bluuebunny/crossref_metadata_2025 huggingface dataset:
Measuring Propagation Loss in Slow-light Valley-Hall Photonic Topological Waveguides
Authors: Rosiek Christian Anker , Arregui Guillermo , Vladimirova Anastasiia , Albrechtsen Marcus , Lahijani Babak Vosoughi , Christiansen Rasmus Ellebæk , Stobbe Søren
Published: July 2023

We measure the propagation loss in trivial and topological slow-light guided interface modes of a valley-Hall photonic topological insulator indicating that there is no topological protection from fabrication-induced disorder.
Tunable Work Functions of Nanophotonic Components and Plasmonic Metals
Authors: Khabir K. M. , Hesami L. , Martin A. P. , Wilson J. , Noginov M. A.
Published: July 2023

We have studied control of work functions in plasmonic metals and nanophotonic components with dielectric substrates as well as with visible light. Our findings pave the road to fundamental studies and applications of light-matter interactions.
Highly efficient wide-angle blazed gratings enabled by metasurfaces
Authors: Li Chunshu , Guo Yongjun , Wang Yang , Guo Yuhao , Zhang Lin
Published: July 2023

We experimentally realize a wide-angle blazed grating based on metasurfaces, with an average efficiency of 64% over a very large incident angle range from -80° to 45°, which is unique for wide-angle functionalities.
Laser Sintering of Porous Aluminum Nitride for Environmental Applications
Authors: Rodriguez Frank , Leung James , Feng Ji , Singh Navindra , Vuong Luat T.
Published: July 2023

Aluminum nitride (AlN) is a high-bandgap, high-optical-refractive-index, electrical insulator with epsilon-near-zero behavior in the infrared atmospheric window. To-wards binderless additive manufacturing of porous AlN, we demonstrate a 370% increase in hardness through laser sintering.
Multi-Gated Photon Counting Optical Time-Domain Reflectometry
Authors: Wu Peng , Fan Yun-Ru , Song Ri-Yao , Li Bin , Wang You , Song Hai-Zhi , Deng Guang-Wei , Guo Guang-Can , Zhou Qiang
Published: July 2023

A multi-gated photon counting optical time-domain reflectometry is demonstrated. In our experiment, a 70-m-long fiber link is tested which tolerates a Fresnel reflection with 35.3 dB greater than the back scattering of Rayleigh.
Geometric Surface Reconstruction Using Optical Coherence Tomography and Dynamic Trajectories
Authors: Davis Logan , Fleddermann Roland
Published: July 2023

We use optical coherence tomography to reconstruct surface models of centimetre-scale objects using a geometric reconstruction technique with 12 micron resolution. Optimised scanning trajectories are generated automatically using visual hulls.
A Broadband RF/Microwave Field Sensor Based on Non-Resonant Field-Mixing in Rydberg Atoms
Authors: Chai Lingyun , Jones Robert R.
Published: July 2023

We present a self-calibrating broadband sensor, based on non-resonant field-mixing in Rydberg atoms in a room temperature cell, for measuring the spectral amplitude of electromagnetic fields at radio-frequency through the microwave frequencies.
Cavity-based Diamond Spin-Photon Interface in Photonic Integrated Circuits
Authors: Chen Kevin C. , Christen Ian , Raniwala Hamza , Colangelo Marco , Berggren Karl , Englund Dirk , Ben Dixon P. , Zhang Xingyu , Starling David , Shtyrkova Katia , Kharas David , Murphy Ryan , Hamilton Scott
Published: July 2023

We demonstrate heterogeneous integration of solid-state nanophotonic cavities into a scalable photonic platform as an efficient optical interface for quantum memories based on diamond color centers.
On-Chip Optical Power Monitoring of GaN-on-Si LEDs
Authors: Chang Yao-Tsu , Chang Yu-Chia , Yeh Pinghui S.
Published: July 2023

The reliability of GaN-on-Si LEDs is of concern. A p-i-n photodiode loop surrounding the LED was fabricated to monitor the LED output power by detecting some of the downward emitting light propagating through the n-GaN layer. The monitoring responsivities were approximately 52 and 66 mA/W at biases of 0 and -3 V, respectively.
High-Resolution Wideband Dual Electro-Optic Comb Spectroscopy Enabled by Tunable Optical Source
Authors: He Huan , Wei Qingyu , Zhang Mingming , Zhao Zhiyong , Fu Songnian , Tang Ming
Published: July 2023

A high-resolution dual electro-optic comb spectroscopy working in quasi-integer-ratio mode is proposed. By stepwise tuning the light source wavelength, a spectral measurement with 120-kHz resolution and 24-GHz bandwidth is demonstrated in 1.25 ms.
Accurate Underwater Optical Ranging Through Scattering Using Tunable Structured Light Carrying Two Modes for Coarse and Fine Approaches
Authors: Duan Yuxiang , Song Hao , Zhou Huibin , Jiang Zile , Zou Kaiheng , Su Xinzhou , Bock Robert , Tur Moshe , Willner Alan E.
Published: July 2023

We propose accurate underwater optical ranging using z-dependent rotation of tunable structured beams to achieve coarse and fine approaches. Simulation results show an average ranging error of <7 mm over 2 m through scattering (γ = 4 m-1).
Accelerating Deep Learning in Reconstructive Spectroscopy Using Synthetic Data
Authors: Li Pengyu , Yaras Can , Sarwar Tuba , Ku Pei-Cheng , Qu Qing
Published: July 2023

A deep learning prototype for a reconstructive spectrometer was developed using an experimentally determined spectrometer response and synthetic data generated from the response matrix. Benchmarking with synthetic and experimental data was performed.
Broadband Frequency Hopping Millimeter-Wave Generator Based on Photonic Spectrum Broadening
Authors: Liu Yuchao , Yang Fan , Yang Zhencan , Jiang Hao , Chen Feiliang , Li Mo , Zhang Jian
Published: July 2023

A W-band frequency hopping waveform generator is proposed based on photonic spectrum broadening using dual-drive Mach-Zehnder modulators. It operates at 89-105 GHz with 11 channels and a hopping bandwidth of 16 GHz.
PolMux reception using a low-cost Heterodyne Receiver for Coherent PONs
Authors: Barrio Miguel , Izquierdo David , Sevillano Pascual , Garcés Ignacio
Published: July 2023

We present a PolMux coherent heterodyne receiver with digital signal processing for Passive Optical Networks. Sensitivity achieved is better than -28 dBm after propagating through 25 km of optical fiber for 32 Gbps MultiCAP PolMux signals.
Generating Programmable Coherent Supercontinuum Sources based on Electro-optic Optical Frequency Combs
Authors: Song Minhyup , Lim Seungyoung , Choi Gyudong , Lee Taehyun , Jung Youngjin , Choi Hyunjong , Ahn Joon Tae , Song Minje
Published: July 2023

We demonstrate flat-topped supercontinuum laser sources based on electro-optic optical frequency combs, which enable to cover C-, L-, and S-band. We also clarify the coherence of supercontinuum sources by implementing the phase noise measurement.
Photonic Bragg gratings with cladding asymmetry for polarization independent and rotation filter
Authors: Pimbi Daniel , Hasan Mehedi , Mia Md Borhan , Jaidye Nafiz , Kim Sangsik
Published: July 2023

We present a single-etched polarization-independent Bragg filter using cladding asymmetry. An air cladding strongly couples TE and TM modes, rotating its polarization status and achieving polarization-insensitive Bragg reflection at the average of both Bragg wavelengths.
Highly Efficient Lasing and Thermal Properties of Tm:Y2O3 and Tm:(Y,Sc)2O3 Ceramics
Authors: Eremeev Kirill , Loiko Pavel , Maksimov Roman , Shitov Vladislav , Osipov Vladimir , Vakalov Dmitry , Lapin Viacheslav , Camy Patrice , Chen Weidong , Griebner Uwe , Petrov Valentin , Braud Alain
Published: July 2023

Thermal, spectroscopic and laser properties of transparent Tm:(Y1-xScx)2O3 sesquioxide ceramics fabricated by vacuum sintering at 1750 °C were studied. A Tm:Y2O3 ceramic laser generated 812 mW at ~2.05 µm with a slope efficiency of 72.0%.
Efficient Silicon Photonic Add-Drop Microdisk Filters for DWDM Systems
Authors: Parsons Robert , Novick Asher , Hattink Maarten , James Aneek , Rizzo Anthony , Bergman Keren
Published: July 2023

We propose add-drop microdisk filters for demultiplexing in DWDM systems and demonstrate a 41% reduction in thermal tuning energy with smaller 1.6 µm radius microdisks, requiring only 1.5 mW tuning on average.
Bandwidth enhancement with high nonlinear effect in Silicon Photonics Micro-ring Modulator
Authors: Chen Rih-You , Dong Jheng-Huei , Huang Chen-Feng , Feng Wei-Cheng , Hung Yung-Jr , Chiu Yi-Jen
Published: July 2023

A highly nonlinear effect in high optical power excitation for high-speed operation has been found in a small footprint Si photonic ring modulator. The -3dB bandwidth of 21GHz at linear region can be improved to above 40GHz and >50Gb/s by power-dependent chirp.
Ultra-compact Forward-Biased PIN Silicon Mach-Zehnder Modulator with Thermal Tuning
Authors: Dev Sourav , Singh Karanveer , Catuneanu Mircea , Vithalani Hrishikesh , Venugopalan Abhinand , Hosni Mohamed I. , Schneider Thomas , Jamshidi Kambiz
Published: July 2023

A forward-biased integrated silicon Mach-Zehnder modulator with a 50µm active phase-shifter length is presented. Using thermal tuning, a 29 dB extinction ratio enables 5 Gb/s transmission speed with a modulation efficiency (VπL) of 0.019 V.cm.
Möbius strip microlasers: Quantum chaos on curved surfaces
Authors: Bittner Stefan , Lafargue Clément , Decanini Dominique , Grigis Alain , Dietz Barbara , Zyss Joseph , Checoury Xavier , Lebental Mélanie
Published: July 2023

Möbius strip microlasers are fabricated by direct laser writing. Experiments and 3D FDTD numerical simulations evidence that laser modes propagate along periodic geodesics, a geodesic being the shortest path between two points on a surface.
Header Recognition Utilizing an All-Optical Reservoir with Delay- Bandwidth-Product-Maximized Double-Ring Resonators
Authors: Li Zheng , Li Zongze , Zhou Xiaoyan , Peng Guanju , Guo Yuhao , Xu Wenwei , Zhang Lin
Published: July 2023

The delay-bandwidth product in double-ring resonators (DRRs) is optimized using reinforcement learning. Then, the optimized DRRs are used to build an all-optical reservoir for optical packet header recognition, enabling a word-error rate as low as 9×10-4.
Quantum memory induces anomalous far off-resonant absorption suppression
Authors: Ayala Christopher , Ding Xiaoyan , Wu Qile , Pandey Ayush , Mi Zetian , Kira Mackillo , Cundiff Steven T.
Published: July 2023

Far off-resonance linear absorption in bulk gallium nitride is anomalous by orders of magnitude with respect to a Lorentzian model. Theoretical analysis shows that the suppression originates from a quantum-memory effect.
Subwavelength Diamond Grating Metawaveguides for Ring Resonator Mode Volume Reduction
Authors: Gafsi Saddam , Ryckman Judson D.
Published: July 2023

We demonstrate a nanostructured silicon photonic ring resonator configuration with diamond shape subwavelength gratings capable of reducing mode volume, V, by a factor of ~10x while maintaining high quality factors, Q > 104.
Ultrafast Excitation of Xenon in Tight and Loose Focusing Configurations
Authors: Burger M. , Latty K. S. , Hartig K. C. , Jovanovic I.
Published: July 2023

We report the spectral signatures induced by ultrafast laser excitation of Xe. There is no significant difference in the number of observable Xe transitions regardless of the focusing condition, suggesting the possibility for filamentation-based remote sensing of Xe.
Improved Terahertz Output from Layered Organic Crystal Structures
Authors: Ludlow Daisy J. , Alejandro Aldair , Petersen Paige K. , Holland Kayla M. , N’diaye Fatoumata , Manwaring Tanner , Michaelis David J. , Johnson Jeremy A.
Published: July 2023

We have improved the THz output and damage threshold of yellow organic THz generation crystals by fusing them to sapphire and using liquid crystals as index matching fluid to reduce reflective losses.
Wavelength-to-Phase Shift Keying the Master-to-Slave Injection-Locked O-band DFBLD for DPSK Link
Authors: Tsou Cheng-Lin , Cheng Chih-Hsien , Lin Gong-Ru
Published: July 2023

By master-to-slave injection-locking and wavelength-to-phase-shift-keying an O-band TO-can-packed DFBLD at 1308.396 nm, the delayed-interferometric on-off-keying with Δθ=180° is achieved via direct master modulation at ΔIpp=0.1mA/Δλ=0.4pm or ΔVpp=60.6 mV/Δλ=0 under overlapped or deviated master/slave coding, respectively.
Potassium Titanyl Phosphate Material Engineering Boosting Integrated Optical Source Performance
Authors: Eigner Christof , Padberg Laura , Quiring Viktor , Bocchini Adriana , Santandrea Matteo , Gerstmann Uwe , Schmidt Wolf Gero , Silberhorn Christine
Published: July 2023

We study the interaction of gray tracking and DC ionic conductivity in Potassium Titanyl Phosphate (KTiOPO4, KTP) and present a novel way to reduce conductivity via a potassium nitrate treatment improving the device quality.
Enhanced Control of Intermodal Coupling in Photonic Waveguides
Authors: Fried Nathaniel , Dutt Avik
Published: July 2023

We introduce a rigorous first-principles methodology to simultaneously couple multiple transverse spatial modes of multimode waveguides with arbitrary amplitudes/phases and show techniques to suppress undesired crosstalk arising from nonideal nonlinear effects by ~20 dB.
Dispersion Engineering and Low-Loss Optimization of Footprint-Efficient and Rotationally Asymmetric Resonators
Authors: Li Christy , Westly Daron , Srinivasan Kartik , Moille Grégory
Published: July 2023

We present a new method to effectively design any arbitrary bent resonator using different conformal transformation optics. We highlight our method by demonstrating optimized racetrack microresonators for both preventing avoided mode-crossing dispersion and achieving low-loss.
Highly Efficient Atmospheric Gases Detection Using Slow Light Effect Induced in Vertical Photonic Crystal Waveguide Arrays
Authors: An Yue , Jain Sourabh , Hlaing May H. , Midkiff Jason , Chen Ray T.
Published: July 2023

We present a 2D hexagonal air hole lattice photonic crystal with a slow light effect, by introducing a vertical hollow core in the center as a spectrometer to confine light in a small volume and interact with the analytes at a low group velocity. This device offers the possibility for spatial compression and room-temperature operation.
Design and Model of On-Chip Metalens for Silicon Photonics Convolutional Neural Network
Authors: Peserico Nicola , Yang Hangbo , Ma Xiaoxuan , Li Shurui , George Jonathan K. , Gupta Puneet , Wong Chee Wei , Sorger Volker J.
Published: July 2023

Convolution Neural Networks are one of the most diffuse Neural Networks. Here, we present a Silicon photonic CNN chip that leverages hardware complexity by exploiting Fourier light properties to perform convolution operations, focusing on the chip- based Fourier-lens.
Experimental demonstration of reconfigurable photonic topological phase transition with phase-change materials
Authors: Uemura Takahiro , Moritake Yuto , Yoda Taiki , Chiba Hisashi , Tanaka Yusuke , Ono Masaaki , Kuramochi Eiichi , Notomi Masaya
Published: July 2023

We experimentally demonstrated photonic topological phase transition in GST (Ge2Sb2Te5) loaded photonic crystals by using material phase transition. The band inversion, which is evidence of topological phase transition, was observed with photonic band diagram measurements.
Waveguided sources of consistent, single-temporal-mode squeezed light: the good, the bad, and the ugly
Authors: Houde Martin , Quesada Nicolás
Published: July 2023

We study how variations in pump brightness, for identical profiles, affect the temporal-mode structure of squeezed states generated by three different waveguided sources. Double-pass structures give optimal results in terms of indistinguishability and spectral purity.
Optical Vortex Generation via Nonlinear Wave Mixing of Tightly Confined Modes in Optical Nanofiber
Authors: Ha Chang Kyun , Kim Eun Mi , Moon Kyoung Jun , Kang Myeong Soo
Published: July 2023

We propose and experimentally demonstrate optical vortex generation via spin-orbit-interaction-assisted intermodally phase-matched third-harmonic generation in a silica-glass multimode adiabatic optical nanofiber. Our scheme operates with a single Gaussian pump beam and simple pump polarization control.
Organic Molecules for Photonic Quantum Technologies: an Insight into Two-Photon Interference from Distinct Emitters
Authors: Colautti Maja , Duquennoy Rocco , Emadi Ramin , Majumder Prosenjit , Lombardi Pietro , Berardi Vincenzo , Gianani Ilaria , Barbieri Marco , Toninelli Costanza
Published: July 2023

The time trace of two-photon interference from distinct molecular emitters in the solid-state is analyzed to extract their spectral difference without resorting to fitting. This opens the path towards robust on-line monitoring of quantum emitters.
Non-Hermitian selective thermal emitter for thermophotovoltaics
Authors: Prasad Ciril S. , Raphaelson Samuel C. , Naik Gururaj V.
Published: July 2023

Selective thermal emitters can boost the efficiency of heat-to-electricity conversion in thermophotovoltaic systems only if their spectral selectivity is high. We demonstrate a non-Hermitian metasurface-based selective emitter operating at 1200 K in a GaSb-thermophotovoltaic cell.
Tamm Mode-Aided Amplified Spontaneous Emission in One-Dimensional Photonic Crystal Super-Tamm Structure
Authors: S Sudha Maria Lis , Pandit Somnath , Patra Someprosad , Banerjee Debamalya , B N Shivakiran Bhaktha
Published: July 2023

The optical Tamm mode-aided amplified spontaneous emission in a super-Tamm structure consisting of a silver (Ag) thin film deposited on dye-doped polyvinyl alcohol (PVA) layer coated on a SiO2/TiO2 one-dimensional photonic crystal structure is presented.
Optomagneto control of singlet fission charge multiplication dynamics in single organic semiconductor crystals
Authors: Mayonado Gina , Zhu Fangyi , Goldthwaite Winston , Zhu Liangdong , Anthony John E. , Ostroverkhova Oksana , Graham Matt W.
Published: July 2023

Over a 0-7 T range, transient absorption microscopy on anthradithiophene organic crystals shows that singlet to triplet pair state conversion is anticorrelated with fluorescence yield. This shows how the dominant singlet fission charge multiplication pathway can be switched-off with increasing B-field or by changing the molecular packing motifs.
Femtosecond spin-to-charge current conversion in FeCo/graphene nanobilayer excited by femtosecond optical laser pulse
Authors: Komissarov I. , Cheng J. , Chakraborty D. , Chen G. , Gładczuk L. , Przysłupski P. , Prischepa S.L. , Łaszcz A. , Heidtfeld S. , Bürgler D. , Adam R. , Schneider C. M. , Mikulics M. , Hardtdegen H. , Sobolewski Roman
Published: July 2023

The generation of THz transients in a FeCo/graphene nanobilayer, excited by femtosecond optical laser pulses is demonstrated. We assign the mechanism of the THz radiation to the inverse Rashba-Edelstein effect in graphene with λREE on the order of 0.001 nm.
Sub-200 ps Quantum Network Node Synchronization over a 128 km Link White Rabbit Architecture
Authors: McKenzie W. , Li-Baboud Y.S. , Morris M. , Baumgartner G. , Rahmouni A. , Kuo P. , Slattery O. , Crabill B. , Merzouki M. , Battou A. , Gerrits T.
Published: July 2023

We show sub-200 ps synchronization between quantum networks nodes that are separated by two 64 km deployed fiber links, providing a 128 km link architecture. The architecture employs one grandmaster and two boundary White Rabbit system clocks and shows promise for metropolitan-scale quantum network node synchronization.
Compton Scattering Driven by Quantum Light
Authors: Khalaf Majed , Kaminer Ido
Published: July 2023

We solve the non-perturbative interaction of free electrons with arbitrary intense quantum electromagnetic fields and exemplify it by predicting extended spectra in Compton scattering driven by non-classical photon statistics.
Multipole Lattice Resonances in Lossy Material
Authors: Romero Amanda , Islam Md Sakibul , Babicheva Viktoriia
Published: July 2023

We report on an observation of the generalized lattice Kerker effect in a nickel nanoparticle array and show that collective coupling can substantially enhance the electric dipole and quadrupole resonances.
Non-Hermiticity-Governed Active Photonic Resonances
Authors: Rivero Jose D. H. , Pan Mingsen , Makris Konstantinos G. , Feng Liang , Ge Li
Published: July 2023

We depart from the notion of passive photonic resonance to study unique quantization conditions for non-Hermitian systems that lead to a novel type of resonance whose frequency shifts over wide ranges as optical gain increases.
Properties of GaSb-based 1.5 µm Quantum Dot Emitters
Authors: Hakkarainen Teemu , Hilska Joonas , Chellu Abhiroop , Leguay Lucie , Luna Esperanza , Schliwa Andrei , Guina Mircea
Published: July 2023

Epitaxial fabrication, energy structure, and emission properties of GaSb quantum dots formed by filling droplet-etched nanoholes are presented. These quantum-photonics building blocks emit at 1.5 µm enabling wavelength compatibility with fiber optics and Si-photonics.
Quantum Dot-based Generation of Orbital Angular Momentum Entangled States
Authors: Suprano Alessia , Zia Danilo , Pont Mathias , Giordani Taira , Rodari Giovanni , Valeri Mauro , Piccirillo Bruno , Carvacho Gonzalo , Spagnolo Nicoló , Senellart Pascale , Marrucci Lorenzo , Sciarrino Fabio
Published: July 2023

The on-demand generation of orbital angular momentum entangled states is a pivotal task in quantum information. Here, we investigated it both in the inter- and intraparticle regime producing single photons via a quantum dot source.
Stabilization of fiber-based interferometer with single photons
Authors: Spiess Christopher , Del Campo Luis Javier González Martin , Villamizar Nicolas Eduardo Tangarife , Steinlechner Fabian
Published: July 2023

Stabilizing fiber-based interferometers is a challenge. Here we show a visibility of 0.96 ±0.03 (phase resolution σλ = 0.012λ) by only single-photon processing with fiber phase variations of 230°/s. Applications range from coherent optical communication to advanced quantum communication protocols.
Edge state optical frequency combs in the microresonator based Su-Schrieffer-Heeger model
Authors: Tusnin Aleksandr , Ji Xinru , Stroganov Anton , Tikan Alexey , Kippenberg Tobias J.
Published: July 2023

We demonstrate the first observation of optical frequency combs at the edge state of the Su-Schrieffer-Heeger model. We show soliton-induced edge-bulk interaction and edge-state hopping.
Resonant Spectroscopy of Blue Quantum Emitters in Hexagonal Boron Nitride
Authors: Horder Jake , White Simon J. U. , Gale Angus , Li Chi , Watanabe Kenji , Taniguchi Takashi , Kianinia Mehran , Aharonovich Igor , Toth Milos
Published: July 2023

A site-specific fabrication technique was used to produce arrays of blue quantum emitters in hBN for a cryogenic spectroscopy study. We characterise temperature dependent linewidth, identify processes that limit emitter coherence, and observe Rabi oscillations.
How can (TD-)DFT improve multi-scale optical simulations of novel nano-materials and devices?
Authors: Krstić Marjan , Holzer Christof , Zerulla Benedikt , Beutel Dominik , Li Chun , Heinke Lars , Wöll Christof , Fernandez-Corbaton Ivan , Rockstuhl Carsten
Published: July 2023

T-matrices of molecular materials, expressing their scattering properties, can be constructed from precise quantum-chemical calculations, enabling the use of efficient Maxwell solvers for multi-scale simulations of optical devices built from new materials.
Electrically Tunable Single Photon Brightness and Purity in Multilayer GaSe
Authors: Luo Weijun , Puretzky Alexander , Lawrie Benjamin , Ling Xi
Published: July 2023

We control the purity, lifetime, and brightness of strain-localized GaSe single photon emitters with electrostatic doping. At the charge neutrality point, these parameters are improved by 50%, 21%, and 43% respectively compared to ungated emitters.
Rapid and robust quantum logic gates using inertial STIRAP
Authors: Turyansky Dainel , Ovdat Oded , Dann Roie , Kosloff Ronnie , Dayan Barak , Pick Adi
Published: July 2023

We present an inertial protocol for STIRAP-based single- and two-qubit quantum logic gates. Our protocol achieves an order-of-magnitude lower infidelity compared to existing protocols. A similar approach can be used to improve any adiabatic protocol.
Negative Quasiprobabilities Enhance Phase Estimation in Quantum-Optics Experiment
Authors: Yilmaz Y. Batuhan , Lupu-Gladstein Noah , Arvidsson-Shukur David R. M. , Brodutch Aharon , Pang Arthur O. T. , Steinberg Aephraim M. , Halpern Nicole Yunger
Published: July 2023

Uncertainty principles limit measurement precision, via operator noncommutation. Wielded correctly, noncommutation can boost precision. We relate metrological enhancement with negative quasiprobabilities, quantum extensions of probabilities. In a phase measurement, we amplify the precision per detected photon by two orders of magnitude.
Nonreciprocal transmission through metasurfaces with phase transition materials
Authors: Tripathi Aditya , Ugwu Chibuzor Fabian , Asadchy Viktar S. , Kravchenko Ivan , Fan Shanhui , Kivshar Yuri , Valentine Jason , Kruk Sergey S.
Published: July 2023

We demonstrate nonreciprocal one-way transmission through a half-a-micron-thick nonlinear silicon-VO2 metasurface for low-power CW excitation. Reciprocity is broken by optically self-induced phase transition of VO2 occurring at different intensities for the opposite directions of illumination.
Universal quantum computing with anharmonic photonic cavities and free- electron ancillas
Authors: Karnieli Aviv , Tsesses Shai , Yu Renwen , Rivera Nicholas , Arie Ady , Kaminer Ido , Fan Shanhui
Published: July 2023

We propose and analyze a new paradigm for optical quantum computation using anharmonic photonic cavity qubits and free-electron ancillas. Our approach enables deterministic, high-fidelity quantum gates and preparation of cluster states between remote cavities.
Anyonic two-photon coincidence statistics in birefringent waveguide circuits
Authors: Ehrhardt Max , Heinrich Matthias , Szameit Alexander
Published: July 2023

We synthesize fractional coincidence statistics for photon pairs in laser-written waveguide networks. To this end, we show that arbitrary exchange phases can be created by tailoring waveguides birefringence and an appropriate choice of input polarizations.
Non-Gaussian State Generation Using A Photon Detector With Finite Timing Jitter
Authors: Sonoyama Tatsuki , Asavanant Warit , Takase Kan , Fukui Kosuke , Endo Mamoru , Yoshikawa Jun-ichi , Furusawa Akira
Published: July 2023

We formulate for the first time the effect of photon detector's timing jitter on non-Gaussian state generation. As a result, we obtain the quantitative relation between the jitter and the fidelity of the generated state.
Non-Hermitian Chirality and Topological Properties of Graphene-loaded Photonic Crystals
Authors: Satoshi Suzuki , Otsuka Shutaro , Moritake Yuto , Yoda Taiki , Uemura Takahiro , Ono Masaaki , Kuramochi Eiichi , Notomi Masaya
Published: July 2023

Using the symmetry control of graphene-loaded non-Hermitian photonic crystals, we demonstrate non-Hermitian chirality of polarization conversion originating from exceptional points. Theoretical and experimental results clarify momentum-space dynamics of non- Hermitian chirality and topological properties.
Dynamic range linearization for chip-scale laser optomechanical inertial sensing
Authors: Flores Jaime Gonzalo Flor , Nasseraddin Connor , Yerebakan Talha , Matsko Andrey , Wong Chee Wei
Published: July 2023

Here we present an optomechanical inertial accelerometer with resonant frequency readout, where the transducer's core photonic crystal has been designed to provide linear input-output dependence, which is further enhanced by our integrated linearization model.
A Novel and Convenient Experimental Verification of Lasing in High-β Lasers
Authors: Koulas-Simos Aris , Buchgeister Joel , Drechsler Monty L. , Zhang Taiping , Laiho Kaisa , Sinatkas Georgios , Xu Jialu , Lohof Frederik , Kan Qiang , Zhang Ruikang K. , Jahnke Frank , Gies Christopher , Chow Weng W. , Ning Cun-Zheng , Reitzenstein Stephan
Published: July 2023

A Lorentzian-to-Gaussian lineshape transition is investigated in an InP-based silver-coated nanolaser with verified lasing operation. The effect stems from cavity eigenmodes extending into free space and serves as a convenient lasing indicator for high-β nanolasers.
Fabrication Process to Minimize Physical Volume of Surface Plasmon Nanolasers
Authors: Cheung Wing-Sing , Huang I-Tsung , Wu Zong-Yu , Hsu Hsu-Cheng , Chou Yu-Hsun
Published: July 2023

This study used a lift-off process to minimize a surface plasmon laser composed of ZnO nanowires and aluminum. We successfully achieved lasing of a substrate-free nanolaser and reduced the device thickness to 200 nm.
Polarization-entangled sources using waveguide-coupled two-microring-resonators in a silicon nitride platform
Authors: Zhang Qianni , Wu Kaiyi , Poon Andrew W.
Published: July 2023

We demonstrate polarization-entangled photon-pairs in a Si3N4 platform adopting a single-waveguide-coupled two-microring-resonators structure. We design different microring parameters to obtain indistinguishable orthogonally polarized photon-pairs in the spectral domain. The measured visibility is ~ 85%.
Deterministic single-photon generation by strong coupling of slow free electrons and an optical cavity
Authors: Karnieli Aviv , Fan Shanhui
Published: July 2023

We show that single photons can be deterministically generated by slow free-electrons experiencing large quantum recoil. The free-electron-photon interaction can then be described by an effective Jaynes-Cummings model in a strong coupling regime.
Free-electron-based interferometry for enhanced, phase-resolved near-field imaging
Authors: Bucher Tomer , Ruimy Ron , Dahan Raphael , Tsesses Shai , Bartal Guy , Vanacore Giovanni Maria , Kaminer Ido
Published: July 2023

We propose a novel scheme for phase-resolved near-field imaging using free electrons. Our scheme relies on algorithmic extraction of the complex-valued electron-field coupling. Pre-shaping the electron wavefunction facilitates superior sensitivity relative to the state-of-the-art.
Two-Dimensional Electronic Spectroscopy of Strong Exciton-Surface Plasmon Polariton Coupling
Authors: Timmer Daniel , Gittinger Moritz , Quenzel Thomas , Stephan Sven , Zablocki Jennifer , Lützen Arne , Zhong Jin-Hui , Silies Martin , De Sio Antonietta , Lienau Christoph
Published: July 2023

Strong exciton-plasmon-couplings are investigated using two-dimensional electronic spectroscopy, revealing Rabi oscillations of polariton cross-peaks and accessing two-quantum excitations. Coherent population oscillations between excitons that are strongly and weakly coupled to the plasmonic field are demonstrated.
Coherent Light Emitters Using Quasi-Bound States in the Continuum
Authors: Farazi Soheil , Tadigadapa Srinivas
Published: July 2023

We introduce a new class of coherent light emitters in the mid-infrared (MIR) range using quasi-bound states in the continuum (Q-BICs). The emitter is fabricated on a phononic substrate and supports the Friedrich-Wintgen interfering resonances.
High Resolution On-Chip Thin-Film Lithium Niobate Single-Photon Buffer
Authors: Ekici Cagin , Yu Yonghe , Adcock Jeremy C. , Muthali Alif Laila , Tan Heyun , Li Hao , Oxenløwe Leif Katsuo , Cai Xinlun , Ding Yunhong
Published: July 2023

We experimentally demonstrate a room-temperature, voltage controlled, shortterm quantum photonics memory on a lithium niobate chip. Our chip is capable of resolving 100 ps time steps with 0.74 dB loss per round-trip.
Vibrational exciton nanoscopy: a molecular ruler to image structure, coupling, and disorder on their elementary scales
Authors: Puro Richard L. , Gray Thomas P. , Muller Eric A. , Raschke Markus B.
Published: July 2023

We develop a new method of high-resolution infrared nano-spectroscopy based on intermolecular vibrational wavefunction delocalization to image previously inaccessible structural disorder in functional materials on the molecular scale.
Complex Transformation of Ultrafast Pulses using Dielectric Metasurfaces
Authors: Chen Lu , Zhu Wenqi , Kaassamani Shatha , Huo Pengcheng , Song Junyeob , Wang Zi , Xu Ting , Agrawal Amit
Published: July 2023

Dielectric-metasurface-enabled pulse shaper provides a versatile platform for custom engineering the spatiotemporal evolution of ultrafast optical pulses. Here, we investigate its ability to perform complex optical transformations, such as mathematical operations, on femtosecond timescale pulses.
Upper Bounds on Reflective Metasurfaces
Authors: Abdelrahman Mohamed Ismail , Monticone Francesco
Published: July 2023

Universal bounds for maximal reflected power from planar structures are identified for any direction and polarization. Examples are given of the implications of these results for the design of ultra-thin reflectors and metasurface-based reflective gratings.
The Effective Permittivity of an Isotropic Composite Material
Authors: Narimanov Evgenii E.
Published: July 2023

We present the solution to the long-standing problem of calculating the universal contribution to the effective dielectric permittivity of an arbitrary isotropic composite material.
Clocking Correlations between Bloch Electrons on the Attosecond Time Scale
Authors: Freudenstein Josef , Borsch Markus , Meierhofer Manuel , Afanasiev Dmytro , Schmid Christoph P. , Sandner Fabian , Liebich Marlene , Girnghuber Anna , Knorr Matthias , Kira Mackillo , Huber Rupert
Published: July 2023

Multi-terahertz fields force electron-hole pairs in semiconductors onto closed recollision paths. Precisely clocking these trajectories reveals first-ever attosecond signatures of many-body correlations between delocalized Bloch electrons, opening unprecedented views of quantum dynamics and phase transitions.
Fulfilling entanglement’s optimal advantage via converting correlation to coherence
Authors: Shi Haowei , Zhang Bingzhi , Zhuang Quntao
Published: July 2023

Entanglement boosts performance limits in sensing and communication even in noisy environments. We propose a conversion module to transform quantum correlation to coherent quadrature displacement, fulfilling the optimal receiver for quantum illumination and entanglement-assisted communication. [1]
Nonreciprocal convective flow induced by plasmonic nanostructures
Authors: Jing Zhimin , Neogi Arup , Wang Zhiming
Published: July 2023

Nonreciprocal manipulation of thermal convection flow is achieved using plasmonic dual-layered asymmetric nanostructures with asymmetric heat transfer paths.
Site-controlled QD embedded coupled photonic crystal cavity waveguides for on-chip photon routing
Authors: Huang Jiahui , Liu Wei , Miranda Alessio , Dwir Benjamin , Rudra Alok , Kapon Eli , Wong Chee Wei
Published: July 2023

We demonstrate the on-chip photon routing on a site-controlled quantum dots embedded W1 photonic crystal waveguides side coupled to a L3 cavity. Observed photon propagation through the device indicates the connectivity of all photonic elements.
Quantum-Dot Single-Photon Sources Processed on Silicon-Nitride Integrated Circuits
Authors: Faurby Carlos F. D. , Wang Ying , Paesani Stefano , Ruf Fabian , Volet Nicolas , Heck Martijn J.R. , Wieck Andreas D. , Ludwig Arne , Midolo Leonardo , Lodahl Peter
Published: July 2023

We couple single photons from a quantum dot source to Silicon Nitride integrated photonic circuits and show several applications: multiphoton interfence, entanglement generation and quantum error mitigation. The results open new paths for heteroge-neous integrated quantum photonics at scale.
VLSI Quantum Graph Photonics
Authors: Fu Z. , Bao J. , Pramanik T. , Mao J. , Chi Y. , Cao Y. , Zhai C. , Mao Y. , Dai T. , Chen X. , Jia X. , Zhao L. , Zheng Y. , Tang B. , Li Z. , Luo J. , Wang W. , Yang Y. , Peng Y. , Liu D. , Dai D. , He Q. , Muthali A. , Oxenløwe L. , Vigliar C. , Paesani S. , Hou H. , Santagati R. , Silverstone J. , Laing A. , Thompson M. , O’Brien J. , Ding Y. , Gong Q. , Wang J.
Published: July 2023

We report a graph-based very-large-scale-integrated silicon-photonic quantum chip. Having the correspondence between quantum chip and graph theory, we demonstrate the generation of multiphoton multidimensional entanglement and determination of modulussquared Hafnian (Permanent) of graph’s adjacency matrices.
Quantum nondemolition measurements with optical parametric amplifiers for ultrafast quantum information processing
Authors: Yanagimoto Ryotatsu , Nehra Rajveer , Hamerly Ryan , Ng Edwin , Marandi Alireza , Mabuchi Hideo
Published: July 2023

We show that quantum nondemolition measurements using an optical parametric amplifier can be a universal tool for ultrafast quantum information processing, enabling, photon-number-resolving measurements and deterministic generation of Gottesman-Kitaev-Preskill (GKP) states.
Maximizing the Signal in Nonlinear Beam-Deflection
Authors: Faryadras Sanaz , Van Stryland Eric , Hagan David
Published: July 2023

We calculate how the Beam-Deflection signal for determining nonlinear refraction is maximized at a specific spatial displacement between probe and excitation beams while varying their spot size ratio.
Tunable single photons from an artificial atom in silicon photonics
Authors: Tang Yu-Lung , Komza Lukasz , Samutpraphoot Polnop , Song Hanbin , Odeh Mutasem , Mathew Milena , Chang Jiu , Zhang Zi-Huai , Sipahigil Alp
Published: July 2023

We characterize coherence of single photons emitted from a G center in a silicon waveguide. We present progress towards lifetime-limited and frequency-tunable single photon emission via electrical tuning.
Time-Refraction Optics at Single Cycle Modulation
Authors: Lustig Eran , Segal Ohad , Saha Soham , Bordo Eliyahu , Chowdhury Sarah N. , Sharabi Yonatan , Fleischer Avner , Ozlu Mustafa , Boltasseva Alexandra , Cohen Oren , Shalaev Vladimir M. , Segev Mordechai
Published: July 2023

We present an experimental study of optical time-refraction in single-cycle time-interfaces. Specifically, we study the propagation of a probe pulse through a sample undergoing large refractive index changes induced by an intense ultra-short modulator pulse.
Time-Refraction with Moving Time-Interfaces
Authors: Segal Ohad , Lustig Eran , Saha Soham , Bordo Eliyahu , Chowdhury Sarah N. , Cohen Moshe-Ishay , Fleischer Avner , Ozlu Mustafa , Boltasseva Alexandra , Cohen Oren , Shalaev Vladimir M. , Segev Mordechai
Published: July 2023

We present an experimental study of time-refraction with propagating time-interfaces. We observe the special spectral signature of time-reflections generated by these interfaces, paving the way for their experimental demonstration in the optical regime.
Continuous-Variable Nonclassicality Detection under Coarse-Grained Measurement
Authors: Roh Chan , Yoon Young-Do , Park Jiyong , Ra Young-Sik
Published: July 2023

We experimentally detect the nonclassicality of continuous-variable quantum states under coarse-grained measurement. Furthermore, we show that the coarse-grained measurement generally outperforms the ideal fine-grained measurement in nonclassicality detection.
Predicting the interplay between second- and third-order nonlinear interaction in periodically-poled nanophotonic waveguides using machine learning
Authors: Lauria Simone , Saleh Mohammed F.
Published: July 2023

We have developed a recurrent neural network that efficiently simulates the unidirectional pulse propagation equation. The model is validated via predicting complex nonlinear interactions in a periodically poled nanophotonic LiNbO3 waveguide.
Enhanced self-phase modulation and supercontinuum generation in silicon nitride waveguides with graphene oxide films
Authors: Zhang Yuning , Wu Jiayang , Yang Yunyi , Qu Yang , Jia Linnan , Dirani Houssein El , Kerdiles Sébastien , Sciancalepore Corrado , Demongodinc Pierre , Grillet Christian , Monat Christelle , Jia Baohua , Moss David J.
Published: July 2023

We demonstrate enhanced self-phase modulation and supercontinuum generation with short optical pulses at high peak powers in silicon nitride waveguides integrated with two-dimensional (2D) layered graphene oxide films.
Few-cycle, high power, high repetition rate Yb laser source based on multidimensional solitary states in hollow-core fibers
Authors: LONGA A. , ARIAS L. , JARGOT G. , POMERLEAU A. , LASSONDE P. , FAN G. , SAFAEI R. , CORKUM P. B. , BOSCHINI F. , IBRAHIM H. , LÉGARÉ F.
Published: July 2023

We demonstrate pulse compression from 300 fs down to 17 fs up to 20 kHz using multidimensional solitary states in a hollow-core fiber filled with molecular gas in differential pressure to mitigate thermal effects.
Configuration-dependent SHG Behaviors of Doubly SP-Resonant Asymmetric Al Nanorod Dimers
Authors: Sugita Atsushi , Tamotsu Sohta
Published: July 2023

We present SHG behaviors of doubly SP resonant asymmetric Al nanorod dimers. Appropriate arrangements of two nanorods enable us to exert active controls of SHG conversion efficiencies, form of nonlinear susceptibility tensors, and circular dichroism.
Photothermal nonlinearity in photocatalysis
Authors: Un Ieng Wai , Dubi Yonatan , Sivan Yonatan
Published: July 2023

We study the importance of nonlinear photothermal effects in plasmon-assisted photocatalysis and show that any claim for dominance of non-thermal electrons in plasmon-assisted photocatalysis must account for this photothermal nonlinear mechanism.
Non-Hermitian Band Structure of Photonic Temporal Crystals
Authors: Park Jagang , Cho Hyukjoon , Lee Seojoo , Lee Kyungmin , Lee Kanghee , Park Hee Chul , Ryu Jung-Wan , Park Namkyoo , Jeon Sanggeun , Min Bumki
Published: July 2023

We experimentally confirm the non-Hermitian band structures of a photonic temporal crystal in the microwave. These non-Hermitian band structures are shown to be two measurable distinct subsets of complex eigenfrequency surfaces defined in complex momentum space.
Soliton glasses in Fabry-Perot resonators
Authors: Young Joshua T. , Puckett Matthew , Courtright Logan , Shandilya Pradyoth H. , Keber Grace C. , Cundiff Steven , Wu Jianfeng , Nelson Karl D. , Hoyt Chad , Hu Jonathan , Menyuk Curtis R.
Published: July 2023

We study novel soliton glass frequency combs to a modified Lugiato-Lefever Equation (LLE) that include cross-phase modulation within a Fabry-Perot resonator. Soliton glasses are characterized by stable, spatially locked, phase-locked, and randomly spaced soliton pulses.
Subwavelength-Modulated Waveguides for Phase-matching Photons and Low-Energy Electrons
Authors: Ates Omer Emre , Putnam William P.
Published: July 2023

We investigate dielectric waveguides with subwavelength-scale modulation for applications in free-electron-photon interactions. We show that such waveguides are capable of supporting low-loss modes that can efficiently couple to co-propagating, <10-keV electrons.
Multidirectional Visible Flatband Dispersion in Lieb Lattice Metasurfaces
Authors: Munley Christopher , Manna Arnab , Sharp David , Choi Minho , Majumdar Arka
Published: July 2023

A Lieb lattice with vertical symmetry breaking, implemented in a free-space accessible metasurface, hosts photonic flatband dispersion in multiple dimensions, opening new possibilities in imaging and optical processing.
Polarization Independent Quasi-BIC Resonances in Silicon Metasurfaces with Double Asymmetry
Authors: Bag Urmila , Lal Krishna A.S. , Jyothsna K.M. , Raghunathan Varun
Published: July 2023

Design and experimental demonstration of polarization-independent quasi-BIC resonances at 3.5 μm wavelength in silicon metasurfaces with double-asymmetric unit-cells are presented. Polarization-independent wavelength conversion from mid infrared to visible using resonant four-wave mixing is also demonstrated.
Topology-Preserving Nonlinear Structured Light Generation from All-Dielectric Metasurfaces
Authors: Gao Jiannan , Tsvetkov Dmitrii , Pires Danilo Gomes M , Xu Yun , Kravchenko Ivan , Feng Liang , Litchinitser Natalia M.
Published: July 2023

We experimentally demonstrate the simultaneous generation of phase-locked structured light beams, including optical vortices, Hopf links, and trefoil knots at fundamental and tripled frequencies in all-dielectric nonlinear optical metasurfaces.
Carrier Envelope Phase Dependence of High-Order Harmonic Generation from ZnO
Authors: Journigan Troie , Liu Yangyang , Cabello Christian , Truong Tran Chau , Khatri Dipendra , Berriel S Novia , Banerjee Parag , Chini Michael
Published: July 2023

We study the carrier-envelope phase (CEP) dependence of high-order harmonics generated in bulk ZnO crystals. The CEP dependence measured for laser polarization oriented parallel to and perpendicular to the c-axis exhibit different periodicities.
High energy-resolution transient ghost absorption spectroscopy
Authors: Tripathi A. K. , Klein Y. , Strizhevsky E. , Capotondi F. , Angelis D. D. , Giannessi L. , Pancaldi M. , Pedersoli E. , Prince K. C. , Sefi O. , Kim Y. Y. , Vartanyants I. A. , Shwartz S.
Published: July 2023

We utilize ghost spectroscopy for the measurement of photo-induced ultrafast dynamics using self-amplified spontaneous emission from free-electron lasers. We show that the spectral resolution is sufficient to detect small shifts in the L-edge of silicon.
Control of THz Emission in Exchange-Coupled Spintronic Emitters
Authors: Adam Roman , Cao Derang , Bürgler Daniel E. , Heidtfeld Sarah , Wang Fangzhou , Greb Christian , Chen Genyu , Cheng Jing , Chakraborty Debamitra , Büscher Markus , Mikulics Martin , Hardtdegen Hilde , Sobolewski Roman , Schneider Claus M.
Published: July 2023

Optically triggered THz transient intensity can be precisely controlled by the interlayer exchange coupling between two closely spaced spin emitters. We ascribe this excellent tunability to the constructive and destructive interference of the THz signal generated by the individual spin emitters.
Fermi edge singularity in photoluminescence excitation spectra of neutral ultracold electron-hole system
Authors: Choksy D.J. , Szwed E.A. , Butov L.V. , Baldwin K.W. , Pfeiffer L.N.
Published: July 2023

We observed a strong enhancement of spatially direct absorption at the Fermi energy of ultracold electron-hole system in separated electron and hole layers, evidencing Fermi-energy excitons. Absorption was probed by photoluminescence excitation spectroscopy.
Bayesian Optimization for Nested Adversarial Variational Autoencoder in Tunable Nanophotonic Device Design
Authors: Koike-Akino Toshiaki , Jung Minwoo , Chakrabarty Ankush , Wang Ye , Kojima Keisuke , Brand Matthew
Published: July 2023

We propose a device design framework based on Bayesian optimization for efficient latent sampling of adversarial generative neural networks to expedite inverse design of tunable nanophotonic wavelength splitters. The resulting design operates at broadband telecomm-wavelengths and is electrically switchable via liquid crystal tuning.
Photonic Advantage of Optical Encoders
Authors: Huang Luocheng , Mukherjee Saswata , Tanguy Quentin , Fröch Johannes , Majumdar Arka
Published: July 2023

This research presents an optical/digital hybrid ANN which demonstrates a "photonic advantage" in intermediate classification accuracy over pure electronic ANNs with the same power and latency. The optical encoder uses incoherent light which is suitable for operation in ambient light with no additional optical power needed. Further research is needed to explore its efficiency in more complicated datasets, training algorithms, and nonlinear activation in the optical domain.
A Multi-Scale Approach to Simulate Molecules in Complex Photonic Devices
Authors: Zerulla Benedikt , Krstić Marjan , Beutel Dominik , Holzer Christof , Wöll Christof , Rockstuhl Carsten , Fernandez-Corbaton Ivan
Published: July 2023

We present a novel multi-scale approach for obtaining the optical response of molecular structures inside photonic devices from first principles. The approach combines quantum-chemical computations with rigorous Maxwell solvers.
Deep Learning Control of Reconfigurable Metasurface for Real-time Holographic Beam Steering
Authors: Ma Hyunjun , Park Q-Han
Published: July 2023

We present a reconfigurable metasurface that generates a far-field map using deep learning combined with a scattering equation in Born approximation. Our algorithm enables a real-time generation of holographic beaming with a microsecond-order generation time.