bluuebunny/crossref_metadata_2025 huggingface dataset:
Rydberg excitation efficiency in nitric oxide using a three photon excitation scheme
Authors: Munkes Fabian , Kaspar Patrick , Trachtmann Alexander , Schellander Yannick , Anschütz Florian , Eder Ettore , Baumgärtner Lars , Hengel Philipp , Anders Jens , Fruehauf Norbert , Löw Robert , Pfau Tilman , Kübler Harald
Published: September 2024

We proposed a working principle for a trace–gas sensor for nitric oxide based on an electronic readout. Here, we report on the parameter sweet spots of pressure, electric field and laser intensities.
Fully Integrated Gated InAs Quantum Dots with Surface Acoustic Wave Cavities
Authors: Wang Zixuan , DeCrescent Ryan A. , Imany Poolad , Bush Joseph T. , Mirin Richard P. , Silverman Kevin L.
Published: September 2024

We demonstrate a fully integrated opto-mechanical system with gated InAs quantum dots and surface acoustic wave cavities. This system shows narrow optical linewidths of 640 MHz while maintaining excellent mechanical quality factors of 20,000.
Observation of depth-dependent modification in local density of states in shallow color centers in diamond
Authors: Zahedian Maryam , Vidrio Ricardo , Kolkowitz Shimon , Choy Jennifer T
Published: September 2024

Nitrogen-vacancy (NV) centers in diamond are highly promising for applications such as magnetic field and temperature sensing. Precise determination of NV depth within the diamond is crucial for optimizing its performance. Current depth characterization methods are often destructive or require complex procedures. In this study, we present experimental validation of a numerical model, which establishes a correlation between the radiative lifetime of NVs and their depth from the diamond interface.
Intracavity Quantum Dynamics and Tomography in a Biased Optical Parametric Oscillator
Authors: Salamin Yannick , Choi Seou , Roques-Carmes Charles , Sloan Jamison , Horodynski Michael , Soljačić Marin
Published: September 2024

We present a method for reconstructing intracavity dynamics of an optical parametric oscillator and performing cavity quantum tomography. Our approach involves evaluating the sensitivity of the bistable oscillator’s output to a bias field.
Pulse Characterization by spectral correlation function measurement with a quantum pulse gate
Authors: Bhattacharjee Abhinandan , Serino Laura , Folge Patrick , Brecht Benjamin , Silberhorn Christine
Published: September 2024

We measure the two-point spectral correlation function to completely characterize an ultrafast pulse with arbitrary level of coherence using a quantum pulse gate. Our method is readily applicable to single-photon pulses.
Experimental observation of propagation of off-Γ BIC in 1D grating structures
Authors: Hamaya Komei , Moritake Yuto , Yoda Taiki , Ono Masaaki , Kuramochi Eiichi , Notomi Masaya
Published: September 2024

We directly observed propagation of off-Γ bound states in the continuum (BIC) in gratings in the near-infrared region. Millimeter-scale long propagation and unique self-collimation behavior were observed, which explained by high Q-factor of off-Γ BIC.
Free-space electro-optic modulators using high quality factor silicon on lithium niobate metasurfaces
Authors: Dagli Sahil , Balch Halleh , Delgado Hamish Carr , Abdollahramezani Sajjad , Dixon Jefferson , Dolia Varun , Song Jung-Hwan , Klopfer Elissa , Hu Jack , Ogunlade Babatunde , Dionne Jennifer
Published: September 2024

We present electro-optically tunable high quality factor metasurfaces using a silicon on lithium niobate platform. Using electrically biased guided mode resonant nanoantennas, our metasurface modulates the amplitude of telecom light in the >100 MHz range.
Multiplex Immunoassays Enabled by Pixelated High-Quality Factor Metasurfaces and Acoustic Bioprinting
Authors: Abdollahramezani Sajjad , Safir Fareeha , Moradifar Parivash , Dagli Sahil , Dolia Varun , Hu Jack , Delgado Hamish Carr , Chang Kai , Khuri-Yakub Butrus T. , Dionne Jennifer
Published: September 2024

We demonstrate a compact multiplex immunoassay platform by leveraging ultra-densely-pixelated high-quality factor metasurfaces, acoustic bioprinting of surface chemistry, and hyperspectral imaging for the rapid detection of multiple proteins with high sensitivity and specificity.
Threshold Quantum State Tomography
Authors: Binosi Daniele , Maragnano Diego , Garberoglio Giovanni , Dapor Maurizio , Liscidini Marco
Published: September 2024

We introduce a new approach to quantum state tomography (QST) in which the number of measurements can be dramatically smaller than in traditional QST without compromising fidelity. We show experimental results up to 7 qubits.
Bright-dark pulses in coupled ring lasers
Authors: Letsou Theodore P. , Kazakov Dmitry , Ratra Pawan , Columbo Lorenzo L. , Cin Sandro Dal , Opačak Nikola , Piccardo Marco , Schwarz Benedikt , Capasso Federico
Published: September 2024

Coupling semiconductor laser together unlocks new optical states unstable in uncoupled lasers. Here, we present one such state which manifests itself as a pair of bright and dark optical pulses.
Tunable Brillouin-based Microwave Photonic Bandpass Filter with sub-MHz Bandwidth
Authors: Xu Wendao , Zerbib Maxime , Iyer Arjun , Beugnot Jean-Charles , Renninger William H.
Published: September 2024

A continuously tunable microwave-photonic filter with ultranarrow bandwidth is enabled by forward inter-modal Brillouin interactions with a fundamental acoustic mode of a fiber taper. Sub-MHz bandwidth is demonstrated over >10 GHz, limited by current components.
Temporal Knife-Edge: Epsilon-near-zero Characterization Tool
Authors: Ball Adam , Secondo Ray , Fomra Dhruv , Wu Jingwei , Saha Samprity , Kinsey Nathaniel
Published: September 2024

Using the nonlinear optical characterization technique beam deflection, we utilize an off-axis excitation scheme in order to characterize input pulses for their temporal and spatial widths, angle, and relative offset with femtosecond and micron resolution.
Enhancement and Wavefront Control of Third Harmonic Generation with a Local High-Q Metasurface
Authors: Hail Claudio U. , Michaeli Lior , Atwater Harry A.
Published: September 2024

We report on simultaneous strong enhancement and local spatial control of the third harmonic generation process using high-Q metasurfaces relying on higher-order Mie-resonant modes.
High-Efficiency High-NA Metalens Designed by Maximizing the Efficiency Limit
Authors: Li Shiyu , Lin Ho-Chun , Hsu Chia Wei
Published: September 2024

We identify optimal system parameters that maximize the upper limit of transmission efficiency and then perform inverse design to find high-NA wide-field-of-view metalenses with a record-high efficiency (98% transmission, 92% Strehl ratio, NA = 0.9).
Nonlinearity-controlled Non-Hermitian Topological Phase Transitions
Authors: Dai Tianxiang , Ao Yutian , Mao Jun , Yang Yan , Zheng Yun , Zhai Chonghao , Li Yandong , Yuan Jingze , Tang Bo , Li Zhihua , Luo Jun , Wang Wenwu , Hu Xiaoyong , Gong Qihuang , Wang Jianwei
Published: September 2024

We observe nonlinearity-driven fast NH phase transitions in a photonic Floquet topological insulator on a silicon chip. Light that was in a forbidden bandgap can now be transported along a topological gain-loss junction at which a nonlinearity-controlled NH phase transition occurs.
A Simple Optomechanical Platform with Ultra-Wide Phonon-Frequency Tunability
Authors: Iyer Arjun , Xu Wendao , Pomerantz Michael , Renninger William H.
Published: September 2024

Phonon-frequency-tunable optomechanical interactions are demonstrated in shaped bulk acoustic resonators. Non-collinear all-optical coupling enables access to phonons with novel mode-selection rules, high quality factors (>107), and frequency tunability over 10 GHz.
Electrical Control of Cavity Exciton-Polaritons
Authors: Wang Zhi , He Li , Kim Bumho , Zhen Bo
Published: September 2024

We demonstrate the electrical control of cavity exciton-polaritons by strongly coupling a transition metal dichalcogenides (TMD) heterostructure to a photonic crystal nanocavity and adjusting the doping level of the TMD monolayer.
Current-biased Weyl and Dirac Semimetals as Tunable Nonreciprocal Plasmonic Platforms
Authors: Blevins Morgan G. , Boriskina Svetlana V.
Published: September 2024

We present the first comprehensive theory of the optical response of Weyl and Dirac semimetals under a current bias and show that they offer a new competitive material platform for nonreciprocal optics, such as isolators.
Experimental demonstration of nanocavity tuning on photonic crystal by sub-micron-square Ge2Sb2Te5 patterns
Authors: Uemura Takahiro , Chiba Hisashi , Horiguchi Yoshito , Yoda Taiki , Moritake Yuto , Tanaka Yusuke , Ono Masaaki , Kuramochi Eiichi , Notomi Masaya
Published: September 2024

Our study showcases the successful tuning of wavelength-scale photonic crystal nanocavities through phase change of precise aligned sub-micron-scale Ge2Sb2Te5 patterns, which is the first achievement in any nanocavities.
A Single-Celled Design Approach for Tri-Channel Metalenses
Authors: Guo Xudong , Wong Kenneth K. Y.
Published: September 2024

We present a non-interleaved single-celled design approach for tri-channel metalenses. We encode each meta-atom with three independent phase responses to generate three different spin-selective metalenses, which enables multi-functional meta-device.
Polarization entanglement from a crystalline whispering gallery resonator
Authors: Huang Sheng-Hsuan , Dirmeier Thomas , Shafiee Golnoush , Laiho Kaisa , Strekalov Dmitry V. , Leuchs Gerd , Marquardt Christoph
Published: September 2024

Polarization entanglement has not yet been shown in crystalline whispering gallery resonators. Here, we generate polarization entanglement by using an interferometric scheme. The S value of the Clauser-Horne-Shimony-Holt’s inequality in the system is 2.54 ± 0.06, in clear violation of the local realism.
Boosted Linear-Optical Bell-State Measurements and their Applications
Authors: Bayerbach Matthias , D’Aurelio Simone , van Loock Peter , Barz Stefanie
Published: September 2024

We present the realization of a linear optical Bell-state measurement scheme, surpassing the 50 % bound success by utilising ancillary states in a linear-optical circuit and discuss possible applications.
Network-ready source of indistinguishable single photons
Authors: Lal Nijil , Burenkov Ivan A. , Li-Baboud Ya-Shian , Jabir M.V. , Kuo Paulina , Gerrits Thomas , Slattery Oliver , Polyakov Sergey V.
Published: September 2024

We demonstrate a source of transform-limited indistinguishable photons in telecom band synchronized to the external clock. We observe near-perfect indistinguishability and sub-picosecond synchronization timing jitter. This network-compatible source enables large-scale, multi-node practical quantum networks.
Robust symmetry-free zero modes in non-Hermitian systems
Authors: Rivero Jose D. H. , Fleming Courtney , Qi Bingkun , Feng Liang , Ge Li
Published: September 2024

We present an approach to achieve zero modes in lattice models that do not rely on any symmetry or topology of the bulk, which are robust against disorder in the bulk Hamiltonian of any kind.
Non-Hermitian topology in a programmable silicon photonics lattice
Authors: Hashemi Amin , Pereira Elizabeth , Li Hongwei , Lado Jose L. , Blanco-Redondo Andrea
Published: September 2024

We report the experimental realization of non-Hermitian topology purely based on loss modulation in a programmable silicon photonics platform. Our results show the robustness of the topological mode to perturbations in the loss.
Controlled Power Distribution in Microresonator Chains via Concurrent Symmetry Breakings
Authors: Ghosh Alekhya , Pal Arghadeep , Hill Lewis , Del’Haye Pascal
Published: September 2024

We show the control of optical power patterns in coupled resonators optical waveguides (CROW) via the Kerr effect. This has applications in photonic integrated circuits, especially for light steering, sensors, and optical computing.
Stable Modelocking of Coupled Resonator Normal-GVD Kerr-Combs
Authors: Sanyal Swarnava , Okawachi Yoshitomo , Zhao Yun , Kim Bok Young , McNulty Karl J. , Lipson Michal , Gaeta Alexander L.
Published: September 2024

We theoretically and experimentally investigate the stability of single and multi-pulse normal group-velocity dispersion Kerr-combs in coupled-resonators. We show implementation of a drop-port is critical for suppressing parasitic modulation instability and accessing stable modelocked states.
Hyperbolic Polariton Lenses For Sub-Diffractive Imaging
Authors: Renzi Enrico Maria , Yves Simon , Strickland Diana , Erland Sveinung , Bachmat Eitan , Alù Andrea
Published: September 2024

We introduce the design of lenses for hyperbolic surface phonon polaritons operated in the mid-infrared range. Based on Minkowski space considerations, these lenses offer unbounded numerical aperture and can largely overcome the diffraction limit on resolution imaging.
Ultralight Non-Toxic Plasmonic Paint
Authors: Soudi Mahdi , Cencillo-Abad Pablo , Chanda Debashis
Published: September 2024

Traditional pigment-based colors suffer from instability and toxicity. Introducing a self-assembled subwavelength plasmonic cavity, we offer a scalable and environmentally friendly platform for vivid structural colors, providing stand-alone paints that are the lightest in the world.
Near-coherent Quantum Emitters in Hexagonal Boron Nitride with Discrete Polarization Axes
Authors: Horder Jake , Scognamiglio Dominic , Ganyecz Ádám , Ivadáy Viktor , Kianinia Mehran , Toth Milos , Aharonovich Igor
Published: September 2024

Spectral hole burning spectroscopy reveals nearly-coherent hBN quantum emitter linewidths with reproducible zero phonon line energy. Resonant polarization measurements indicate the emitting defect structure has threefold C2v symmetry.
Continuous-variable cluster states based on squeezed quantum microcombs
Authors: Wang Ze , Li Kangkang , Wang Yue , Zhou Xin , Cheng Yinke , Jing Boxuan , Sun Fengxiao , Li Jincheng , Li Zhilin , Gong Qihuang , He Qiongyi , Li Bei-Bei , Yang Qi-Fan
Published: September 2024

We experimentally demonstrate entangled qumodes in an optical microresonator with bichromatic pumping. They form a 2-dimensional continuous-variable cluster state via several four-wave mixing processes.
Spatiotemporal Quasi-Phase-Matching in Microresonators
Authors: Clementi Marco , Zhou Ji , Hu Jianqi , Yakar Ozan , Nitiss Edgars , Stroganov Anton , Brès Camille-Sophie
Published: September 2024

We show how spatiotemporal quasi-phase-matching emerges from all-optical poling of silicon nitride microresonators. Enabled by the coherent photogalvanic effect, the photoinduced χ(2) grating oscillates in space and time, yielding quasi-phase-matched and Doppler-shifted second-harmonic generation.
Entanglement Distribution for Metropolitan-scale Quantum Networks with Classical Coexistence
Authors: Rahmouni A. , Kuo P. S. , Shi Y. , Jabir M. V. , Lal N. , Burenkov I. A. , Li-Baboud Y.S. , Merzouki M. , Battou A. , Polyakov S. V. , Slattery O. , Gerrits T.
Published: September 2024

We achieved successful polarization entanglement distribution in metropolitan-scale quantum networks, coexisting with classical systems. We utilized deployed fiber infrastructure across the NIST campus and extended the distance to over 100 km using fiber spools.
Scalable Photonic Quantum Network
Authors: Choi Hyeongrak , Davis Marc G. , Iñesta Álvaro G. , Englund Dirk
Published: September 2024

We present efficient multi-flow entanglement routing in Quantum Tree Network (QTN) with sublinear overhead, congestion-free operations, and error correction, outperforming conventional mesh networks.
Quantum and Classical Communications in Shared Optical Fibers: Teleportation and Beyond
Authors: Thomas Jordan M. , Yeh Fei I. , Chen Jim Hao , Mambretti Joe J. , Kohlert Scott J. , Kanter Gregory S. , Kumar Prem
Published: September 2024

We discuss recent experimental progress in quantum teleportation systems operating in the same fibers as high-rate classical communications. We evaluate methods for optimizing teleportation fidelity in the presence of spontaneous Raman scattering noise.
Large-scale self-assembled nanophotonic scintillators for X-ray imaging
Authors: Martin-Monier Louis , Roques-Carmes Charles , Pajovic Simo , Hu Juejun , Soljačić Marin
Published: September 2024

We develop a scalable fabrication method for nanophotonic scintillators embedded with self-assembled nanophotonic structures. We demonstrate a 2.6-fold scintillation enhancement in a conventional scintillator over 4×4cm, showing the potential of our technique for X-ray imaging.
Class-specific image encryption using a diffractive optical processor
Authors: Bai Bijie , Wei Heming , Yang Xilin , Gan Tianyi , Mengu Deniz , Jarrahi Mona , Ozcan Aydogan
Published: September 2024

We present a framework for all-optical image encryption that is class-specific, performing a distinct image transformation function for each data class. Experimental validation of this method was conducted using both terahertz and near-infrared wavelengths.
Non-Hermitian quasicrystal lattices
Authors: Ghatak A. , Komis I. , Musslimani Z. H. , Makris K. G.
Published: September 2024

We study the wavepacket diffraction in non-Hermitian two-dimensional qua-sicrystals. The effect of spatial symmetries and the localization degree of the associated non-orthogonal eigenstates on the wave propagation are examined in detail.
Purcell Enhancement of a Single T Center Coupled to a Silicon Nanophotonic Cavity
Authors: Felix-Rendon Ulises , Johnston Adam , Wong Yu-En , Chen Songtao
Published: September 2024

We demonstrate Purcell enhancement of a single T center integrated in a silicon photonic crystal cavity, increasing the fluorescence decay rate by a factor of 6.89 and achieving a photon outcoupling rate of 73.3 kHz.
Spectrum-To-Position Conversion Via Programmable Spatial Dispersion
Authors: Jastrzebski Marcin , Kurzyna Stanislaw , Niewelt Bartosz , Mazelanik Mateusz , Wasilewski Wojciech , Parniak Michał
Published: September 2024

We present a protocol for spectrum-to-position conversion using spatial spin wave modulation technique in gradient echo quantum memory. We present the characterization of our interface as well as the uncertainty discussion.
Creating Entanglement Through a Joint Decay Channel
Authors: Tziperman Offek , Ruimy Ron , Gorlach Alexey , Kaminer Ido
Published: September 2024

We propose a protocol to create entanglement between emitters in cavity- or waveguide-QED through their decay to a common channel. Heralding on emitters’ states creates desired quantum light states such as cat and GKP.
Measuring frequency-bin entanglement from a quasi-phase-matched lithium niobate microring
Authors: Seshadri Suparna , Myilswamy Karthik V. , Ma Zhao-Hui , Huang Yu-Ping , Weiner Andrew M.
Published: September 2024

We employ phase modulation to measure the phase coherence between 31.75 GHz-spaced frequency bins in a biphoton frequency comb generated from an integrated quasi-phase-matched thin-film lithium niobate microresonator.
Simultaneous camouflage in both 3-5μm and 8-14μm infrared windows
Authors: Maman Roy , Mazurski Noa , Levy Uriel
Published: September 2024

We experimentally demonstrate a plasmonic metasurface for modulating thermal emission in both MWIR (3-5um) and LWIR (8-14um) regimes simultaneously. The use of this technology in thermal camouflage is demonstrated by encoding infrared information into a chip.
High-Q Wavefront Shaping with Higher-order Mie-resonant Metasurfaces
Authors: Hail Claudio U. , Foley Morgan , Sokhoyan Ruzan , Michaeli Lior , Atwater Harry A.
Published: September 2024

We report on a higher-order Mie-resonant optical metasurface for manipulating light in two dimensions with high quality factor as exemplified by beam deflection and radial lensing with up to Q = 1472.
Upconverting microwave and terahertz radiation using Rydberg atoms
Authors: Borówka Sebasian , Krokosz Wiktor , Wasilewski Wojciech , Mazelanik Mateusz , Parniak Michał
Published: September 2024

Upconversion of electromagnetic waves to the optical domain gives unique perspectives for novel detection systems. We present a quantum-limited, Rydberg-atom enabled system capable of detecting microwaves from photonic or electronic sources across a broad range of frequencies.
High Density Rydberg Gas Produced by Ultrashort Pulse Excitation and Spontaneous Ionization Induced by Rydberg-Rydberg Interactions
Authors: Matsubara Takuya , Sugawa Seiji , Chauhan Vikas Singh , Bharti Vineet , Maity Arnab , Mahesh Tirumalasetty Panduranga , Tomita Takafumi , de Léséleuc Sylvain , Ohmori Kenji
Published: September 2024

We realized ~1011 cm-3 high density Rydberg gas of ultracold 87Rb atoms by ultrafast excitation using improved picosecond pulse laser system, and observed the spontaneous ionization induced by Rydberg-Rydberg interactions.
RydIQule: Graph-based Modeling of Atomic Systems
Authors: Meyer David H. , Miller Benjamin N. , Virtanen Teemu , O’Brien Christopher M. , Cox Kevin C.
Published: September 2024

We present a powerful, open-source tool for semi-classical modeling of atomic systems. We demonstrate its use in modeling novel Rydberg electrometer configurations and spectroscopy readout schemes.
Electronically Controlled Quantum Confinement for Tunable Plasmonic Metasurfaces
Authors: Kaushik Vishal , Rajput Swati , Babu Prem , Pandey Suresh Kumar , Mishra Rahul Dev , Ren Haoran , Maier Stefan , Sorger Volker J. , Dalir Hamed , Kumar Mukesh
Published: September 2024

Here we demonstrate a novel approach for high-speed voltage-controlled Localized Surface Plasmon Resonance (LSPR) in semiconductor-nanostructures at the telecommunication window. The novel platform can have exciting applications in tunable metasurfaces, spasers, modulators, and many more
Temporal Mode Conversion in a Waveguide by Fast Motion of its Plates
Authors: Solís Diego M. , Yin Shixiong , Galiffi Emanuele , Alù Andrea , Engheta Nader
Published: September 2024

We show, semi-analytically and numerically, how the relativistic accelerated motion of a waveguide’s parallel plates induces fast mode conversion including reflection, similar to the temporal interface by sudden variation of interplate distance through conductivity switching.
Inhomogeneous Broadening in Time Domain Solvers: Gauss-Lorentz, Gauss-Drude, and Gauss-Debye Models
Authors: Prokopeva Ludmila J. , Fruhling Colton , Qian Chen , Zhen Bo , Kildishev Alexander V.
Published: September 2024

We develop a systematic approach to introduce inhomogeneous broadening in the Lorentz/Drude/Debye models. Implementation in the time/frequency domains uses minimax semi-analytical approximation. Applications include simulations of the systems with plasma and multilevel carrier kinetics.
Superradiance from Molecular J-aggregates Coupled to Dielectric Metasurfaces
Authors: Marangi Marco , Wang Yutao , Wu Mengfei , Tjiptoharsono Febiana , Kuznetsov Arseniy , Adamo Giorgio , Soci Cesare
Published: September 2024

Coupling of molecular J-aggregates with resonant dielectric metasurfaces induces Purcell enhancement with cooperative fluorescence and reduced decoherence in the weak coupling regime, and the formation of polaritonic states in the strong coupling regime, all at room temperature.
Serial Carrier-Envelope Phase Detection and Modulation for PHz Optoelectronics
Authors: Hanus Václav , Fehér Beatrix , Pápa Zsuzsanna , Budai Judit , Paul Pallabi , Szeghalmi Adriana , Dombi Péter
Published: September 2024

This study demonstrates a serialized carrier-envelope phase (CEP) measurement using a 250-nm 2D heterostructure, revealing measurable CEP shifts suitable for PHz optoelectronics, advancing the potential for CEP-based communication networks.
Laser-Based Undulator Design for Soft X-ray Free Electron Laser
Authors: Tilton Sean E. , Ros Elena L. , Schmidt Kevin E. , Banerjee Sudeep , Sandhu Arvinder , Fallahi Arya , Kaindl Robert A. , Holl Mark R. , Graves William S. , Teitelbaum Samuel W.
Published: September 2024

We present an optical undulator design of a soft X-ray compact free electron laser with a laser-based undulator feasible with commercially available laser systems. We simulate the Inverse Compton Scattering process and investigate engineering constraints.
Electron Acceleration in a Petawatt-Class Laser Focus Under Various Conditions
Authors: Ravichandran S. , Raymond A. , Longman A. , Bahk S.-W. , Mileham C. , Begishev I. , Qin S. , Dauphin N. , Shamlian J. , Roso L. , Fedosejevs R. , Hill W.T.
Published: September 2024

We report on electron-acceleration dynamics in the focus of petawatt-class (PWC) lasers, and its role in directly assessing the aberrations and peak intensity at full power, with experimental measurements and simulations.
Heterogeneous Integration of Spin-photon Interfaces with a Scalable CMOS Platform
Authors: Li Linsen , De Santis Lorenzo , Harris Isaac , Chen Kevin C. , Christen Ian , Trusheim Matthew , Han Ruonan , Englund Dirk
Published: September 2024

We introduce a quantum system-on-chip (QSoC) architecture based on (I) a co-designed diamond quantum memory array, (II) a custom CMOS backplane, and (III) a protocol for fully connected cluster state generation.
Telecom-to-Visible Frequency Conversion in a SiN Microresonator
Authors: Raghunathan Sidarth , Oliver Richard , Zhao Yun , McNulty Karl , Lipson Michal , Gaeta Alexander
Published: September 2024

We demonstrate frequency conversion between 1283 nm and 705 nm using Bragg scattering four-wave mixing in a microresonator, which represents the largest frequency span demonstrated. Our noise measurements suggest it is suitable for quantum applications.
Strong interactions between integrated microresonators and alkali atomic vapors: towards single-photon-level operation
Authors: Zektzer Roy , Lu Xiyuan , Hoang Khoi Tuan , Shrestha Rahul , Austin Sharoon , Zhou Feng , Chanana Ashish , Westly Daron , Lett Paul , Gorshkov Alexey V. , Srinivasan Kartik
Published: September 2024

We demonstrate strong coupling between an ensemble of ≈50 atoms interacting with a high-Q (>4x105) atomic-cladded microring-resonator, yielding a many-atom cooperativity C≈3.6. We further discuss photonic crystal ring defect resonator development for high single-atom-level cooperativity.
Bidirectional microwave-optical frequency conversion via itinerant optomechanics
Authors: Chen I-Tung , Deng Haoqin , Li Mo
Published: September 2024

An itinerant optomechnical system is introduced using silicon-on-sapphire platform. By selecting different input configurations, efficient bidirectional microwave-to-optical conversion can be achieved, opening a new paradigm for optomechanical quantum transduction.
Is Photonic Band Topology Common?
Authors: Ghorashi Ali , Vaidya Sachin , Rechtsman Mikael C. , Benalcazar Wladimir A. , Soljačić Marin , Christensen Thomas
Published: September 2024

Yes. Using high-throughput screening of randomly generated samples, we determine how symmetry, dielectric contrast, and other design parameters influence the prevalence of two-dimensional photonic crystal band topology, across stable, fragile, and higher-order topological varieties.
Free-Electron Computed Tomography of Near-Fields
Authors: Shpiro Tamir , Ruimy Ron , Bucher Tomer , Shultzman Avner , Kaminer Ido
Published: September 2024

We propose a novel approach for extracting the 3D vectorial near-field confined in nanostructures. Our Radon-like algorithm incorporates the nonlinearity of free-electron interactions and can be realized using ultrafast transmission electron microscopes.
Imprinting Chirality on Free-Electrons by Interaction with Phonon-Polaritons Vortices
Authors: Yan Qinghui , Ruimy Ron , Niedermayr Arthur , Bucher Tomer , Nahari Harel , Sheinfux Hanan Herzig , Dahan Raphael , Adiv Yuval , Yannai Michael , Janzen Eli , Edgar James H. , Bartal Guy , Tsesses Shai , Koppens Frank H.L. , Vanacore Giovanni Maria , Kaminer Ido
Published: September 2024

We experimentally demonstrate the generation of chiral electron beams in an ultrafast transmission electron microscope without the necessity for chiral light or chiral-shaping structures, but by breaking mirror symmetry in the light-electron interaction.
Deep learning empowered synthetic dimension dynamics
Authors: Xia Shiqi , Lei Sihong , Song Daohong , Di Lauro Luigi , Alamgir Imtiaz , Tang Liqin , Xu Jingjun , Morandotti Roberto , Buljan Hrvoje , Chen Zhigang
Published: September 2024

We propose and demonstrate a scheme for light manipulation in synthetic mode dimensions with deep learning, leading to unusual mode dynamics and, particularly, the morphing of light into topological modes in an ANN-designed photonic platform.
Stochastic logic in biased coupled photonic probabilistic bits
Authors: Horodynski Michael , Roques-Carmes Charles , Salamin Yannick , Choi Seou , Sloan Jamison , Luo Di , Soljačić Marin
Published: September 2024

We propose an experimentally viable photonic approach to solve arbitrary probabilistic computing problems. Our proposition relies on a network of coupled optical parametric oscillators that are controlled with a bias field.
Moiré Localization Induced Enhancement in the Decoherence Time of Interlayer Excitons in WSe2-MoSe2 Heterobilayers
Authors: Durmuş Mehmet Atıf , Demiralay Kaan , Khan Muhammad Mansoor , Atalay Şeyma Esra , Sarpkaya İbrahim
Published: September 2024

We show that prolonged dephasing times can be obtained from the emission of an ensemble of moiré-localized IXs in hBN-encapsulated WSe2-MoSe2 heterobilayers under moderate pump powers, which would be critical for quantum photonics applications.
Moiré excitons confined by twisted hBN substrates
Authors: Kim Dong Seob , Dominguez Roy C. , Ye Dingyi , Tan Tixuan , Yao Wang , Yang Li , Miyahara Yoichi , Li Xiaoqin
Published: September 2024

We demonstrate a new approach to confining excitons in a M oSe2 monolayer via the electrostatic potential from a twisted hBN substrate, which offers more flexibility in controlling exciton properties in a moiré superlattice.
Enhanced Drift Transport in 1D Excitonic Guides at Room Temperature
Authors: Florian Matthias , Li Zidong , Datta Kanak , Jiang Zhaohan , Borsch Markus , Wen Qiannan , Kira Mackillo , Deotare Parag B.
Published: September 2024

Local strain engineering is used to confine and direct exciton transport in a WSe2 monolayer at room temperature. We demonstrate that local Auger- and Seebeck effects enhance the directional exciton drift velocity at elevated excitation densities.
Long-range spin transport in indirect excitons in MoSe2/WSe2 heterostructure
Authors: Zhou Zhiwen , Szwed E.A. , Choksy D.J. , Fowler-Gerace L.H. , Butov L.V.
Published: September 2024

We observed spin transport with decay distances exceeding 100 microns and diverging in indirect excitons (IXs) in MoSe2/WSe2 heterostructure. With increasing IX density, we observed spin localization, then long-range spin transport, then spin localization.
Disentangling the low-order harmonic generation from bulk and thin films
Authors: Hussain Mukhtar , Williams Gareth O. , Imran Tayyab , Peres Marco , Lorenz Katharina , Fajardo Marta
Published: September 2024

We have explored the process of second harmonic generation (SHG) and third harmonic generation (THG) in thin films at 800 nm driving wavelength to disentangle the bulk and thin film’s contribution of harmonics.
Plasma Mirrors for Generating Co- and Counter-Rotating Harmonics
Authors: Fasano N. M. , Dewan V. , Mikhailova J. M.
Published: September 2024

We show that plasma mirrors driven by elliptically polarized laser beams emit harmonics that either co- or counter-rotate with the reflected fundamental, depending on the polarization state of the driving laser.
Terahertz nonlinear magnetic control of coupled magnon modes
Authors: Zhang Zhuquan , Gao Frank Y. , Baldini Edoardo , Nelson Keith A.
Published: September 2024

We demonstrate terahertz field-induced nonlinear couplings between two different magnon modes in an antiferromagnet, which manifest as magnon upconversion and coherent photon emissions at the difference and sum frequencies.
Towards many-body Hamiltonian tomography using quantum light emission
Authors: Mechel Chen , Tziperman Offek , Gorlach Alexey , Pizzi Andrea , Rivera Nicholas , Yao Norman Y. , Kaminer Ido
Published: September 2024

We show that quantum many-body systems can transfer information about their Hamiltonians onto multi-mode quantum light states via collective spontaneous emission, opening new paths towards tomographic reconstruction of many-body Hamiltonians.
Towards Nanophotonic Cavity-Enhanced Telecom-Compatible Quantum Memory on Thin-Film Lithium Niobate
Authors: Barya Priyash , Örsel Oğulcan E. , Goldschmidt Elizabeth A.
Published: September 2024

We demonstrate Purcell-enhanced emission from erbium doped in thin film lithium niobate using low-loss microring resonators which would enable improved performance of telecom-compatible atomic frequency comb quantum memory.
Spontaneously Squeezing Superradiant Laser
Authors: Xiao Da-Wu , Chen Chong , Liu Ren-Bao
Published: September 2024

We investigate a superradiant lasing system with atom-atom interaction. We find that this interaction induces a squeezed lasing phase, demonstrating the importance of coherent many-body interactions in lasing.
Classifying nonlinear topological materials using real-space invariants
Authors: Wong Stephan , Loring Terry A. , Cerjan Alexander
Published: September 2024

A real-space framework is developed to classify nonlinear topological insulators. By incorporating on-site Kerr terms into standard models, we show that topological nonlinear modes can create topological interfaces inside the lattice and resolve topological dynamics.
Eigenenergy braids in two-dimensional photonic crystals
Authors: Zhong Janet , Wojcik Charles C. , Cheng Dali , Fan Shanhui
Published: September 2024

We show that two-dimensional non-Hermitian photonic crystals made of lossy material can exhibit nontrivial eigenenergy braids for non-contractible loops in the 2D Brillouin zone.
Extending Topological Edge States to Visible Wavelengths in a Silicon Nitride Ring-Resonator Lattice
Authors: Sharp David , Flower Christopher , Manna Arnab , Rarick Hannah , Mehrabad Mahmoud Jalali , Chen Rui , Hafezi Mohammad , Majumdar Arka
Published: September 2024

Previous work in topological ring-resonator lattices has focused on infrared wavelengths where imaging technology is limited. In this work, this concept is extended to the visible regime with a silicon nitride platform.
Physics-guided hierarchical Neural Networks for Maxwell’s equations in metamaterials
Authors: Lynch Sean , LaMountain Jacob , Fan Bo , Bu Jie , Raju Amogh , Wasserman Daniel , Karpatne Anuj , Podolskiy Viktor
Published: September 2024

We develop a hierarchical approach to building a Physics-guided neural network (PGNN) for scalable solutions of Maxwell equations with high spatial resolution and illustrate the developed formalism on a metamaterial photonic funnel example.
Using colorimetric compounds in integrated optical refractive index sensors
Authors: de Cea Marc , Kim Jaehwan , Ram Rajeev J.
Published: September 2024

We show that the use of colorimetric compounds in integrated optical refractometric sensors can enhance the response to the presence of analytes of interest by virtue of the Kramers-Konig relations.
Spatiotemporally Resolved Dual-band Hyperchromatic Structural Color with a Mesoporous Metamaterial
Authors: Kumar Nithesh , Dos Santos Estevao Marques , Talukdar Tahmid H. , Ryckman Judson D.
Published: September 2024

We present an approach to achieve highly responsive structural color utilizing dual-band porous silicon rugate filter metamaterials combined with dichromatic laser illumination. Spatiotemporally resolved sensing experiments are reported.
Demonstration of a Joule-Level, Sub-Picosecond, Diode-Pumped Tm:YLF Chirped Pulse Amplification System
Authors: Hubka Zbynek , Tamer Issa , Kiani Leily , Owens Jason , Church Andrew , Batysta Frantisek , Galvin Thomas , Willard Drew , Yandow Andrew , Galbraith Justin , Alessi David , Harthcock Colin , Hickman Brad , Jackson Candis , Nissen James , Tardif Sean , Nguyen Hoang , Sistrunk Emily , Spinka Thomas M. , Reagan Brendan A.
Published: September 2024

We report the demonstration of a diode-pumped, chirped pulse amplification Tm:YLF laser that produces broadband pulses up to 1.3 J pulse energy. Amplified pulses at the 100 mJ-level were compressed using gratings to sub-400 fs duration.
Watt-Level Diode-Pumped Tm:CALGO Laser at 2.31 μm
Authors: Yu Xiaoxu , Pan Zhongben , Eremeev Kirill , Loiko Pavel , Chu Hongwei , Pan Han , Braud Alain , Camy Patrice , Giordano Luidgi , Viana Bruno , Griebner Uwe , Petrov Valentin , Li Dechun
Published: September 2024

A diode-pumped continuous-wave 1.5 at.% Tm:CALGO laser operating on the 3H4→3H5 transition generated 1.44 W at 2284-2348 nm with a linear laser polarization (σ). The relevant spectroscopic properties of this material were also determined.
50-fs pulse generation from a SESAM mode-locked Tm,Ho:CALYGO laser
Authors: Ding Heng , Liu Jian , Wang Yinyin , Zhang Ning , Wang Zhanxin , Zhao Yongguang , Xu Xiaodong , Xue Yanyan , Xu Jun , Griebner Uwe , Petrov Valentin
Published: September 2024

Mode-locking of a novel Tm,Ho:CALYGO crystal, exhibiting both structural and compositional disorder, is demonstrated generating 50-fs long pulses at 2078 nm with an average output power of 60 mW at 79.3 MHz.
Polarization effects in laser-written directional couplers
Authors: Pong Zhi-Kai , Sun Bangshan , Salter Patrick S. , Booth Martin J.
Published: September 2024

This work characterizes the splitting ratio for output light in laser written directional couplers dependent on the input polarization state. The theoretical analysis presented is supported by experimental results.
Broadband Directional Control of Radiative Heat Flows Through Micropatterning
Authors: Tsang Yung Chak Anson , DeGeorges Mathis , Mandal Jyotirmoy
Published: September 2024

A spheroidal microlens array is patterned on infrared transparent substrates to control the polar transmission and reflection of broadband thermal radiation. Geometric parameters and materials can be altered to tune the angular transmittance. Our design is promising for controlling thermal emissions for radiative cooling applications.
Ultrafast Laser Processing: “Green” Nanocomposites with Controlled Chemical Composition for Mild Hyperthermia
Authors: Ryabchikov Yury V.
Published: September 2024

Ultrafast laser processing was applied for the synthesis of semiconductor nanostructures with finely tunable chemical composition and plasmonic properties that were further employed for laser-induced hyperthermia with variable heating efficiency.
Cavitation-based Laser Micromachining with Nonstandard Immersion Liquids
Authors: Canfield Brian K. , Allman John N. , Costa Lino , Terekhov Alexander Y. , Moeller Trevor M.
Published: September 2024

We continue our investigation into the effects of ultrafast laser cavitation-based micromachining using various immersion liquids beyond simple water. Physical properties beyond vapor pressure are considered to contribute to enhancing or suppressing material removal.
Multi-parameter vibration sensing and simultaneous self-homodyne coherent transmission of single-carrier net 5.36 Tbps signal using 7-core fiber
Authors: Hao Yaguang , Yue Bing , Yang Bang , Tang Jianwei , Cheng Chen , Fan Linsheng , Li Jiali , Yang Yanfu , Hu Weisheng , Li Xueyang
Published: September 2024

We demonstrate a self-homodyne coherent transmission system with integrated laser interferometry based on a weakly-coupled 7-core fiber. We achieve multi-parameter vibration sensing and simultaneous transmission of single-carrier net 5.36 Tbps signals over 41.4 km.
Alumina Based Piezo-Optomechanical Blue and Ultraviolet Photonic Integrated Circuits in a VLSI Architecture
Authors: Shugayev Roman , Dominguez Daniel , Leenheer Andrew , Little Bethany , Chow Matt , Jau Yuan-Yu , Eichenfield Matt
Published: September 2024

We demonstrate VLSI-fabricated piezo-optomechanical photonic integrated circuits operating in the blue (420 nm) and UV (320 nm) spectral ranges. We characterize their performance and discuss their application to important problems in quantum information processing.
Compact Spatial Division Multiplexing with Dielectric Metasurfaces
Authors: Dainese Paulo , Oh Jaewon , Yang Jun , Marra Louis , Dorrah Ahmed H. , Palmieri Alfonso , Capasso Federico
Published: September 2024

Compact, integrated, and scalable devices are critical for future high-density optical communication applications. Here, we review our recent results demonstrating di-electric metasurfaces devices for mode-division multiplexing in few-mode fibers and free-space coupling into multi-core fibers.
Inversely designed photonic integrated vector dot-product core with mode-division multiplexing
Authors: Zhu Zheyuan , Sarma Raktim , Smith-Dryden Seth , Li Guifang , Pang Shuo S.
Published: September 2024

We present an inversely designed integrated photonic dot-product core based on mode-division multiplexing. The core features a 5µm×3µm footprint for scalability and can perform general-purpose vector dot-products with easily reconfigurable inputs for various computing applications.
Hyper-multiplexed, Ultralow-Energy Optical Neural Networks on Thin-Film Lithium Niobate
Authors: Ou Shaoyuan , Sludds Alexander , Hamerly Ryan , Zhong Eric , Zhang Ke , Feng Hanke , Wang Cheng , Englund Dirk , Yu Mengjie , Chen Zaijun
Published: September 2024

We demonstrate a large-scale wavelength-time-space-multiplexed optical neural network using high-bandwidth (>40 GHz) electro-optic modulators at CMOS-compatible voltages (Vπ= 1.3 V). Parallel computing with 7 wavelengths (over 1-THz) achieves 6-bit precision for accurate image classification.
Ultrasensitive Thermometry Using Coupled Modes in an Optical Microresonator
Authors: Weng Wenle , Luiten Andre
Published: September 2024

We present a self-referenced thermometry scheme based on a lithium niobate microresonator. Leveraging coupling between orthogonally polarized modes, dual-resonant state is obtained with a single pumping laser, enabling temperature sensing with a record-setting few-nanokelvin resolution.
Vernier Microcombs towards RF-to-Optical links
Authors: Fatema Saleha , O’Malley Nathan P. , Wu Kaiyi , Wang Cong , Girardi Marcello , Leaird Daniel E. , Torres-Company Victor , Weiner Andrew M.
Published: September 2024

We use the Vernier dual-comb method to separately detect and stabilize the ~ THz rep rate and ~100 GHz carrier envelope offset frequency of an octave spanning Kerr comb - both outside the bandwidth of conventional electronics.
Vernier Microcombs for Optical Frequency Division
Authors: Wu Kaiyi , O’Malley Nathan P. , Fatema Saleha , Wang Cong , Girardi Marcello , Alshaykh Mohammed S. , Leaird Daniel E. , Qi Minghao , Torres-Company Victor , Weiner Andrew M.
Published: September 2024

We demonstrate microcomb-based frequency division from a narrow-linewidth 871nm laser to a radio-frequency clock output. We introduce a noise suppression scheme to mitigate the fiber interferometric noise experienced by the system.
Unexpected phase-locked Brillouin Kerr Frequency comb in fiber Fabry-Perot resonators
Authors: Bunel T. , Conforti M. , Ziani Z. , Lumeau J. , Moreau A. , Fernandez A. , Llopis O. , Bourcier G. , Mussot A.
Published: September 2024

We report the observation of a stable and broadband optical frequency comb in a high-Q fiber Fabry-Perot resonator operating in normal dispersion regime through a continuous wave pumping scheme. We evidence that it arises from an unexpected phase-locking phenomenon induced by a combination of the Kerr and Brillouin effects. This led to the generation of frequency combs, spanning over 10 THz, characterized by a 10.53 GHz line-to-line spacing within a cavity featuring a 1.176 GHz free spectral range.
Visible-Wavelength Chip-Scale Polarization-Sensitive Spectrometer Using GaN Photodiodes
Authors: Kim Juhyeon , Dvořák Nathan , Ku Pei-Cheng
Published: September 2024

A chip-scale spectrometer is proposed to resolve linear polarization information in the visible-wavelength range. The design was supported with preliminary experimental data based on elliptical cross-section nanopillar-shaped GaN photodetectors.
Sensing beyond the exceptional point for high detectivity
Authors: Li Zhichao , Prasad Ciril S. , Wang Xielin , Zhang Ding , Naik Gururaj V.
Published: September 2024

Exceptional point (EP)-based optical sensors exhibit exceptional sensitivity but poor detectivity. Slightly off EP operation boosts detectivity without much loss in sensitivity. We experimentally demonstrate a high-detectivity-off-EP plasmonic-photonic hybrid sensor for anti-mouse IgG protein.
Fast Axial Scanning with Remote Focusing for Multiphoton Microscopy of Acute Rabbit Ventricular Slices to Follow Action Potentials Transmurally
Authors: Astrauskaitė Giedrė , Williamson Lewis , Mohanan Sharika , Moreno Steven Milan , Kinegawa Ryo , Boland Erin , Huethorst Eline , Smith Godfrey , Müllenbroich Caroline
Published: September 2024

Remote focusing on a multiphoton microscope allows for fast axial scanning to track action potentials transmurally in slices of rabbit hearts. Here we present benchmark results for cardiac structure and function.
All-optical Photoacoustic Microscopy Based on Superheterodyne Interferometry
Authors: Chen Ningbo , Guo Xudong , Tang Huajun , Chen Ji-Xiang , Sharmin Najia , Tong Yitian , Wong Kenneth K. Y.
Published: September 2024

We present an all-optical photoacoustic microscopy with a custom-built superheterodyne interferometer, achieving a 20 MHz demodulation bandwidth and 18 dB signal-to-noise ratio in tungsten wires phantom imaging.
Pulse-to-Pulse Wavelength Switching Near-infrared Fiber Laser for Multi-contrast PA Imaging
Authors: Chen Ji-Xiang , Tang Huajun , Sharmin Najia , Chen Ningbo , Wen Xiaoxiao , Tong Yitian , Wong Kenneth Kin-Yip
Published: September 2024

We demonstrate an all-fiber laser with 100 kHz pulse-to-pulse wavelength switching speed between 1725 nm and 1920 nm using parametric amplification. Multi-contrast photoacoustic imaging for water and lipids is demonstrated with the proposed laser.
Sub-Diffraction-Limited Multi-Color Multiphoton Imaging with a Single Laser Source and Single Photon Avalanche Detector Array
Authors: Verhoef A.J , Classen A. , Agarwal G.S. , Vitha S. , Pacheco M. , McCreedy D. , Sokolov A. , Fernández A.
Published: September 2024

We demonstrate sub-diffraction-limited simultaneous two- and three-photon imaging, using a high-power ultrafast fiber laser and single-photon avalanche detector array. Despite the 3-times longer excitation wavelength, our demonstration outperforms standard confocal microscopy of the same samples.
Dual-Comb Spectroscopy with 200,000 Resolved Comb Teeth Across Mid-IR to THz at Video (69 Hz) Rate
Authors: Konnov Dmitrii , Muraviev Andrey , Vasilyev Sergey , Vodopyanov Konstantin L.
Published: September 2024

Using electro-optically sampled dual-comb spectroscopy we performed high-resolution spectroscopic measurements across an unprecedented 1.5–45 THz (6.6–200µm) spectral range with simultaneous acquisition of octave-wide spectra (200,000 comb lines) at 69-Hz rate.
A Nanosecond Pulsed DPSSL Demonstrating Long-Term, Stable Operation at 10 J, 100 Hz
Authors: Quinn Gary , De Vido Mariastefania , Clarke Danielle , McHugh Luke , Mason Paul , Spear Jacob , Smith Jodie , Divoký Martin , Pilař Jan , Denk Ondřej , Butcher Thomas , Edwards Chris , Mocek Tomas , Collier John
Published: September 2024

We report on the successful commissioning of DiPOLE-100Hz, a nanosecond diode-pumped solid-state laser (DPSSL) operating at 10 J, 100 Hz. This system has demonstrated long-term, stable operation with an energy stability of 1% rms.
Characterisation of stress-induced depolarisation in a 10 J, 100 Hz nanosecond diode-pumped solid-state laser
Authors: Clarke Danielle , De Vido Mariastefania , Quinn Gary , McHugh Luke , Mason Paul , Spear Jacob , Smith Jodie , Divoky Martin , Pilar Jan , Denk Ondre , Butcher Thomas , Edwards Chris , Mocek Tomas , Collier John
Published: September 2024

We characterise stress-induced depolarisation in a high-average power, diode-pumped, Yb:YAG laser, producing 10 J pulses at a 100 Hz repetition-rate. Depolarisation was measured at 6.6% after 7 passes without any compensation.