bluuebunny/crossref_metadata_2025 huggingface dataset:
Quantum noise of dark pulse microcombs
Authors: Lao Chenghao , Jin Xing , Chang Lin , Xie Weiqiang , Shu Haowen , Wang Xingjun , Bowers John E. , Yang Qi-Fan
Published: August 2022

We investigate the fundamental timing jitter of dark pulse microcombs generated in an AlGaAs microresonator, where the quantum-limited frequency noise of the 91-GHz repetition rate is measured to be 0.5 Hz2/Hz.
Mach-Zehnder Interferometer for Topological Edge States Based on a Designer Domain Wall
Authors: Li Yandong , Jung Minwoo , Yu Yang , Han Yuchen , Zhang Baile , Shvets Gennady
Published: August 2022

We experimentally demonstrate a tunable single-waveguide interferometer based on interfaces between photonic topological insulators. Tunability is achieved by engineering the domain wall without altering the bulk. Topological protection enables compactness and efficiency.
Non-Hermitian metasurface with non-trivial topology
Authors: Prasad Ciril S. , Yang Frank , Li Weijian , Lach Rosemary , Everitt Henry O. , Naik Gururaj V.
Published: August 2022

The synergy between topology and non-Hermiticity in photonics holds potential for optical devices that are robust against defects. We demonstrate a non-Hermitian plasmonic-dielectric metasurface in the visible with non-trivial topology.
Quantum Interference between Integrated and Independently Controlled Quantum Dots
Authors: Papon Camille , Wang Ying , Uppu Ravitej , Scholz Sven , Wieck Andreas D. , Ludwig Arne , Lodahl Peter , Midolo Leonardo
Published: August 2022

We realize a quantum photonic circuit enabling the resonant excitation of multiple quantum emitters. Using independent electrical control, we demonstrate quantum interference between two embedded quantum dots in a single device. Our result represents a crucial step towards on-chip multi-photon generation for quantum information applications.
Coherent Single Photon Source in an Integrated Diamond Nanophotonic System
Authors: Assumpcao Daniel , Knaut Can , Knall Erik , Bekenstein Rivka , Gong Wenjie , Machielse Bartholomeus , Levonian David , Stas Pieter-Jan , Huan Yan Qi , Riedinger Ralf , Bhaskar Mihir , Lončar Marko , Lukin Mikhail
Published: August 2022

We demonstrate an on-demand source of individual, temporally modulated photons with high purity (g2(0) = 0.017) and detection efficiency (14.9%) using a silicon-vacancy center in diamond coupled to an asymmetric nanophotonic cavity.
A nanophotonic interface for tin-vacancy centers in diamond
Authors: Riedel Daniel , Rugar Alison E. , Aghaeimeibodi Shahriar , Dory Constantin , Lu Haiyu , McQuade Patrick J. , Shen Zhi-Xun , Melosh Nicholas A. , Vučković Jelena
Published: August 2022

We present the coupling of tin-vacancy centers in diamond to a photonic crystal cavity resulting in a more than 10-fold enhancement of the spontaneous radiative recombination rate.
Cavity-enhanced emission from an ensemble of color centers in silicon
Authors: Errando-Herranz Carlos , Gerlach Connor , De Santis Lorenzo , Panuski Christopher , Prabhu Mihika , Raniwala Hamza , Christen Ian , Englund Dirk
Published: August 2022

Optical quantum technologies require strong light-matter interaction. We couple silicon color center ensembles to high-Q/V cavities and show enhanced emission in the telecommunications O-band.
Monolithic Integration of Quantum Emitters with Silicon Nitride Photonic Platform
Authors: Senichev Alexander , Peana Samuel , Martin Zachariah O. , Yesilyurt Omer , Sychev Demid , Lagutchev Alexei S. , Boltasseva Alexandra , Shalaev Vladimir M.
Published: August 2022

Silicon nitride has great potential for integrated quantum photonics. We demonstrate monolithic integration of intrinsic quantum emitters in SiN with waveguides which show a room-temperature off-chip count rate of ~104 counts/s and clear antibunching behavior.
Single-shot passive 3D and polarization vision using a monocular metasurface camera
Authors: Shen Zicheng , Zhao Feng , Jin Chunqi , Yang Yuanmu
Published: August 2022

We experimentally demonstrate a monocular camera that can simultaneously perform high-precision depth sensing with error below 1% and high-fidelity polarization imaging, using a metasurface lens with an optimized depth- and polarization-dependent point spread function.
Generation of High-Power First-Order Laguerre-Gaussian Beam from a Solid-State Tm Laser at ~2 μm
Authors: Cui Chen , Wang Li , Zhang Ge , Zhao Yongguang , Loiko Pavel , Mateos Xavier , Yu Haohai , Zhang Huaijin , Petrov Valentin , Chen Weidong
Published: August 2022

We report on a high-power first-order Laguerre-Gaussian beam generation from a diode-pumped Tm:YAlO3 laser with a maximum power of 16.7 W at 1987 nm. Wavelength tunable operation is achieved across ~149 nm.
1-fs-level passive pump-seed-pulse synchronization in white light seeded OPCPA
Authors: Hülsenbusch Thomas , Eichner Timo , Dirkwinkel Julian , Lang Tino , Winkelmann Lutz , Palmer Guido , Maier Andreas R.
Published: August 2022

We present measurements on the timing stability of a white light seeded, two stage OPCPA intended as seed for laser plasma acceleration drive lasers. A 1 fs rms timing jitter was observed over 66 hours.
A Space-efficient Optical Computing Chip Based on Diffractive Neural Network
Authors: Zhu H. H. , Zou J. , Zhang H. , Cai H. , Liu A. Q.
Published: August 2022

A the integrated diffractive optical network for implementing parallel Fourier transforms, convolution operations and application-specific optical computing is demonstrated and achieved ~10-fold reduction in both footprint and energy consumption. It has high potential in optical-artificial-intelligence.
Cosmic radiation effect on silicon photonic Mach-Zehnder Modulator
Authors: Mao Dun , Chang Lorry , Lee Hwaseob , Li Tiantian , Wang Zi , Dong Po , Yu Anthony W. , Krainak Michael A. , Gu Tingyi
Published: August 2022

We evaluated the radiation effects of cosmic rays on silicon Mach-Zehnder Modulator loaded on International Space Station. Permanent changes of refractive index (10-3) and carrier lifetime reduction have been observed after 6 months’ radiation.
Dual-polarity Photocurrent of MBE-grown p-AlGaN/n-GaN p–n nanowires
Authors: Wang Danhao , Kang Yang , Liu Xin , Fang Shi , Luo Yuanmin , Sun Xiyu , Sun Haiding
Published: August 2022

We observed bidirectional photocurrent behavior in p-AlGaN/n-GaN nanowire p-n heterojunction, enabling a fast way to distinguish different spectral bands by simply verifying the polarity of photocurrent and its magnitude.
Non-Perturbative Harmonic Generation in ZnO Driven by a Few-Cycle, 100 MHz Er:fiber Frequency Comb
Authors: Lesko Daniel M. B. , Chang Kristina F. , Diddams Scott A.
Published: August 2022

Using a few-cycle 100 MHz Er:fiber comb, we demonstrate solid state harmonic generation in ZnO yielding broadband spectra from 200-650 nm. Sensitivity to the driving pulse carrier envelope phase is demonstrated across the spectrum.
Compact Few-Cycle Source in the Mid-Infrared by Adiabatic Difference Frequency Generation
Authors: Ritzkowsky Felix , Rossi Giulio M. , Bebeti Engjell , Matlis Nicholas H. , Suchowski Haim , Cankaya Huseyin , Kärtner Franz X.
Published: August 2022

We present a compact ultrafast source tunable from 2 µm to 3.5 µm with 60 nJ pulses at 50 kHz repetition rate producing wideband spectra by adiabatic difference frequency generation supporting close to single-cycle pulses.
Dual-Comb Absorption Spectroscopy of CeO in a Laser-Produced Plasma
Authors: Rhoades Ryan T. , Weeks Reagan R. D. , Erickson Seth E. , Harilal Sivanandan S. , Phillips Mark C. , Jones R. Jason
Published: August 2022

We demonstrate the use of dual-comb spectroscopy to perform time-resolved absorption measurements on cerium monoxide molecules formed in a laser-produced plasma.
Dual Comb Ranging and Rotation Sensing with Orbital Angular Momentum
Authors: Anderson Alexander Q. , Strong Elizabeth F. , Coburn Sean C. , Rieker Gregory B. , Gopinath Juliet T.
Published: August 2022

We demonstrate a dual comb ranging system capable of simultaneously measuring the distance to a target and the transverse rotation rate of the target by preparing the probe comb with orbital angular momentum.
Frequency-Agility Probes Enable High Spatial Resolution for Digital Optical Frequency Comb-Based Fast BOTDA
Authors: He Huan , Wei Weilun , Zhao Zhiyong , Fu Songnian , Liu Deming , Tang Ming
Published: August 2022

Utilizing frequency-agility probes in digital optical frequency comb-based fast BOTDA, a record 5 m spatial resolution over 5 km fiber with 4 MHz frequency resolution and 1 GHz bandwidth is demonstrated for the first time.
High-Power Fully-Integrated Frequency Comb Generation
Authors: Gil-Molina Andres , Antman Yair , Westreich Ohad , Ji Xingchen , Shin Min Chul , Bhatt Gaurang R. , Kim Bok Young , Okawachi Yoshitomo , Gaeta Alexander L. , Lipson Michal
Published: August 2022

We generate an integrated high-power Kerr frequency comb in a silicon-nitride resonator via self-injection locking of a high-power multimode gain chip. We generate 27 comb lines with total power exceeding 0.1 W.
A Chip-Based, 1 Hz Integrated Linewidth Laser
Authors: Guo Joel , McLemore Charles A. , Xiang Chao , Lee Dahyeon , Wu Lue , Jin Warren , Kelleher Megan , Jin Naijun , Mason David , Chang Lin , Feshali Avi , Paniccia Mario , Rakich Peter T. , Vahala Kerry J. , Diddams Scott A. , Quinlan Franklyn , Bowers John E.
Published: August 2022

We demonstrate a chip-scale laser stabilized to an 8 mL micro-fabricated vacuum-gap cavity, exhibiting 1.1 Hz integrated linewidth, frequency noise down to 10
−
3 Hz2/Hz at 4 kHz, and Allan deviation below 10
−
14 to 1 s.
Low-Threshold Thulium-Silicon Microdisk Lasers
Authors: Kiani Khadijeh Miarabbas , Frankis Henry C. , Knights Andrew P. , Bradley Jonathan D. B.
Published: August 2022

We present low-threshold lasing around 1.9 µm in compact thulium-silicon hybrid microdisk resonators with a pulley-coupled design. We observe total on-chip output powers of > 2 mW and threshold pump powers of < 1 mW.
LED-on-CMOS digital light projector with 128x128 pixels, 0.5 Mfps frame rate and nanosecond pulse capability
Authors: Strain Michael J. , Dehkhoda Fahimeh , Hassan Navid Bani , Herrnsdorf Johannes , Henderson Robert , Dawson Martin D.
Published: August 2022

We present a micro-LED-on-CMOS digital light projector array operating up to 0.5 Mfps. The 128x128 pixel array has individual control of each pixel and can operate with 32 grayscale levels and emit nanosecond pulses.
Smart and agile 84 W fs Yb-fiber laser for spectroscopy
Authors: Salman S. , Fan M. , Tünnermann H. , Balla P. , Darvill J. , Laumer D. , Pecile V. , Fellinger J. , Shumakova V. , Mahnke C. , Ma Y. , Mohr C. , Heckl O. H. , Heyl C. M. , Hartl I.
Published: August 2022

We demonstrate an all-PM high power ultrafast Yb-fiber laser utilizing digital controls for frequency comb stabilization and femtosecond pulse shaping.
Experimental Demonstration of Optical Beamforming on a Dispersion-Engineered Heterogeneous Multicore Fiber
Authors: Ureña Mario , García Sergi , Herranz Jose I. , Gasulla Ivana
Published: August 2022

We report the experimental demonstration of tunable optical beamforming for phased-array antennas on a dispersion-engineered heterogeneous multicore fiber. We developed in-house both the fiber and the antenna and successfully demonstrated radio beam-steering at 26 GHz.
Liquid-crystal optical electrodes for neural interfacing
Authors: Ladouceur François , Lovell Nigel , Al Abed Amr
Published: August 2022

Traditional systems for neural interfacing rely on electrons for signal transmission from the biological tissue. We discuss herein an alternative approach using light to both sense and transmit the neural signals. Central to this approach is novel passive, fluorophore-free optical electrode.
Recent Progress on Single-frequency EYDFAs for Gravitational Wave Detection
Authors: Booker Phillip , Kruska Kristopher , Steinke Michael , Willke Benno , Weßels Peter , Neumann Jörg , Kracht Dietmar
Published: August 2022

We present a monolithic, single-frequency EYDFA at 1556 nm with polarization-maintaining fibers and advanced cooling concept. The amplifier was long-term tested at 50 W output power with low amplified spontaneous emission levels and no stimulated Brillouin scattering.
Plasmonically Enhanced Electronically Addressable Photonic Switches Incorporating Phase-Change Materials
Authors: Farmakidis Nikolaos , Youngblood Nathan , Lee June Sang , Feldmann Johannes , Pernice Wolfram HP , Wright C David , Bhaskaran Harish
Published: August 2022

Ever-increasing processing and storage requirements steer us towards co-integration of electronics and photonics. Here, we demonstrate waveguide-integrated plasmonic memory and computing elements by employing phase-change materials with reconfigurable properties and dual electro-optic functionality.
Mitigating Anomalous Sub-Megahertz Frequency Response of Electro-Optic Phase Modulators in X-cut Lithium Niobate on Insulator
Authors: Puma Eric , Cheng Rebecca , Holzgrafe Jeffrey , Shams-Ansari Amirhassan , Shankar Raji , Loncar Marko
Published: August 2022

We report anomalous sub-MHz frequency response of electro-optic (EO) phase modulators in X-cut lithium niobate on insulator (LNOI) and demonstrate improved response via careful preparation of the LiNbO3/metal interface and high temperature annealing in forming gas.
High Contrast Variable-Emissivity Coating using Vanadium Dioxide
Authors: Woolf David N. , Hessel Colin M. , Wright Albert G. , Hensley Joel M. , Wan Chenghao , Xiao Yuzhe , King Jonathan , Kats Mikhail A.
Published: August 2022

We demonstrated a variable-emissivity coating incorporating vanadium dioxide with an integrated hemispherical emissivity that is switchable between values of 0.79 (maximum) and 0.17 (minimum) 0.17 that can be used for passive thermal control of spacecraft.
Single-Shot Laser Waveform Measurement in the Short-wave Infrared using Fluorescence Emission in a Solid
Authors: Truong Tran-Chau , Liu Yangyang , Khatri Dipendra , Chini Michael
Published: August 2022

Multiphoton and tunneling excitation have been exploited as temporal gates to characterize few-cycle waveforms, including recently in single-shot measurements. We demonstrate that band fluorescence following multiphoton absorption allows single-shot waveform measurement in the short-wave infrared.
Dispersion Adjusting Knife Edge Scan for Optimization of Simultaneously Spatially and Temporally Focused Ultrafast Pulses
Authors: Wilhelm Alex M. , Schmidt David D. , Adams Daniel E. , Durfee Charles G.
Published: August 2022

We present a pulse characterization technique based on dispersion scan which is capable of measuring the spatial focal quality and through-focus temporal evolution of simultaneously spatially and temporally focused ultrafast pulses.
Phase-Sensitive Femtosecond Detection in the Infrared with a Third-Order Nonlinear Interaction
Authors: Kempf Hannes , Liehl Andreas , Sulzer Philipp , Leitenstorfer Alfred
Published: August 2022

We demonstrate a time-domain technique for phase-sensitive detection of mid-to-near-infrared electric transients. Exploiting third-order nonlinearities, limitations for electro-optic sampling like few-femtosecond probe pulses and carrier-envelope phase stability are circumvented.
Cavity Ring-Down Spectroscopy for Accurate Carbon Dioxide Transition Intensities near 1.96 μm
Authors: Bailey D. Michelle , Adkins Erin M. , Reed Zachary D. , Hodges Joseph T. , Fleisher Adam J.
Published: August 2022

We present transition intensity measurements for the 20011 ← 00001 band of carbon dioxide to test quantum theory and support sensing and isotopic analysis. Preliminarily, a relative combined standard uncertainty of ≤ 0.2 % was achieved.
High-Speed Compressive Spectroscopy at 3.3 µm by Spectral Shaping with a Digital Micromirror Device
Authors: Charsley Jake M. , Rutkauskas Marius , Altmann Yoann , Reid Derryck T.
Published: August 2022

We demonstrate compressive spectroscopy at 3.3 µm by projecting a sparse set of spectra shaped by a digital micromirror device. Acquisition at 280 Hz is achieved. Reconstructed spectroscopy shows good agreement with ground truth measurements.
Active hyperspectral imager based on a supercontinuum laser and a MEMS Fabry–Pérot interferometer
Authors: Kääriäinen Teemu , Dönsberg Timo
Published: August 2022

We present the design and characterization of tunable SWIR supercontinuum laser based active hyperspectral imager. A MEMS Fabry–Perot interferometer is used for non-dispersive wavelength selection, enabling the use of monochromatic camera for hyperspectral imaging.
Antiresonant hollow core fiber-based photothermal interferometry of Nitric Oxide at 5.26 µm with parts-per-billion sensitivity
Authors: Krzempek Karol , Jaworski Piotr , Bojęś Piotr , Kozioł Paweł , Dudzik Grzegorz , Hoppe Viktoria , Belardi Walter
Published: August 2022

We demonstrate an antiresonant hollow-core fiber-based photothermal sensor capable of targeting gases having absorption lines beyond 5 µm. The sensor reached a nitric oxide detection limit of 11 ppbv for 144 s integration time.
Expanding the Quantum Photonic Toolbox with Low-Loss AlGaAs-on-Insulator
Authors: Castro Joshua E. , Steiner Trevor J. , Chang Lin , Pintus Paolo , Bowers John E. , Moody Galan
Published: August 2022

We present the building blocks for a programmable quantum processor with AlGaAs-on-insulator integrated photonics, including low-loss waveguide crossers and > 30 dB extinction tunable interferometers, which we benchmark via photonic qubit demultiplexing with high extinction.
2D quantum emitters for Integrated Quantum Photonics
Authors: Kim Sejeong
Published: August 2022

Integrated quantum photonic circuits is an emerging area that requires efficient coupling of quantum light sources to waveguides and optical resonators. So far, much effort is devoted to developing on-chip systems from 3D crystals such as diamond or gallium arsenide. In this work, room-temperature operation of quantum emitters in on-chip photonic waveguides and cavities is demonstrated using single photon emitters embedded in layered hexagonal boron nitride. The results serve as foundation for integrating layered materials to on-chip components and realizing integrated quantum photonic circuitry.
Temporal Soliton in a Fiber Laser Cavity with a Detuned Injected Signal for Ultra-dense Optical Frequency Comb Generation
Authors: Englebert Nicolas , Arabí Carlos Mas , Parra-Rivas Pedro , Gorza Simon-Pierre , Leo François
Published: August 2022

We generate broadband ultra-dense optical frequency comb in a coherently driven laser pumped below its oscillation threshold. We investigate, both theoretically and experimentally, the crucial role played by the cavity detuning.
All-optical Nonlinear Noise Suppression in State-of-the-art Fiber Oscillators and Amplifiers
Authors: Edelmann Marvin , Hua Yi , Şafak Kemal , Kärtner Franz X.
Published: August 2022

New developments regarding all-optical noise suppression in state-of-the-art Kerr-type fiber oscillators and amplifiers are presented. Optimized noise-transfer dynamics from nonlinear amplifying loop-mirror mode-locked fiber oscillators enable quantum-limited noise performance.
Breathing Solitons in a Passively Harmonic Mode-Locked Fibre Laser
Authors: Huang Q. , Boscolo S. , Dai L. , Huang Z. , Finot C. , Rozhin A. , Mou C.
Published: August 2022

We report on the first experimental observation of breathing solitons in a passively harmonic mode-locked fibre laser. Various features of a 4th-harmonic operation state showing breather oscillations with a period of 5 roundtrips are discussed.
Farey-Fraction Frequency Locking of a Breather Ultrafast Fibre Laser
Authors: Wu X. , Zhang Y. , Peng J. , Boscolo S. , Finot C. , Zeng H.
Published: August 2022

We report frequency locking at Farey fractions of a breather mode-locked fibre laser. The ratios of the breathing frequency to the cavity-repetition frequency show the Farey-tree’s hierarchy and devil-staircase’s structure with a 0.906 fractal dimension.
Energy Conversion Efficiency of High-Order Raman Solitons
Authors: Kormokar Robi , Rochette Martin
Published: August 2022

We experimentally and numerically evaluate the energy distribution of fundamental solitons following a high-order soliton fission process. Under certain conditions, this evaluation significantly diverges from the prediction led by the inverse scattering method.
Ultraviolet Orbital Angular Momentum Generation Through a Second-Harmonic Process
Authors: Dai Kunjian , Free Justin , Miller J. Keith , Watkins Richard J. , Johnson Eric G.
Published: August 2022

This paper introduces a Higher Order Bessel Gaussian beam system for the generation of light in the ultraviolet band (258.5 nm) using a second-harmonic nonlinear process. Thus, providing a dynamically controlled high-dimensional OAM UV source.
Improvement in fs pre-pulse and ps pedestal in the J-KAREN-P laser facility
Authors: Kiriyama Hiromitsu , Miyasaka Yasuhiro , Kon Akira , Nishiuchi Mamiko , Sagisaka Akito , Sasao Hajime , Pirozhkov Alexander S. , Fukuda Yuji , Ogura Koichi , Kondo Kotaro , Dover Nicholas P. , Kando Masaki
Published: August 2022

We have realized the removal of most pre-pulses with wedged optics and orders of magnitude enhancement of the pedestal with higher optical quality optics. We have successfully installed the plasma mirror system for further improvement.
Topographical, Structural and Chemical Nanopatterning of Ultrafast Laser Irradiated Surfaces
Authors: Colombier J.P. , Prudent M. , Iabbaden D. , Rudenko A. , Bourquard F. , Garrelie F.
Published: August 2022

Design of periodic structures with arranged topographical, chemical and structural state offers new ways to manipulate material properties at the nanoscale and can be realized by spontaneous ordering of matter induced by laser irradiation. We report here the achievement of laser-induced nanopatterns that combine physicochemical features at the nanoscale.
Influence of defects on the femtosecond laser damage resistance of multi-layer dielectric grating
Authors: Zhang Simin , Su Ziyao , Menoni Carmen S. , Chowdhury Enam A.
Published: August 2022

The influence of various defects on the femtosecond laser damage resistance of a HfO2/SiO2/Ta2O5-based 48-layer grating designed for 800 nm is studied using the finite-difference time-domain method incorporated with the Keldysh photoionization theory.
4-channel DWDM System using Optical Frequency Combs and Active Demultiplexer for Data Center Interconnects
Authors: Ahmad Syed Tajammul , Jain Ankita , Lakshmijayasimha Prajwal Doddaballapura , Kaszubowska-Anandarajah Aleksandra , Anandarajah Prince M.
Published: August 2022

We experimentally demonstrate an OFC and active demultiplexer based 12.5 GHz DWDM system for DCIs. Successful transmission of directly modulated 17.5 Gb/s/λ 16-QAM DMT data is accomplished by using DD-LMS equalizer to overcome cross-channel interference.
Two-Dimensional Transmission of Four-Dimensional LDPC-Coded Modulation with Slepian Sequences for DSP-Free 40 km Metro Network Transmission
Authors: Han Xiao , Djordjevic Ivan B.
Published: August 2022

We implement a 4-dimentional modulation format using Slepian sequences. We applied LDPC coding and experimentally investigated the BER performance in a 40km fiber link transmission and get the error free region without complicated DSP.
Low Distortion Brillouin Amplification Enhanced with a Power Limiting SOA for Coherent Communications
Authors: Pelusi Mark , Kurosu Takayuki , Namiki Shu
Published: August 2022

Enhanced Brillouin amplification with intensity noise suppressed by a gain saturated semiconductor optical amplifier (SOA) is demonstrated. Application to noisy input spectral-lines for 64-QAM coherent communications improves tolerance to detuned polarization and frequency from maximum gain.
Optical properties of silicon-rich silicon nitride for photonic integrated circuits
Authors: Pruiti Natale G. , Gough Christopher , May Stuart , Sorel Marc
Published: August 2022

The optical properties of silicon-rich silicon nitride are analyzed for different compositions, obtained by varying the deposition parameters. Here we demonstrate how the bandgap, refractive index, and thermo-optic coefficient depends on the relative silicon composition.
Low thermal noise TiO2-doped GeO2 for gravitational wave detectors
Authors: Davenport Aaron , Vajente Gabriele , Demos Nicholas , Yang Le , Fazio Mariana , Ananyeva Alena , Billingsley GariLynn , Schiettekatte François , Chicoine Martin , Markosyan Ashot , Bassiri Riccardo , Fejer Martin M. , Gras Slawek , Evans Mathew , Menoni Carmen S.
Published: August 2022

TiO2 doped GeO2 thin films with excellent optical properties and exceptionally low mechanical loss for a ternary amorphous oxide are used to demonstrate interference coatings with low thermal noise for the test masses of gravitational wave interferometers.
Inference of Process Variations in Silicon Photonics from Characterization Measurements
Authors: Zhang Zhengxing , El-Henawy Sally I. , Ríos Carlos , Boning Duane S.
Published: August 2022

A Bayesian-based method is developed to infer the distribution of systematic geometric variations in silicon photonics. Width, thickness, and partial etch depth variation distributional maps are reported for silicon nitride ring resonator characterization measurements.
Thermo-Optic Characterization of SU-8 at Cryogenic Temperature
Authors: Chakraborty Trisha , Gordillo Oscar A. Jimenez , Barrow Michael , Lipson Michal , Murphy Thomas E. , Grutter Karen E.
Published: August 2022

We report for the first time the thermo-optic behavior of SU-8 around 1550nm in a ring resonator from 300K to 3K. Cryogenic measurement is enabled by on-chip 3D polymer structures that secure the fiber-to-chip coupling.
Full-silica metamaterial to tailor polarization state of UV high power lasers
Authors: Bonod Nicolas , Brianceau Pierre , Daurios Jérôme , Néauport Jérôme
Published: August 2022

We report on a full silica transmission grating able to act as a wave plate at the wavelength of 351nm, offering performances that open the road to high-power lasers applications.
Heteroepitaxial Growth of Mixed OP-GaAsP Periodic Structures and Second-Harmonic Generation
Authors: Wang Li , Vangala Shivashankar R. , Popien Stefan , Beutler Marcus , Tassev Vladimir L. , Petrov Valentin
Published: August 2022

Orientation-patterned GaAs0.85P0.15 is grown by hydride vapor phase epitaxy on a GaAs template and second-harmonic generation is demonstrated for this ternary periodic structure using ultrashort pulses with an intrinsic conversion efficiency exceeding 19%.
Fabrication and Characterization of Baria-Silicate Erbium-Doped Fiber Amplifiers
Authors: Jalilpiran Saber , Durak Firat Ertac , Fuertes Victor , Maes Frédéric , Wang Lixian , Messaddeq Younès , LaRochelle Sophie
Published: August 2022

We present a baria-silicate erbium-doped fiber, fabricated using solution-doping technique, with 3 mol% BaO concentration. The fiber displays a low background loss (<10 dB/km at 1200 nm) and is used in an extended L-band amplifier.
F-SYNC: a 1 kHz high energy OPCPA auxiliary beam synchronizable with fs precision and arbitrary delay to the L1-Allegra laser
Authors: Novák Jakub , Erdman Emily , Antipenkov Roman , Indra Lukáš , Green Jonathan Tyler , Tykalewicz Boguslaw , Mazůrek Petr , Torun Murat , Naylon Jack Alexander , Bakule Pavel , Rus Bedřich
Published: August 2022

We report on the progress in developing a high energy, 1 kHz OPCPA auxiliary laser (F-SYNC) which is intended to supplement the L1-Allegra beamline. The auxiliary pulses are synchronized to the main laser with femtosecond precision and arbitrary delay.
Powerful Sub-100-fs Diode-Pumped Solid-State Laser Oscillator Operating at Gigahertz Repetition Rate
Authors: Hamrouni Marin , Labaye François , Modsching Norbert , Wittwer Valentin J. , Südmeyer Thomas
Published: August 2022

Our Kerr-lens mode-locked Yb:CALGO laser oscillator generates 93-fs pulses in 6.9-W and 48-fs pulses in 4.1-W at 1-GHz repetition rate. These are the shortest pulse duration and highest average power of any GHz-class Yb-based oscillator.
Simulating Phase Transition in Two-Dimensional Ising Model on Coherent Ising Machine
Authors: Takesue Hiroki , Yamada Yasuhiro , Inaba Kensuke , Ikuta Takuya , Yonezu Yuya , Inagaki Takahiro , Honjo Toshimori , Kazama Takushi , Embutsu Koji , Umeki Takeshi , Kasahara Ryoichi
Published: August 2022

We show that two-dimensionally coupled optical parametric oscillator pulses capture the signature of the exact phase transition of the two-dimensional Ising model rather than that of a mean-field one.
SOA-based all-optical neuron with reconfigurable nonlinear activation functions
Authors: Li Qiang , Tian Ye , Liu Shengping , Zhao Yang , Wang Wei , Wang Zhi , Feng Junbo , Guo Jin
Published: August 2022

We propose an all-optical neuron based on the self-induced polarization rotation in a semiconductor optical amplifier, which achieves reconfigurable nonlinear activation functions by tuning the initial state of polarization of input signal.
Narrow linewidth picosecond source at 760 nm generating 50 nJ pulses using four-wave mixing
Authors: Supekar Omkar D. , Simmons Y. Lange , Bright Victor M. , Gopinath Juliet T.
Published: August 2022

We have demonstrated an electronically controlled laser, generating 50 nJ picosecond pulses at 760 nm. The gain-switched pulses at 1032 nm are amplified in Yb-fiber and frequency converted in photonic crystal fiber using four-wave mixing.
Complete measurement of the phase-space topology of fiber four-wave mixing using iterated initial conditions
Authors: Sheveleva A. , Andral U. , Kibler B. , Colman P. , Dudley J. M. , Finot C.
Published: August 2022

We experimentally demonstrate an optical fiber testbed enabling the quantitative study of ideal four-wave mixing. We directly measure the complex phase-space topology including features such as the separatrix, Fermi Pasta Ulam recurrence, and stationary waves.
Orthogonally-Polarized Bi-directional Dual-Comb Fiber Laser
Authors: Uyama Kota , Shirahata Takuma , Set Sze Yun , Yamashita Shinji
Published: August 2022

We propose a novel nonreciprocal polarization isolator for the realization an all-PM dual-comb fiber laser. An orthogonally-polarized bi-directional output has been demonstrated, for the first time, with 5.474 kHz repetition frequency difference at 20 MHz.
Strong phase-locking in quantum seeded of Raman comb
Authors: Ignacchiti J. , Reigue A. , Amrani F. , Debord B. , Gérôme F. , Benabid F.
Published: August 2022

We demonstrate strong and stable phase-locking between the pump and the quantum generated Stokes/anti-Stokes spectral-pair in a comb generated in the regime of a single spatio-temporal coherent mode transient stimulated Raman scattering in H2-filled HCPCF.
Plasmonically Enhanced Second Harmonic Generation of Weyl Semimetal TaAs through field confinement
Authors: Yang Morris M. , Sychev Demid , Xu Xiaohui , Martin Zach , Mandurus David , Suriya Hasitha , Arachchige  , Lagoutchev Alexei , Shalaev Vladimir , Boltasseva Alexandra
Published: August 2022

We demonstrate 300 percent increase of second-harmonic generation from Weyl semimetal TaAs surface by distributing plasmonic silver nanoantennas on TaAs. Normalizing laser spot size area over silver nanoantenna areas yields actual SHG enhancement is 90-fold.
Large >0.2dB/µm Modulation Depth Double-Layer Graphene Electro-Absorption Modulator on Slot waveguide
Authors: Wu Chenghan , Wang Zheng , Jussot Julien , Brems Steven , Mootheri Vivek , Huyghebaert Cedric , Van Campenhout Joris , Pantouvaki Marianna , Van Thourhout Dries
Published: August 2022

We experimentally demonstrated >10 dB extinction ratio (ER) at 4 Vpp with a 50µm-long double-layer graphene electro-absorption modulator (DLG EAM) integrated on a silicon slot waveguide. Both the modulation depth (0.2dB/µm) and efficiency (0.070 dBV-1µm-1) exceed state-of-art.
Fine Structure Splitting and Exciton Interactions in MoWSe2 Single-Crystal
Authors: Taank Pravrati , Raji Aravind , Singh Ravi Shankar , Adarsh K. V.
Published: August 2022

We demonstrate fine structure splitting in MoWSe2 single-crystal experimentally using ultrafast transient reflectance spectroscopy and theoretically by the Bethe-Salpeter Furthermore, alloying creates intermediate states, which play a critical role in the ultrafast carrier dynamics.
Realization of Resonant Optical Metasurfaces with Maximal and Tunable Chiral Response
Authors: Shi Tan , Deng Zi-Lan , Geng Guangzhou , Zeng Yixuan , Hu Guangwei , Overvig Adam , Li Junjie , Qiu Cheng-Wei , Alù Andrea , Kivshar Yuri S. , Li Xiangping
Published: August 2022

We employ the physics of chiral bound state in the continuum and suggest planar chiral metasurfaces with near-perfect circular dichroism (CD). We demonstrate experimentally metasurfaces with CD=0.9 with Q factor exceeding Q=390 at optical frequencies.
Silicon Microring Modulator for High SFDR Analog Links in Monolithic 45nm CMOS
Authors: Buchbinder S. , Wang R. , Kramnik D. , Van Orden D. , Khilo A. , Fini J. , Sun C. , Wade M. , Stojanović V.
Published: August 2022

We characterize the linearity of a lateral junction microring modulator in a mono-lithic 45 nm CMOS platform versus modulator bias, optical wavelength, and input power, and achieve peak third-order SFDR of

96.4

dB
⋅

Hz

2
3

at 0dBm laser power.
Ultra-sensitive and selective gas sensing using polymer-coated microtoroid optical resonators
Authors: Li Cheng , Lohrey Trevor , Tang Yisha , Stoltz Brian , McLeod Euan , Su Judith
Published: August 2022

We use a system known as FLOWER (frequency locked optical whispering evanescent resonator) in combination with different sorbent polymer coatings to rapidly detect trace amounts of the toxic gases DIMP, ammonia, and formaldehyde.
Near-Ultraviolet Dual-Comb Spectroscopy with Photon-Counting
Authors: Xu Bingxin , Hänsch Theodor W. , Picqué Nathalie
Published: August 2022

A dual-comb interferometer using electro-optic modulators and nonlinear frequency conversion enables linear absorption spectroscopy in the 390-nm region at the single-photon level. Photon-counting instrumentation alleviates the use of high-power lasers.
Terahertz frequency synthesizer referenced to an ultra-stable optical cavity
Authors: Shin Dong-Chel , Kim Byung Soo , Jang Heesuk , Kim Young-Jin , Kim Seung-Woo
Published: August 2022

A terahertz frequency synthesizer is devised with reference to an ultra-stable cavity via an optical comb with an unprecedented stability of 310-15 at 1-s averaging.
Portable Centimeter-Scale Rigidly Held Optical Cavity with <3×10-14 Fractional Frequency Stability
Authors: Kelleher Megan L. , McLemore Charles A. , Lee Dahyeon , Diddams Scott. A. , Quinlan Franklyn
Published: August 2022

We present a rigidly held 10 mL-volume optical reference cavity with a simple cylindrical geometry. A laser stabilized to the cavity has < 3×10-14 fractional frequency stability, and minimal holding force sensitivity is measured.
Compact, Low-Noise Optical Reference Cavity with Lithographically Fabricated Mirrors
Authors: McLemore Charles A. , Jin Naijun , Hendrie James P. , Mason David , Kelleher Megan L. , Luo Yizhi , Lee Dahyeon , Rakich Peter , Diddams Scott A. , Quinlan Franklyn
Published: August 2022

Our 8 mL vacuum-gap Fabry-Pérot cavity uses lithographically fabricated mirrors to achieve >900 000 finesse, thermally limited noise to nearly 1 kHz offset, and 10-14 fractional frequency instability over 7 seconds of averaging.
Coherent Shaping of an Octave Spanning Supercontinuum
Authors: Lee Kevin F. , Rolland Antoine , Li Peng , Jiang Jie , Fermann Martin E.
Published: August 2022

We optimize the intensity of six wavelengths in a supercontinuum by tuning the dispersion of a chirped fiber Bragg grating. The phase stability between wavelengths exceeds that of most optical clocks.
Engineered Multi-Output Supercontinuum Generation in Tantala Waveguides for Optical-Lattice-Clock Stabilization
Authors: Newman Zachary , Carlson David , Ferdinand Andrew , Papp Scott B.
Published: August 2022

We create a tantala nanophotonic waveguide circuit to generate supercontinuum spectrum that covers all the wavelength bands required for a strontium optical-lattice clock. The phase-locked supercontinuum is a versatile tool for compact and manufacturable optical clocks.
Injection locking of two CW lasers via a Kerr microresonator soliton comb for low noise THz generation
Authors: Kuse Naoya , Minoshima Kaoru
Published: August 2022

We demonstrate the amplification and phase noise transfer of the comb modes of a microresonator soliton comb by optical injection locking, showing > 40 dB amplification gain and < -100 dBc/Hz residual noise.
Engineering Carrier Dynamics in Pseudo-Landau-Quantized Graphene towards Developing Graphene Lasers
Authors: Lu Kunze , Luo Manlin , Sun Hao , Kang Dong-Ho , Nam Donguk
Published: August 2022

We experimentally demonstrate that strong pseudo-magnetic fields in strained graphene significantly modify the hot carrier dynamics. We also theoretically propose that pseudo-Landau-quantized graphene may serve as an excellent gain medium for integrated graphene lasers.
Voltage-controlled moiré potentials, propagation and luminescence of indirect excitons in MoSe2/WSe2 heterostructure
Authors: Fowler-Gerace L. H. , Zhou Zhiwen , Choksy D. J. , Butov L. V.
Published: August 2022

We present a new mechanism for exciton transport control based on tuning moiré potentials by voltage to enable delocalization, present long-range exciton propagation due to this mechanism, explore correlations between exciton luminescence and propagation properties.
Strongly Modified Broadband Ultrafast Photoluminescence at Telecom Wavelengths from CVD Monolayer Graphene
Authors: Lu Kunze , Wang Yadong , Luo Manlin , Son Bongkwon , Yu Yi , Nam Donguk
Published: August 2022

We report broadband ultrafast photoluminescence from graphene ranging from visible to telecom wavelengths. We show strongly modified emission spectra owing to the presence of the cavity effect and demonstrate improved thermal stability enabled by hBN.
Simulating Graphene Dynamics in a Synthetic Honeycomb Lattice with the Frequency Dimension
Authors: Yu Danying , Li Guangzhen , Xiao Meng , Wang Da-Wei , Wan Yong , Chen Xianfeng , Yuan Luqi
Published: August 2022

We propose simulating multiple graphene dynamics in a synthetic honeycomb lattice including the frequency dimension of light, with parameters flexibly controlled by external modulations, which shows the capability for complex functionalities and future quantum simulations.
Performance Assessment of Hollow Core Fibre in High-Capacity National Backbone Networks
Authors: Iqbal Md Asif , Wright Paul , Parkin Neil , Lord Andrew
Published: August 2022

We analytically compare HCF with SSMF in point-to-point core networks of BT-UK and TIM-Italy using GN model. HCF reduces line-amplifiers and high power consuming 400ZR+ links, allowing 400ZR, C+L WDM transmission at 23dBm input power.
Comparison of the full model and phase-matched model for transverse mode instability
Authors: Young Joshua T. , Menyuk Curtis R. , Hu Jonathan
Published: August 2022

We compare the full model and phase-matched model for the transverse mode instability. The phase-matched model, which requires less longitudinal discretization with less computational time, predicts the same refractive index gratings as the full model.
Increasing the power threshold in fiber amplifiers considering both the transverse mode and Brillouin instabilities
Authors: Young Joshua T. , Menyuk Curtis R. , Wei Chengli , Hu Jonathan
Published: August 2022

We study the Brillouin instability and the transverse mode instability in a combined computational model for fiber amplifiers. We find the optimal core diameter, which leads to the highest power threshold and output power.
Experimental Optimization of a High Power Fiber Laser With Raman Filter
Authors: Lin Weixuan , Desjardins-Carrière Maxime , Iezzi Victor Lambin , Vincelette André , Rochette Martin
Published: August 2022

We study the impact of inserting a chirped and tilted fiber B ragg grating in between variable lengths of oscillator and amplifier stage of a high-power fiber laser, reaching up to 2 kW in output power.
Experimental Demonstration of Generating a 10-Gbit/s QPSK Laguerre-Gaussian Beam using Integrated Circular Antenna Arrays to Tune Both Spatial Indices
Authors: Song Hao , Zhou Huibin , Zou Kaiheng , Zhang Runzhou , Su Xinzhou , Pang Kai , Song Haoqian , Duan Yuxiang , Minoofar Amir , Bock Robert , Zach Shlomo , Tur Moshe , Willner Alan E.
Published: August 2022

We experimentally generate a Laguerre-Gaussian (LG
ℓ
,
p
) beam with tunable spatial indices (LG0,0, LG0,1, LG+1,0, and LG+1,1) using integrated circular antenna arrays. A 10-Gbit/s free-space QPSK link carried by the generated LG beam is demonstrated.
Supersymmetric Microring Laser Arrays in Higher-Dimensional Space
Authors: Qiao Xingdu , Midya Bikashkali , Gao Zihe , Zhang Zhifeng , Zhao Haoqi , Wu Tianwei , Yim Jieun , Agarwal Ritesh , Litchinitser Natalia M. , Feng Liang
Published: August 2022

To achieve single fundamental supermode operation in coupled arrays, a two-dimensional supersymmetry formalism for mode control is developed and experimentally demonstrated with microring laser arrays.
Controlling Orbital Angular Momentum in Wavelength-Tunable Optofluidic Microlaser
Authors: Qiao Zhen , Chen Yu-Cheng
Published: August 2022

Optical vortices were generated based on a nanogroove-structured optofluidic microlaser, for which the topological charges, chirality, and laser wavelengths can be fully manipulated. Real-time dynamic switching of vortex beam was demonstrated through optofluidics for the first time.
Demonstration of Integrated Coupler Based on Compact Antennas for OAM Fiber Modes
Authors: de Andrade Hening A. , Pita Julián L. , de Farias Giovanni B. , Gabrielli Lucas H.
Published: August 2022

We demonstrate an integrated device in SOI platform for the coupling of OAM modes into multimode fibers. The coupler is tunable for different OAM modes with low intermodal crosstalk.
Supercontinuum Source Spanning from 5 to 30 µm in Bulk Te pumped at 10 µm
Authors: Matteo Daniel , Tochitsky Sergei , Joshi Chan
Published: August 2022

We report supercontinuum generation in a Te crystal pumped by picosecond CO2 laser pulses at intensities up to 20 GW/cm2. The effective nonlinear refractive index of Te is estimated to be 30x that of GaAs.
Ultrafast Nonlinear Optics and Mid-IR Frequency Comb Generation With Mode-Locked Cr:ZnS lasers
Authors: Vasilyev Sergey , Smolski Viktor , Peppers Jeremy , Mirov Mike , Moskalev Igor , Barnakov Yury , Muraviev Andrey , Vodopyanov Konstantin , Mirov Sergey , Gapontsev Valentin
Published: August 2022

Ultrafast lasers based on Cr2+-doped II-VI semiconductors provide a convenient way to generate optical frequency combs in a broad spectral range. We will give an overview of Cr2+- based femtosecond sources and their applications in dual-comb spectroscopy.
Third order backward second-harmonic generation in periodically poled Rb-doped KTP with a period of 317 nm
Authors: Mutter Patrick , Mølster Kjell Martin , Zukauskas Andrius , Pasiskevicius Valdas , Canalias Carlota
Published: August 2022

We demonstrate 3rd order QPM backward SHG in a bulk PPRKTP with a poling period of 317nm. This is the shortest QPM period ever fabricated. These results pave the way towards 1st order BSHG.
Denoising Temporal Sampling of Broadband Signals through an All-optical XPM-based Passive Talbot Amplifier
Authors: Fernández Manuel P. , Kaushal Saket , Bulus-Rossini Laureano A. , Costanzo-Caso Pablo A. , Azaña José
Published: August 2022

We demonstrate an XPM-based passive Talbot amplifier for noise mitigation of broadband signals that improves by more than one order of magnitude the operation bandwidth × amplification factor product (>360 GHz) of previous electro-optic implementations.
Controlling quantum fluctuations of macroscopic light with sharply nonlinear gain
Authors: Nguyen Linh , Sloan Jamison , Rivera Nicholas , Soljačić Marin
Published: August 2022

Here, we introduce a mechanism of “sharp nonlinear gain” that strongly suppresses quantum fluctuations of lasers. This effect can lead to orders-of-magnitude suppression of intensity fluctuations in real lasers, as well as macroscopic sub-Poissonian light.
Electro-optical Dual-Comb Cavity Ring-Down, Mode Width and Mode Dispersion Spectroscopy
Authors: Charczun D. , Lisak D. , Nishiyama A. , Voumard T. , Wildi T. , Kowzan G. , Brasch V. , Herr T. , Fleisher A. J. , Hodges J. T. , Ciuryło R. , Cygan A. , Masłowski P.
Published: August 2022

A versatile new spectroscopy approach is demonstrated combining the advantages of dual-comb spectroscopy with the sensitivity of cavity-enhanced techniques. A comprehensive theoretical framework and experimental demonstrations are presented, underlining the large potential of the techniques.
Rapid motion-free generation of interpulse delays for time-domain pump-probe spectroscopies with amplified fs pulses
Authors: Flöry T. , Stummer V. , Pupeikis J. , Willenberg B. , Barkauskas M. , Phillips C. R. , Keller U. , Pugžlys A. , Baltuška A.
Published: August 2022

We present a dual-channel ultrafast amplifier delivering millijoule energy with electronically tunable delay of the output pulses from femtoseconds to milliseconds with femtosecond precision. Millijoule energies allow frequency-conversion enabling numerous applications in linear and nonlinear spectroscopy.
Near-infrared Dual-comb Spectroscopy for Direct Characterization of Optical Responses in Metamaterials
Authors: Asahara Akifumi , Sugita Atsushi , Minoshima Kaoru
Published: August 2022

Near-infrared dual-comb spectroscopy is applied to observe optical responses of metamaterials. Complex transmittance spectrum of sprit-ring resonators is successfully evaluated. The developed method has a great potential as a versatile characterization tool for metamaterials.
An Accurate Methane Line List in the 7.2–8.0 µm Range from Comb-Based Fourier Transform Spectroscopy
Authors: Germann Matthias , Hjältén Adrian , Boudon Vincent , Richard Cyril , Krzempek Karol , Hudzikowski Arkadiusz , Głuszek Aleksander , Soboń Grzegorz , Foltynowicz Aleksandra
Published: August 2022

We use comb-based Fourier transform spectroscopy to record high-resolution spectra of 12CH4 and 13CH4 from 1250 to 1380 cm-1. We obtain line positions and intensities of 4 bands with uncertainties of ~450 kHz and ~3%, respectively, which we use to improve a global fit of the effective Hamiltonian.
Measurement and Assignment of Hot-Band Methane Transitions with Sub-MHz Accuracy
Authors: de Oliveira Vinicius Silva , Silander Isak , Rutkowski Lucile , Soboń Grzegorz , Axner Ove , Lehmann Kevin K. , Foltynowicz Aleksandra
Published: August 2022

We use double-resonance spectroscopy with cavity-enhanced comb probe to measure sub-Doppler transitions in the 3ν3←ν3 band of CH4. We assign the final states using different pump/probe combinations reaching the same state, and the dependence of line intensities on relative pump/probe polarization.
Effects of high-β on the stability of phase-locking in coupled semiconductor lasers
Authors: Jiang Sizhu , Deka Suruj S. , Pan Si Hui , Fainman Yeshaiahu
Published: August 2022

We observe from the bifurcation analysis that high spontaneous emission factor β contributes towards stable phase locking of two laterally coupled semiconductor lasers, with varying pump rate and non-zero frequency detuning being considered.
Phase Noise Reduction in Semiconductor Optical Amplifiers using Low-Index Quantum Barrier Structures
Authors: Arar Bassem , Elattar Mohamed , Wilkens Martin , Wicht Andreas , Crump Paul
Published: August 2022

The phase noise caused by current fluctuations in single-pass semiconductor optical amplifiers is experimentally investigated. Using low-index quantum barrier designs in prototype devices is found to reduce phase noise by 18% compared to reference designs.
Ultra-low Noise Semiconductor Lasers
Authors: Morton Paul A. , Xiang Chao , Khurgin Jacob B. , Bowers John E.
Published: August 2022

This invited paper reviews work towards creating ultra-low noise semiconductor laser sources with performance exceeding solid-state and fiber lasers, together with progress in the development of CMOS foundry Silicon Photonics versions of these devices.