 2022

For the first time we demonstrate up to 40% pump-to-comb sidebands conversion efficiency for bright dissipative Kerr solitons in photonic chip-based microresonators and report detailed consideration of its dependence on microresonator parameters.
Broadband and Flat Mid-Infrared Supercontinuum Generation in a Varying Dispersion Waveguide for Parallel Gas Spectroscopy
Authors: Torre Alberto Della , Armand Rémi , Sinobad Milan , Fiaboe Kokou Firmin , Luther-Davies Barry , Madden Stephen , Mitchell Arnan , Nguyen Thach , Moss David J. , Hartmann Jean-Michel , Reboud Vincent , Fedeli Jean-Marc , Monat Christelle , Grillet Christian
Published: August 2022

We report optimized mid-infrared supercontinuum generation in a silicon-germanium on silicon waveguide with varying dispersion. We employ the generated supercontinuum for a proof-of-principle demonstration of free-space parallel gas spectroscopy.
Mid-infrared photothermal quantitative phase imaging (MIP-QPI)
Authors: Ideguchi Takuro
Published: August 2022

Mid-infrared photothermal microscopy is an emerging technology in the field of label-free vibrational imaging. Instead of using a point-scanning imaging modality, we develop wide-field mid-infrared photothermal imaging techniques with various phase microscopes.
Fully Integrated On-Chip Ring Resonator Spectrometer Based on Compressed Sensing
Authors: He Xiaotong , Cardenas Jaime
Published: August 2022

We demonstrate a compact on chip spectrometer with built-in detectors, 512 spectral channels and bandwidth of 51.2nm. Compressed sensing is used for spectrum reconstruction to minimize the chip size.
Continous-wave travelling wave optical parametric amplification on a photonic chip
Authors: Riemensberger Johann , Liu Junqiu , Kuznetsov Nikolai , He Jijun , Wang Rui Ning , Kippenberg Tobias J.
Published: August 2022

We demonstrate a traveling wave parametric amplifier in a photonic Si3N4integrated spiral waveguide of 2.0 m length with footprint 3×5 mm. We achieve net gain of 7 dB on-chip and 2 dB fiber-to-fiber in the optical C-band.
Second harmonic generation of blue light on integrated thin-film lithium niobate waveguides
Authors: Park Taewon , Stokowski Hubert S. , Ansari Vahid , McKenna Timothy P. , Hwang Alexander Y. , Fejer M. M. , Safavi-Naeini Amir H.
Published: August 2022

We demonstrate highly efficient second harmonic generation of blue light using periodically poled thin-film lithium niobate waveguides. Our device shows a conversion efficiency of η0 = 33000%/W-cm2.
Resonant Acousto-optic Modulator using Thin-film Lithium Niobate on Sapphire
Authors: Shao Linbo , Ding Sophie W. , Sinclair Neil , Leatham James G. , Loncar Marko
Published: August 2022

We demonstrate an integrated acousto-optic phase modulator using thin-film lithium niobate on sapphire. The phase modulation is strongly enhanced by a high-Q acoustic resonance at 700 MHz and leading to several higher-order optical sidebands.
Efficient second-harmonic generation in silicon carbide nanowaveguides
Authors: Zheng Yi , Yi Ailun , Ye Chaochao , Yvind Kresten , Zhang Han , Ou Xin , Pu Minhao
Published: August 2022

We achieve an ultra-uniform 4-inch SiC-on-insulator wafer for high-yield waveguides. For the first time, we demonstrate second-harmonic generation in a 4H-SiCOI waveguide with conversion efficiency as high as 5.4% W-1.
Resonant spatial light modulation with wafer-scale, inverse-designed microcavity arrays
Authors: Panuski Christopher , Christen Ian , Mills Sivan Trajtenberg , Brabec Cole , Minkov Momchil , Griffiths Alexander , McKendry Jonathan J.D. , Leake Gerald , Coleman Daniel , Tran Cung , St Louis Jeffrey , Mucci John , Horvath Cameron , Westwood-Bachman Jocelyn , Preble Stefan , Dawson Martin , Fanto Michael , Strain Michael , Englund Dirk
Published: August 2022

We present inverse-designed arrays of vertically-coupled, high-finesse, wavelength-scale photonic crystal cavities in a commercial foundry. Dynamically controlling each pixel with a high-speed (~100 MHz) µLED display enables efficient spatial light modulation with unprecedented spatiotemporal bandwidth.
High quality factor universal phase gradient metasurfaces for narrowband wavefront engineering
Authors: Lin Lin , Hu Jack , Dagli Sahil , Dionne Jennifer A. , Lawrence Mark
Published: August 2022

We introduce a universal high quality factor meta-reflect-array platform capable of producing arbitrary wavefronts. As proof-of-principle, we experimentally realize strong narrowband beam-steering by perturbing guided-mode resonant elements with maximum structural differences of just 14nm (6%).
Multispectral Spatial Light Modulators based on Fabry-Perot nanocavity resonances
Authors: Mansha Shampy , Moitra Parikshit , Xu Xuewu , Mass Tobias W. W. , Veetil Rasna Maruthiyodan , Liang Xinan , Li Shi-Qiang , Paniagua-Dominguez Ramon , Kuznetsov Arseniy I.
Published: August 2022

We demonstrate a Fabry-Perot nanocavity based SLM; capable of achieving high reflectance and large phase shift ~2π simultaneously at multiple wavelengths in visible region. This device can be used for multispectral beam steering and tunable lensing.
Shaping Free-space Emission with Monolithically Integrated Metalenses on Silicon Photonic Waveguides
Authors: Hsieh Ping-Yen , Lin Yu-Siang , Fang Shun-Lin , Chang You-Chia
Published: August 2022

We report a monolithic and CMOS-compatible platform to integrate metalenses on silicon waveguides for shaping free-space emission. We demonstrate experimentally a 2.5 μm tightly focused spot, and the focus position is switchable with excitation direction.
The ELI-ALPS MIR-HE laser system - design and status
Authors: Golz T. , Starosielec S. , Buss J. H. , Merkl P. , Zapolnova E. , Schulz M. , Petev M. , Prandolini M. J. , Riedel R.
Published: August 2022

We report the design for a high-power optical parametric chirped-pulse amplifier (OPCPA) at 3200 nm central wavelength for the MIR-HE laser at ELI-ALPS, aiming to provide 20 mJ pulse energy and sub-2.5 cycles pulse length.
Development Update of an Ultra broadband, all OPCPA Petawatt beamline to the Vulcan laser facility
Authors: Buck Samuel , Archipovaite Giedre , Booth Nicola , Galimberti Marco , Galletti Mario , Musgrave Ian , Oliveira Pedro , Stallwood Andrew , Winstone Trevor , Woodward Michael , Hernandez-Gomez Cristina
Published: August 2022

Installation of a new short pulse petawatt laser, pumped by noncollinear optical parametric chirped pulse amplification is underway at the Central Laser Facility. The new beamline will allow betatron probing for the exiting petawatt facility.
Highly integrated reconfigurable radiofrequency filter based on microcomb and a silicon photonic processor
Authors: Tao Yuansheng , Chang Lin , Shen Bitao , Shu Haowen , Xie Weiqiang , Jin Ming , Tao Zihan , Bai Bowen , Yu Shaohua , Wang Xingjun , Bowers John E.
Published: August 2022

We demonstrate a novel chip-scale reconfigurable radiofrequency filter by using AlGaAs-on-insulator microcomb and silicon photonics in combination, simultaneously bypassing the employment of bulky pulse shaper and long-haul dispersive fiber. © 2022 The Author(s)
InAs/InP Quantum-dash Laser-based 8 Gb/s QPSK/16QAM Bidirectional 25–28 GHz MMWoF-Wireless Transport System in Mid L-band
Authors: Khan M. Z. M. , Tareq Q. , Ragheb A. M. , Esmail M. A. , Alshebeili S.
Published: August 2022

First report of 8-Gb/s QPSK downstream and 16QAM upstream data-transmission over 28 and 25 GHz MMW, respectively, at 1610nm with single InAs/InP quantum-dash laser. The heterogeneous system integrates hybrid 10-km-SMF–4m-WL channel with wavelength-reuse strategy.
Radar-Assisted MMW-over-Fiber System for B5G Mobile Communications
Authors: Lei Mingzheng , Li Aijie , Hua Bingchang , Zhang Jiao , Cai Yuancheng , Zou Yucong , Zhu Min
Published: August 2022

We experimentally demonstrated a radar-assisted MMW-over-fiber system for B5G mobile communications based on polarization interleaving. Centimeter-level ranging accuracy at K-band and 23-Gbit/s wireless rate at 28GHz band were simultaneously achieved without using polarization tracking methods.
Integrated Passive Nonlinear Optical Isolators
Authors: White Alexander D. , Ahn Geun Ho , Herrmann Jason F. , Mayor Felix M. , Van Gasse Kasper , Yang Ki Youl , Safavi-Naeini Amir H. , Vučković Jelena
Published: August 2022

We demonstrate non-reciprocal continuous-wave transmission through integrated Si3N4 and LiNbO3 micro-resonators using the Kerr nonlinearity. We achieve a 5 dB non-reciprocal transmission ratio with 30 mW input power on Si3N4, a significant step towards integrated passive isolators.
Nonlinear behavior of InP-on-insulator waveguide at 2-μm wavelength range
Authors: Nishi Hidetaka , Fujii Takuro , Sato Tomonari , Sugiyama Hiroki , Tsuchizawa Tai , Wada Kazumi , Segawa Toru , Matsuo Shinji
Published: August 2022

We develop a low-loss (0.7 dB/cm) InP-on-insulator waveguide at 2-μm-wavelength range. A large nonlinear parameter of 270 W-1m-1 is obtained with suppressing two-photon absorption. We also demonstrate over 105 quality factors of ring resonators.
Wavelength-stabilized mode-locked thulium-doped fiber laser operating between 1958 and 2008 nm
Authors: Bartnick Moritz , Bharathan Gayathri , Lago-Rached Laure , Mussot Arnaud , Brès Camille-Sophie
Published: August 2022

We report a stable, robust, and compact passively mode-locked thulium-doped fiber laser that can be wavelength-stabilized between 1958 and 2008 nm using the appropriate chirped fiber Bragg grating as a wavelength-selective element.
Band-edge-induced mid-infrared radiation in a gas-filled antiresonant hollow-core fiber
Authors: Deng Ang , Gavara Trivikramarao , Hassan Muhammad Rosdi Abu , Hasan Md Imran , Chang Wonkeun
Published: August 2022

We demonstrate band-edge-induced strong radiation at 3.5 µm wavelength from a gas-filled antiresonant hollow-core fiber that is pumped by femtosecond pulses at 2 µm. The high conversion efficiency allows the generation of sub-µJ level mid-infrared pulses.
Fiber-based Wavelength-tunable Passively Q-switched Laser at 2.7 μm
Authors: Shi Minghui , Zhou Meng , Qiao Tian , Wong Kenneth K. Y.
Published: August 2022

We present a 2.7-µm passively Q-switched Er-ZBLAN fiber laser. By introducing an intracavity Lyot birefringence fiber filter utilizing both polarization-maintaining and non-polarization-maintaining silica fiber, the laser achieved the central wavelength tunability of 2702-2772 nm.
Switchable mode-locking regimes in a Tm-doped fiber laser with fixed anomalous dispersion
Authors: Xu Shutao , Zeng Junjie , Sander Michelle Y.
Published: August 2022

We report a thulium-doped all-fiber mode-locked laser that can be switched between stable conventional and dissipative soliton regimes. Periodic soliton explosions with oscillatory recovery dynamics are observed in the transition between the two stable regimes.
Deep Learning-based Virtual Immunohistochemical HER2 staining of Label-Free Breast Tissue
Authors: Bai Bijie , Wang Hongda , Li Yuzhu , de Haan Kevin , Colonnese Francesco , Wan Yujie , Zuo Jingyi , Doan Ngan B. , Zhang Xiaoran , Zhang Yijie , Li Jingxi , Dong Wenjie , Darrow Morgan Angus , Kamangar Elham , Lee Han Sung , Rivenson Yair , Ozcan Aydogan
Published: August 2022

We present deep learning-based virtual immunohistochemical (IHC) HER2 staining of label-free breast tissue sections, matching the standard IHC HER2 staining performed by histotechnologists. © 2022 The Author(s)
A Compact, Large Field-of-View, and High-Resolution 2D Imaging Device Based on Metalens Array
Authors: Hu Junjie , Yang Weijian
Published: August 2022

We demonstrate a large field-of-view, high-resolution 2D imager by using a metalens array with bounded angular field of view. The metalens array is compactly integrated with a camera sensor with a total thickness of ~5mm.
All-fiber scan-free precision detection with large depth of field
Authors: Wang Lele , Yang Yousi , Li Dan , Yan Ping , Gong Mali , Xiao Qirong
Published: August 2022

We demonstrate an all-fiber detecting system based on a single multimode fiber. The system showcases the capability to detect precision natural scenes by its inverse transmission matrix. Integrated reflective illumination mode makes it more accessible.
Optically generated graphene plasmons for optoelectronic logic operations
Authors: Li Yiwei , An Ning , Wang Yuchen , Tan Teng , Xu Xizhen , He Jun , Xia Handing , Wu Zhaohui , Soavi Giancarlo , Rao Yunjiang , Yao Baicheng
Published: August 2022

Leveraging the counter-propagating and temporally-synchronized laser comb pulses, we demonstrate all-optical generation and electrical control of multiple plasmon polarizations in 0 ~ 50 THz, enabling AND/OR/NOR optoelectronic logic operations in one single device.
Low-Loss Graphene Organic Hybrid Phase Modulators
Authors: Ma P. , Zhang X. Z. , Heni W. , Flöry N. , Bitachon B. I. , Watanabe T. , Messner A. , Emboras A. , Habegger P. , Cheng B. J. , Burla M. , Cun H. Y. , Hemmi A. , Novotny L. , Elder D. L. , Dalton L. R. , Greber T. , Indiveri G. , Leuthold J.
Published: August 2022

Ultra-short, low-loss graphene-organic hybrid phase modulators are introduced. 20 Gbit/s PAM-2 and PAM-4 data modulation are demonstrated with devices of 25 m length and on-chip losses of 0.86 dB.
High-resolution hyperspectral imaging including amplitude and phase spectra using chirped optical frequency comb
Authors: Kato Takashi , Morito Tamaki , Nekoshima Yasuhisa , Minoshima Kaoru
Published: August 2022

We developed high-resolution hyperspectral imaging using a chirped optical frequency comb. Precise all-optical processing with the comb enables simultaneous amplitude and phase of ultrashort pulse. A 100-nm spectral range with a 1.8-nm resolution was demonstrated.
Electrically Driven Bound-state-in-the-Continuum Laser
Authors: Wang Yufei , Wang Mingjin , Liu Wenzhen , Fu Ting , Qu Hongwei , Wang Hailing , Qi Aiyi , Zhou Xuyan , Li Guixin , Kivshar Yuri , Zheng Wanhua
Published: August 2022

We report on the first demonstration of electrically driven bound state in the continuum (BIC) laser. The laser is based on two types of BIC modes in a photonic crystal metacavity lasing at room temperature.
Beamforming via wrapped transverse propagation for visible integrated photonics
Authors: Spektor Grisha , Briles Travis , Jin Yan , Carlson David R. , Papp Scott B.
Published: August 2022

Controlling visible-laser emission with integrated photonics affects quantum technologies and challenges nanophotonic design and fabrication. Here, we demonstrate a pathway to millimeter-scale beams with versatile polarization, using wrapped lateral propagation via total internal reflection and metasurface optics.
Phase noise reduction of a soliton microcomb with an auxiliary mode
Authors: Lei Fuchuan , Ye Zhichao , Torres-Company Victor
Published: August 2022

We demonstrate a neat method to reduce the phase noise of a soliton microcomb caused by thermal fluctuation. It is realized by rendering the pump to simultaneously excite a slightly red-detuned auxiliary mode.
Zero-dispersion soliton in fiber based Fabry-Pérot microresonators with anomalous dispersion
Authors: Xiao Zeyu , Li Tieying , Cai Minglu , Zhang Hongyi , Huang Yi , Wu Kan , Chen Jianping
Published: August 2022

We have theoretically and experimentally demonstrated the existence of zero-dispersion solitons in a high Q fiber F-P microresonator with weak anomalous dispersion. This work reveals the nonlinear dynamics of such zero-dispersion solitons in Kerr microresonators. © 2022 The Author(s)
Light-Controlled Switching in Electro-Optical Memristors
Authors: Portner Kevin , Weilenmann Christoph , Maeder Alexander , Zellweger Till , Ma Ping , Luisier Mathieu , Emboras Alexandros
Published: August 2022

We demonstrate a new concept in an electro-optical memristor where a global light stimulus induces non-volatile conductance changes. The optical signal acts as a third, independent stimulation channel, similar to neuromodulators in three-factor learning rules.
1.6-GHz, 3.3-W Kerr-lens Mode-locked Yb:KGW Oscillator Pumped by a Multimode Laser Diode
Authors: Zheng Li , Chen Yuehang , Tian Wenlong , Yu Yang , Wang Geyang , Bai Chuan , Zhang Dacheng , Zhu Jiangfeng , Wei Zhiyi
Published: August 2022

We demonstrate a high-power high-repetition-rate Kerr-lens mode-locked oscillator pumped by a laser diode for the first time. 269-fs pulses at the repetition rate of 1.6 GHz with up to 3.3-W average power are obtained.
Geometric Four-Wave Mixing Phase-Matching in Photonic Nanoresonators
Authors: Yu S.-P. , Yang K.Y. , Yang J. , Black J.A. , Carlson D. , Briles T. , Guidry M.A. , Lukin D.M. , Vuckovic J. , Papp S. B.
Published: August 2022

We present nanoresonators in which a shared photonic defect provides two distinct guiding mechanisms. Their drastically different dispersion profiles enable unconventional, near-arbitrary phase-matching for four-wave mixing, advantageous for wideband wavelength access.
Terahertz Topological Meta-devices for On-chip Photonics
Authors: Yang Quanlong , Wang Dongyang , Kruk Sergey , Liu Mingkai , Kravchenko Ivan , Kivshar Yuri , Shadrivov Ilya
Published: August 2022

We design and demonstrate experimentally the on-chip integration and miniaturization of topological devices for the terahertz technologies. Our devices are based on valley-Hall photonic structures employed for integrated components of on-chip THz systems.
THz Generation with Photoconductive Emitters with a Low-noise GHz Repetition Rate Laser
Authors: Fobbe Felix , Vogel Tim , Wulf Frank , Kohlhaas Robert , Globisch Björn , van Delden Marcel , Rudin Benjamin , Emaury Florian , Musch Thomas , Saraceno Clara J.
Published: August 2022

We demonstrate THz generation with a low noise GHz repetition rate laser with state-of-the-art photoconductive emitters. We measure a maximum dynamic range of 73 dB and a bandwidth of more than 3 THz.
1030 nm Photoconductive Receiver excited at >20 mW of THz Average Power
Authors: Vogel Tim , Mansourzadeh Samira , Schulz Romina S. , Nandi Uttam , Preu Sascha , Saraceno Clara J.
Published: August 2022

We present an investigation of an ErAs:InAlGaAs photoconductive antenna receiver optimized for 1030 nm probe pulses at 24 mW THz power and show a dynamic range of 92 dB in 10 s measurement time. The saturation behavior under high THz average power is studied as well.
Multipass In-Well Pumped Semiconductor Disk Laser for Sodium Guide Stars
Authors: Zhang Mingyang , Albrecht Alexander R. , Cole Garrett D. , Nguyen Catherine , Follman David , Sheik-Bahae Mansoor
Published: August 2022

We describe a novel membrane-external-cavity surface-emitting laser geometry employing multi-pass in-well pumping. Narrow linewidth output power of 6.2 W at 589 nm is achieved targeting sodium guide star applications.
Over 1 Watt THz QCLs with high doping concentration and variable Al composition in active structure
Authors: Lin Tsung-Tse , Wang Li , Wang Ke , Grange Thomas , Birner Stefan , Hirayama Hideki
Published: August 2022

A 1.31 W peak power and 52 mW average power THz QCL is presented by variable Al composition active structure with high doping concentration based on NEGF method design. Device has thick growth active layers and large mesa size with the consideration of heat dissipation.
Power intensity noise in cavity optomechanical accelerometers through RF sensing
Authors: Flores Jaime Gonzalo Flor , Yerebakan Talha , Wang Wenting , Wu Jiagui , Matsko Andrey , Wong Chee Wei
Published: August 2022

We develop a theoretical representation of sensitivity noise generated by laser and power intensity instabilities on optomechanical accelerometers that use RF mechanical resonance shift. The theoretical model is further matched to on-chip measured data.
Single-shot Characterization of Ultrafast Pulses with Spatiotemporal Orbital Angular Momentum
Authors: Gui Guan , Kapteyn Henry C. , Murnane Margaret M. , Liao Chen-Ting
Published: August 2022

We developed a simple single-shot method to characterize ultrafast light pulses carrying spatiotemporal orbital angular momentum (ST-OAM) near its Fourier-transform limit. The method is used to measure ST-OAM pulses with different topological charges, chirps, and divergence.
Scalable, Autonomous On-Chip Picosecond Pulse-Shaping Enabled by Smart Optimization
Authors: Fischer Bennet , Chemnitz Mario , MacLellan Benjamin , Roztocki Piotr , Helsten Robin , Wetzel Benjamin , Little Brent , Chu Sai , Moss David , Azaña José , Morandotti Roberto
Published: August 2022

We demonstrate a scalable, autonomous on-chip pulse shaping system based on temporal coherence synthesis. The inclusion of smart optimization algorithms enables robust, and reconfigurable pulse-shaping over a wide range of input and target durations.
Engineering of Modal Coupling of Counter-Propagating Waves for Multi-Color Dissipative Kerr Soliton Operation
Authors: Moille Grégory , Lu Xiyuan , Stone Jordan , Hoang Khoi Tuan , Perez Edgar F. , Westly Daron , Srinivasan Kartik
Published: August 2022

We present spectral engineering of microring resonators guided by Fourier design of the coupling between counter-propagating modes. We experimentally realize dispersion profiles matching prescribed designs, and we theoretically analyze their application to multi-color soliton microcombs.
Frequency comb generation in a silicon nitride microring resonator fabricated by using hot-wire CVD method
Authors: Sota Shota , Handa Koichiro , Tanabe Takasumi , Uzawa Yoshinori , Furusawa Kentaro , Sekine Norihiko
Published: August 2022

We report frequency comb generation in a silicon nitride (SiN) based microring resonator fabricated by the hot-wire chemical vapor deposition (HW-CVD) method with an intrinsic quality factor in excess of 5×105.
Coherent Combining for High-Power Kerr Combs
Authors: Kim Bok Young , Okawachi Yoshitomo , Jang Jae K. , Ji Xingchen , Lipson Michal , Gaeta Alexander L.
Published: August 2022

We demonstrate coherent combining of two Kerr combs operating in the normal group-velocity dispersion regime via on-chip synchronization. We achieve a nearly 2’ increase in the combined comb power while maintaining 26% conversion efficiency.
Avoided Mode Crossing Suppressed Microresonators with a Mode Filter Integrated Bus Waveguide
Authors: Kim Chanju , Yvind Kresten , Pu Minhao
Published: August 2022

We introduce a tapered concentric bus waveguide to suppress avoided mode crossing induced by polarization mode coupling in microresonators. We experimentally validate the method using AlGaAs-on-insulator-based microresonators.
Program-controlled generation and stabilization of single soliton in a Si3N4 micro-resonator
Authors: Zhang Hongyi , Lu Liangjun , Chen Jianping , Zhou Linjie
Published: August 2022

We experimentally demonstrate program-controlled single-soliton generation in a Si3N4 micro-resonator assisted by an auxiliary laser. A feedback control method is employed to enhance the stability of the single soliton.
Inverse-designed optical phased array with a wide steering angle
Authors: Vercruysse D. , Sapra N.V. , Yang K.Y. , Vučković J.
Published: August 2022

A slow-light photonic crystal waveguide is demonstrated for a group index of 25 using photonic inverse design. We construct optical phased arrays with a 7-fold increase in steering angle at a given spectral bandwidth.
Achieving thin-film optical metasurfaces for high-resolution augmented/mixed-reality smart glasses
Authors: Boo Hyunpil , Yang Hangbo , Lee Yoo Seung , Matthews Brian , Lee Tom G. , Wong Chee Wei
Published: August 2022

We report state-of-the-art metasurface optical elements enabling our high-resolution full-color prototype, via the combination of analytical modeling, numerical simulations, and experiments. Our prototype device has achieved field-of-view >40o, high output efficiency (>1%), and 2K resolution.
Neural network-based phase calibration for integrated optical phased arrays with resolved ambiguity
Authors: Leng Lemeng , Ji Xiang , Zeng Zhaobang , Wu Guihan , Lin Zhongzhi , Shi Zhiyuan , Jiang Wei
Published: August 2022

Using neural networks, we experimentally extract phase errors of an optical phased array from its far-field pattern non-iteratively for calibration. Periodic and conjugate phase ambiguities are resolved, helping achieve high sidelobe suppression ratio.
Silicon Optical Phased Array with High Sidelobe Suppression on Both Horizontal and Vertical Directions
Authors: Qiu Huaqing , Liu Yong , Meng Xiansong , Guan Xiaowei , Ding Yunhong , Hu Hao
Published: August 2022

We experimentally demonstrated an integrated 120-channel silicon optical phased array with Gaussian power distribution on both horizontal and vertical directions to achieve high sidelobe suppression ratios (15 dB and 25 dB, respectively).
Mid-Infrared Chip-Integrated Full-Stokes Polarimeter Array Based on Plasmonic Metasurfaces
Authors: Bai Jing , Zuo Jiawei , Yao Yu
Published: August 2022

We theoretically and experimentally demonstrated a chip-integrated polarimeter array design based on bi-layer plasmonic metasurfaces structure for ultracompact, accurate, and efficient polarization mapping in the mid-infrared range.
Power-efficient optical bottle-beam traps
Authors: Xiao Yuzhe , Yu Zhaoning , Wambold Raymond A. , Mei Hongyan , Hickman Garrett , Goldsmith Randall H. , Saffman Mark , Kats Mikhail A.
Published: August 2022

We introduced a figure of merit for optical bottle-beam traps, and identified optical bottle-beam traps based on metasurfaces illuminated by a Gaussian beam that are superior in terms of power efficiency compared to existing approaches.
Self-Adaptive Radiative Cooler for Maximizing Year-Round Energy Saving of households
Authors: Li Jiachen , Tang Kechao , Dong Kaichen , Gordon Madeleine P. , Reichertz Finnegan G. , Kim Hyungjin , Rho Yoonsoo , Wang Qingjun , Lin Chang-Yu , Grigoropoulos Costas P. , Javey Ali , Urban Jeffrey J. , Yao Jie , Levinson Ronnen , Wu Junqiao
Published: August 2022

We present an approach to household thermal regulation and energy saving from an all-season perspective by developing a mechanically flexible and energy-free coating that automatically adapts its thermal emittance to different ambient temperatures.
D-SSB Kramers-Kronig Reception Employing Time-slot Coding for Indoor Optical Wireless Communications with Few-mode Based Beam Shaping
Authors: Li Jianghao , Yang Qi , Dai Xiaoxiao , Lim Christina , Nirmalathas Ampalavanapillai
Published: August 2022

A novel dual-single-sideband Kramers-Kronig reception without performance penalty enabled by time-slot coding is proposed for multi-user indoor optical wireless communications with few-mode based beam shaping to improve system spectral efficiency.
Turbulence-Resilient 2.25-Gbit/s DPSK Self-Coherent Free-Space Optical Communication Link Using Automatic Optoelectronic Mixing of Many Spatial Modes
Authors: Zhang Runzhou , Zou Kaiheng , Su Xinzhou , Duan Yuxiang , Zhou Huibin , Song Haoqian , Song Hao , Minoofar Amir , Hu Nanzhe , Pang Kai , Boyd Robert W. , Tur Moshe , Willner Alan E.
Published: August 2022

We experimentally demonstrate a 2.25-Gbit/s DPSK free-space optical link that resilience to turbulence-induced modal coupling loss. The measured average mixing loss is ~14.6-dB less than a single-mode-fiber-coupled system based on 200 random turbulence realizations.
Suppression of Timing-Jitter in a Collinear LiNbO3 Optical-to-Terahertz Converter
Authors: Kuttruff Joel , Tsarev Maxim , Baum Peter
Published: August 2022

We report passive compensation of terahertz timing-jitter via collinear combination of the two-sided Cherenkov radiation emitted in a LiNbO3 slab. The timing drift per beam displacement is reduced 70-fold compared to non-collinear geometries.
Interaction Lengths in Tilted-pulse-front Terahertz Setups
Authors: Kroh Tobias , Rohwer Timm , Demirbas Umit , Çankaya Huseyin , Hemmer Michael , Hua Yi , Pergament Mikhail , Matlis Nicholas H. , Kärtner Franz X.
Published: August 2022

We map out the impact of the interaction lengths on the efficiency and terahertz spatial profile in tilted-pulse-front setups via systematically scanning the 5D-parameter space spanned by fluence, pulse-front tilt, crystal-position, and beam size.
Broadband Long-Wave Infrared Pulse Generation using Chirped-Pulse Difference-Frequency Mixing
Authors: Huang Hao , Xiao Xuan , Nees John , Jovanovic Igor
Published: August 2022

We demonstrate the production of ultra-broadband long-wave infrared pulses spanning the 8–12 µm atmospheric window using chirped-pulse difference-frequency generation optimized by genetic algorithm.
Near Unit Efficiency in Microresonator Combs
Authors: Zang Jizhao , Yu Su-Peng , Carlson David R. , Briles Travis C. , Papp Scott B.
Published: August 2022

We optimize the pump-laser conversion efficiency in soliton frequency combs by controlling the nonlinear shift, external coupling, and bidirectional pump field with photonic-crystal resonators. We achieve and explain >86% pump-to-comb conversion efficiency.
Inverse-Designed Silicon Carbide Nanoresonators
Authors: Yang Joshua , Yang Ki Youl , Guidry Melissa A. , Lukin Daniil M. , Vuckovic Jelena
Published: August 2022

We implement inverse-designed nano-resonators in 4H-Silicon-Carbide-on-Insulator and demonstrate high quality factors and quantum frequency comb generation.
Fully Tunable Sagnac Loop Reflector with 0.1 µW Static Power Silicon Photonic MEMS
Authors: Her Man J. , Kim Dong U. , Kim Do Y. , Jeong Youngjae , Park Young J. , Choi Dong J. , Hong Myung S. , Rah Yoonhyuk , Yu Kyoungsik , Han Sangyoon
Published: August 2022

We report on a MEMS-based integrated tunable Sagnac loop reflector having full reflectivity tuning from 0 to 100% with <0.1 µW static power consumption. A Fabry-Pérot cavity with fine linewidth tunability is also demonstrated.
Low-loss broadband nonvolatile 2×2 switch based on Sb2Se3 for programmable silicon photonics
Authors: Fang Zhuoran , Chen Rui , Zhang Jieying , Xu Peipeng , Majumdar Arka
Published: August 2022

We demonstrate a broadband low-loss nonvolatile 2×2 silicon directional coupler switch based on phase-change material Sb2Se3. The switch has a low insertion loss of ~0.5 dB, a compact footprint of ~41 µm, and less than -10 dB crosstalk across ~33 nm bandwidth around 1550nm.
A Polarization-independent directional coupler on a thin-film lithium niobate platform
Authors: Saha Uday , Waks Edo
Published: August 2022

We design a polarization-insensitive directional coupler on a thin-film lithium niobate platform by overcoming the polarization anisotropy. We use it as a Bell-state analyzer for entangling two remote trapped ions and achieve < 99.99% fidelity.
Integrated optical gyroscope with inverse weak value amplification
Authors: Song Meiting , Nauriyal Juniyali , Steinmetz John , Pumulo Sinabu , Achuthan Nicholas , Lyons Kevin , Jordan Andrew N. , Cardenas Jaime
Published: August 2022

We apply inverse weak value amplification to an integrated Sagnac interferometer gyroscope. We demonstrate rotation measurement with the weak value gyroscope.