bluuebunny/crossref_metadata_2025 huggingface dataset:
Population dynamics of Parrotfish (Scarus rivulatus) in Seribu Islands Waters
Authors: Nurfajar Nurfajar , Boer Mennofatria , Butet Nurlisa A
Published: September 2024

Parrotfish capture fisheries production in the Seribu Islands Waters is quite high. This study aims to determine several aspects related to parrotfish (S. rivulatus) population dynamics in the Seribu Islands Waters. This research was conducted for 12 months, starting from January to December 2022. The results of the analysis of the growth coefficient of male parrotfish are K=0.54 year-1, while females' growth coefficient is K=0.75 year-1. Growth parameters from the von Bertalanffy equation, for males Lt=312.4[1-exp-0.54(t-(-0.158))] and females Lt=280.4[1-exp-0.75(t-(0.12))]. Recruitment occurred twice during the 2022 period, with peak recruitment of males occurring in April and August and females in May and September. Completion mortality (F) was higher than natural mortality (M). Male parrotfish F=1.06M=0.63 and females F=4M=0.80. Mean first-capture size (Lc) for male fish Lc=174 mm and females 147 mm.Keywords:Over-exploitationParrotfishSeribu Islands
Analysis of abundance and ditribution of parrotfish (Leptoscarus vaigiensis) in seagrass ecosystems in Muris Besar Village, Demta District, Jayapura Regency, Papua
Authors: Runtuboi Dirk Y. P. , Kalor John Dominggus , Paiki Kalvin , Jaban Robert D , Indrayani Ervina , Mantayborbir Vyona , Izaac Fransina A
Published: September 2024

Parrotfish is the species Leptoscarus vaigiensis. Leptoscarus vaigiensis is a species of fish found in Muris Besar Village's waters, and it lives in seagrass meadow areas. This study aims to find parrot fish species abundance and distribution (Leptoscarus vaigiensis) in seagrass environments. Benefits from this research are anticipated to include supporting data and information, particularly for the fisheries industry in this water area, and significant information for preserving seagrass ecosystems as a specialized habitat for parrotfish (Leptoscarus vaigiensis). The Water Visual Census (UVC) is used to assess parrot habitat in the waterways. Direct observation at the research site is used to learn about and gather data about the object under study. Counting stationary points, transects, timed swimming at stationary sites, divers remaining in one location and surveying a specified radius for a certain amount of time are the major categories into which UVC methods fall. The research locations are Waipa Beach, Ugape Cape, Augara Beach, Muris Besar Village, Demta District, Jayapura Regency, Papua. The highest abundance value is at station 1, with an abundance value of 1,300 ind/m², while the lowest is at station 2, with an abundance value of 700 ind/m². Leptoscarus vaigiensis has a species distribution with a morality index value between 0.33 and 0.50. The distribution of parrotfish (Leptoscarus vaigiensis) in seagrass ecosystems is categorized as comparable according to the criteria for distribution patterns.Keywords:DistributionParrotfishMuris Besar VillagerAbundanceSeagrass beds
Effects of digoxin in inhibiting ACE2 and SARS-CoV-2 binding for attenuating COVID-19 in human adipocytes
Authors: Ardiana Meity , Suryawan I Gde Rurus , Hermawan Hanestya Oky , Putri Primasitha Maharani Harsoyo , Rahma Safira
Published: September 2024

BACKGROUND Angiotensin-converting enzyme 2 (ACE2) has a role in SARS-CoV-2 incidence, and digoxin is a competitive inhibitor of SARS-CoV-2-ACE2 binding. This study aimed to investigate the effects of digoxin on SARS-CoV-2-ACE2 binding, proinflammatory cytokines, and prothrombotic factors in adipocytes of patients with COVID-19.
METHODS This in vitro study used adipocyte cultures, which were divided into negative control, positive control (SARS-CoV-2 S1 spike protein only), SARS-CoV-2 S1 spike protein with digoxin, and SARS-CoV-2 S1 spike protein with human recombinant soluble ACE2 (hrsACE2). Data were analyzed using one-way ANOVA and Pearson correlation.
RESULTS SARS-CoV-2 significantly elevated ACE2 and increased interleukin (IL)-6, tumor necrosis factor-alpha (TNF-α), tissue factor (TF), and plasminogen activator inhibitor-1 (PAI-1) compared to the negative control group (p<0.001). No SARS-CoV-2-ACE2 binding was detected in SARS-CoV-2 with digoxin and hrsACE2 groups, compared to the positive control group (0 ng/ml versus 0 ng/ml versus 36.33 [1.58] ng/ml, p<0.001). Digoxin significantly decreased IL-6 (48.94 [1.80] ng/ml versus 90.93 [4.29] ng/ml; p<0.001), TNF-α (87.65 [6.88] ng/ml versus 307.95 [57.34] ng/ml; p<0.001), TF (5.33 [0.32] ng/ml versus 6.85 [0.22] ng/ml; p<0.001), and PAI-1 levels (2.92 [0.168] ng/ml versus 4.86 [0.11] ng/ml; p<0.001), compared to positive control group. ACE2 positively correlated with IL-6 (p = 0.004, r = 0.763) and TF (p = 0.004, r = 0.768) but was not correlated with IL-1β, TNF-α, and PAI-1 levels.
CONCLUSIONS This study promoted digoxin therapy to prevent cytokine storm and thromboembolism by decreasing IL-6, TNF-α, TF, and PAI-1 in adipocyte cultured models at an early stage of COVID-19.
Revisioning social work with older people living in a care home: promoting rights and reducing social control
Authors: Milne Alisoun , Nieman Sally
Published: September 2024

Care home residents are exposed to high levels of social control. Despite this, and regardless of their disempowered and vulnerable status, they receive limited attention from social workers. The social work role is primarily transactional, relating to admission, reviews of placements, Deprivation of Liberty Safeguards assessments and investigations of abuse. Evidence suggests that higher levels of engagement with residents are likely to reduce risks of abuse and contribute to reduced levels of social control. There are three routes of impact: a formal ongoing link with care homes; greater involvement with the four existing roles, shifting the focus from procedure to process; and the adoption of a new, more critical role that is informed by political ethics, enhancing rights and social justice. This revisioned role will offer residents access to the knowledge and skills of a social worker and to higher levels of protection from systems and practices that are harmful and controlling.
Scribere Iussit Amor: Phaedra, Love, and (Roman) Law in Ovid’s Heroides 4
Authors: Martorana Simona
Published: September 2024

Abstract: This article examines the interplay between legal language and poetic discourse within Ovid’s Heroides 4. As a knowledgeable reader of previous authors, as well as an expert in love poetry and Roman and divine law, the Ovidian Phaedra combines literary tradition, elegiac patterns, and legal discourse to portray her adulterous and incestuous relationship with Hippolytus as legitimate. Phaedra’s ironical reinterpretation and manipulation of Roman legal concepts, along with her skillful use of sources and elegiac motifs, articulates Ovid’s attempt to uncover the intrinsic arbitrariness and unreliability of contemporary (Augustan) juridical constructs.
The Mediterranean Origins of the English Atlantic, 1585 to 1619
Authors: Masterson Jack
Published: September 2024

ABSTRACT: English transatlantic expansion commenced at a point in history when the Mediterranean was the center of intellectual and economic action in Europe. Using previously untranslated sections of Latin sources and archival material (Cotton Manuscripts and Royal Manuscripts at British Library, and National Archives, London), this essay argues that (1) proponents of overseas empire were instructed by the example of a wider range of ancient and modern Mediterranean states than previously recognized; and (2) the Bermuda and Virginia colonies were originally intended to curb English dependence on the Mediterranean by producing a market basket of exotic crops unavailable in the climate of the British Isles.
Neural network uncertainty quantification in inverse imaging problems using cycle consistency
Authors: Huang Luzhe , Li Jianing , Ding Xiaofu , Zhang Yijie , Chen Hanlong , Ozcan Aydogan
Published: September 2024

We present an uncertainty quantification method for neural networks solving inverse imaging problems. We leverage the physical forward model to establish forward-backward cycles to quantify inference uncertainty and detect out-of-distribution data in computational imaging tasks.
Virtual histological staining of label-free autopsy tissue sections via deep learning
Authors: Li Yuzhu , Pillar Nir , Li Jingxi , Liu Tairan , Wu Di , Sun Songyu , Ma Guangdong , de Haan Kevin , Huang Luzhe , Zhang Yijie , Hamidi Sepehr , Urisman Anatoly , Haran Tal Keidar , Wallace William Dean , Zuckerman Jonathan E. , Ozcan Aydogan
Published: September 2024

We present deep learning-based virtual staining of label-free autopsy tissue sections, eliminating severe autolysis-induced artifacts caused by delayed fixation inherent in traditional histochemical H&E staining.
Virtual staining-based diagnosis of organ transplant rejection
Authors: Li Yuzhu , Pillar Nir , Liu Tairan , Ma Guangdong , de Haan Kevin , Zhang Yijie , Correa Adrian J. , Wu Yulun , Bai Bijie , Yang Xilin , Qi Yuxuan , Wallace William Dean , Ozcan Aydogan
Published: September 2024

We present deep learning-based virtual staining of unlabeled lung and heart tissue sections to diagnose organ transplant rejection, achieving comparable diagnostic accuracy to histochemical staining methods, while significantly reducing staining-related time, cost and labor.
Streamlined lightsheet deconvolution for ultra-wide diagonally-scanned samples
Authors: Vettenburg Tom , Valantinas Laurynas
Published: September 2024

The large bandwidth of lightsheet microscopy acquisition is a challenge for digital image processing. Off-line processing breaks the experimental feedback loop. We demonstrate an efficient, streamlined, deconvolution algorithm for translation-variant light-sheet, capable of on-the-fly deconvolution.
The impact of the spatial heterogeneity of pigmented tissues on the multiphoton microscopy imaging performance
Authors: Dubey Nitin , Xu Chris
Published: September 2024

We study the effect of randomly distributed absorbing tissue on the surface of the sample in multiphoton microscopy. Through numerical simulation, the signal-to-background ratio and point spread function of the system are investigated.
Neural network analysis of flame emission spectra for mineralogical analysis
Authors: Bernicky Adam , Davis Boyd , Loock Hans-Peter
Published: September 2024

We present a real-time, online, all-optical analysis of the feedstock minerals used in an industrial copper smelter based on the emission spectra generated in an acetylene-nitrous oxide flame and artificial neural network analysis.
Overcoming Nanofabrication Variance in Photonic Crystal Cavities by Transfer Print Integration
Authors: Bommer Sean P. , Panuski Christopher L. , Guilhabert Benoit , Xia Zhongyi , Dawson Martin D. , Englund Dirk R. , Strain Michael J.
Published: September 2024

Two-dimensional silicon photonic crystal cavities were transfer printed as individual pixels from their native substrate. In-situ spectral measurement during printing facilitated spatial ordering of 119 devices, with sub-linewidth deviations observed during printing.
Dynamic range augmentation on chip-scale optomechanical accelerometers with frequency readout
Authors: Flores Jaime Gonzalo Flor , Yerebakan Talha , Samoylov Alexis , Matsko Andrey , Wong Chee Wei
Published: September 2024

Here we present a novel technique to augment the dynamic range of an optomechanical accelerometer based on the optomechanical spring effect and frequency readout, without sacrificing resolution, through operational point calibration.
2nd Generation Rack-Mount Iodine Optical Clocks with Stability Below 3×10−14/√τ
Authors: Ledbetter Micah , Roslund Jonathan , Cingoz Arman , Kowligy Abijith , Sheredy Dan , Partridge Guthrie , Lunden Will , Roller Frank , Song Joe , Atchison Evan , Husain Omar , Carney Paul , Skulason Gunnar , Pasha Mary-Kate , Rakholia Akash , Dowd Andy , Abo-Shaeer Jamil , Boyd Martin
Published: September 2024

Vector Atomic has recently developed and fielded portable rack-mount optical clocks based on iodine vapor cells. We present our 2nd generation device featuring improved system integration and short-term performance.
Field-proven laser systems for quantum technologies
Authors: Ménoret V. , Eloy A. , Majek C. , Desruelle B.
Published: September 2024

Exail has developed vertically integrated turnkey fibered laser system for quantum technologies. They have been extensively used in research laboratories, in field conditions in quantum gravimeters and are in the process of being space qualified.
POFNet: Enlarging the Dynamic Range of Phase Demodulation by Signal Fusion
Authors: Liu Zechao , Zheng Hongkun , Zhu Chen , Ma Lingmei
Published: September 2024

To break the π-phase criterion in phase demodulation, POFNet is proposed to fuse the OPD and the phase signal to estimate the unwrapping errors and recover larger phase. The results showcase its superiority performance.
Optical Ranging Using Coherent Kerr Soliton Dual microcombs with Extended Ambiguity Distance
Authors: Shen Yang , Yang Yuechen , Zhou Kailu , Ding Yuanzhuo , Jiang Tinghao , He Guangqiang
Published: September 2024

We propose a dual-comb ranging method using coherent dual microcombs generated by single pump and thermo-optic tuning of resonances. This scheme provides the compatibility of low-bandwidth detectors and potential of real-time processing.
Integrated lithium niobate electro-optic comb-based precise absolute distance measurement with 25-MHz acquisition rate
Authors: Qi Yifan , Jia Xingyu , Wang Jingyi , Yang Weiwei , Miao Yihan , Chen Kunpeng , Yue Gongcheng , Cai Xinlun , Wu Guanhao , Li Yang
Published: September 2024

Based on a folded integrated lithium niobate electro-optic phase modulator frequency comb, we demonstrate an absolute distance measurement method and system with 25-MHz acquisition rate and 13.77-µm Allan deviation.
Optical Ranging – The Amorphous Silicon Intrinsic Photomixing Detector
Authors: Müller Maurice , Bablich Andreas , Bornemann Rainer , Marrenbach Nils , Kienitz Paul , Bolívar Peter Haring
Published: September 2024

The Intrinsic Photomixing Detector, a device enabling Time-of-Flight optical ranging up to ~70m and mean depth resolution of ~41.6mm, is presented. It may enhance pixel density and readout performance due to the utilized intrinsic mixing.
Temperature-insensitive Refractive Index Sensing Governed by Quasi-bound States in the Continuum with Thermo-optic Effect Balance
Authors: Han Zhe , Sheng Donghe , Du Chengbo , Yu Ludan , Zhai Jieru , Dong Tianpei , Tian Huiping
Published: September 2024

We propose a temperature insensitive refractive index sensor based on quasi-bound states in the continuum. The effect of temperature on the sensing results is effectively suppressed by balancing the thermo-optic effect.
Influence of Heat Accumulation in the Laser Treatment Area on the Dynamics of LIPSS Formation for Pure Titanium and Titanium Alloy
Authors: Druzhinin Petr , Fomicheva Iana , Amler Hans , Leuchs Gerd , Christiansen Silke H.
Published: September 2024

The dependences of LSFL period and the types of large LIPSS for pure titanium and titanium alloy on the amount of heat accumulation in the treatment area by a picosecond laser are presented.
Low-loss, nonvolatile tuning of Bragg structures with Sb2Se3
Authors: Nobile Nicholas A. , Lian Chuanyu , Sun Hongyi , Huang Yi-Siou , Mills Brian , Popescu Cosmin Constantin , Callahan Dennis , Hu Juejun , Ríos Ocampo Carlos A. , Youngblood Nathan
Published: September 2024

Sb2Se3 is used to switch between broadband transparency and enhanced index contrast in two device types leveraging Bragg gratings for tunable stop- and pass-band functionalities. Experimental results highlight fabrication challenges and efficacy of the designs.
Monolithic Barium Titanate Modulators on Silion-on-Insulator Substrates
Authors: Dong Zuoming , Raju Amogh , Posadas Agham , Reynaud Marc , Demkov Alexander , Wasserman Daniel
Published: September 2024

We demonstrate monolithic Barium Titanate (BTO) - based Mach - Zehnder Interferometers (MZIs) in thin film epitaxial BTO RF-sputtered on silicon-on-insulator substrates. A Vπ L = 2.32V · cm is reported corresponding to an effective Pockels coefficient of reff = 89pm/V in our BTO.
Graphene Photodetector for Time-of-Flight Optical Ranging Using Optoelectronic Mixing
Authors: Kienitz Paul , Bablich Andreas , Bornemann Rainer , Müller Maurice , Bolívar Peter Haring
Published: September 2024

A graphene optoelectronic mixer device utilizing indirect Time-of-Flight (ToF) for enhanced 3D imaging applications is presented. The prototype enables ranging up to 1 m with a mean accuracy of 25.6 mm.
An Anti-interference network of CNN-BiGRU for Pipeline Corrosion Recognition with Fiber Optic DAS System
Authors: Zhang Shixiong , Li Hao , Fan Cunzheng , Yan Baoqiang , Yan Zhijun , Sun Qizhen
Published: September 2024

An anti-interference network of CNN-BiGRU for pipeline corrosion recognition assisted with fiber optic DAS system is proposed. For the recognition of seven corrosion degrees in high-interference environment, the proposed model trained on data from one pipeline, can achieve the average accuracy of 83.4% for other pipelines.
Large Dynamic Range and High Frequency Acoustic Signal Detection with SNR Enhancement
Authors: Zheng Hongkun , Ma Lingmei , Liu Zechao , Li Caiyun , Zhuang Yiyang , Zhu Chen , Rao Yunjiang
Published: September 2024

An OPD-based demodulation method for acoustic signal detection is proposed, breaking the limit of phase demodulation. Experiment results demonstrated superior performance at high frequency, and the SNR increases proportionally with the frequency of the signal.
Surface Functionalization of Glass Using Femtosecond Laser-Induced Plasma
Authors: Jose Gin , Pal Paramita , Mathieson Robert , Kumi-Barimah Eric
Published: September 2024

Femtosecond laser-induced plasma of tellurite-based glasses is used to modify structurally the surface of silicate glasses and silica-on-silicon to engineer optical and photonic components. The refractive index, doping, mechanical strength, and color can be altered using the methodology.
Graphene Field Effect Transistor on Silicon Nitride Devices for Near-Infrared Wavelength Tuning
Authors: Vorobev A.S. , Mendoza-Castro J.H. , Iadanza S. , Jastan S. , Bianco G.V. , Bruno G. , D’Orazio A. , O’Faolain L. , Grande M.
Published: September 2024

In this work, we present the Graphene Field Effect Transistor (GFET) on Silicon Nitride waveguides for achieving the wavelength tuning in the Near-Infrared (NIR) range. The obtained Electrolyte-Graphene-Waveguide fabrication and characterization results are demonstrated.
Experimental demonstration of adiabatic polarization splitter rotator on a monolithic silicon photonics platform
Authors: Lee Won Suk , Chandran Sujith , Bian Yusheng , Chowdhury Zahidur , Aboketaf Abdelsalam , Najafi Arman , Mosleh Salman , Dezfulian Kevin , Sporer Ryan , Zhang Michelle , Song Shenghua , Wong Helen , Dasgupta Arpan , Liu Yangyang , Barwicz Tymon , Tinkler Janet , Anderson Frederick G , Lee Jae Gon , Gupta Vikas , Yu Anthony , Giewont Ken , Letavic Ted
Published: September 2024

We experimentally showcase an adiabatic polarization-splitter-rotator on a monolithic SiPh platform with a ~-0.42dB TM insertion-loss and <0.1dB polarization-dependent-loss across the O-band, complemented by a polarization extinction surpassing 45dB.
Highly Efficient Photonic Multiplexing Chip Using Low-Loss Silicon Nitride Recirculating Loops
Authors: Zhan Y. C. , Zhang H. , Burger A. , Cai H. , Polett D. , Kwek L. C. , Liu A. Q.
Published: September 2024

A highly efficient photonic multiplexing chip employing recirculating loops is proposed. The chip achieves a threefold reduction in both energy and time consumption in Hamiltonian evolution and RNN training.
Low Crosstalk, Dual-polarization Dense Waveguide Array
Authors: Zhang Hong , Li Ting , Zhou Peiji , Xu Xiaochuan , Zou Yi
Published: September 2024

We experimentally demonstrate a low crosstalk, dual-polarization dense waveguide array with 800 nm center-to-center separation. Crosstalk between the nearest waveguides is suppressed to below -20 dB in a bandwidth of 30 nm for both polarizations.
Experimental demonstration of superradiance using inverse designed clockwise, counterclockwise mode couplers
Authors: Tang Andrew , Saxena Abhi , Tara Virat , Ho Ahn Geun , Vuckovic Jelena , Majumdar Arka
Published: September 2024

We demonstrate superradiance using thermo-optic tuning of coupled racetrack resonators with inverse designed clockwise (CW), counterclockwise (CCW) mode couplers.
Continuous Strain Profiling with Low-Coherence Brillouin Optical Correlation-Domain Reflectometry
Authors: Noda Kohei , Sugihara Rei , Sadachika Shinya , Takata Atsushi , Nakamura Kentaro , Mizuno Yosuke , Endo Gen , Set Sze Yun , Yamashita Shinji
Published: September 2024

We experimentally measure a continuous strain distribution using low-coherence Brillouin optical correlation-domain reflectometry, which suppresses the noise caused by the sidelobes of a beat spectrum of conventional sinusoidal modulation.
Distributed Curvature Sensing using BOCDA with Polarization-maintaining 1+8 Multi-Core Optical Fiber
Authors: Du Haoze , Chen Shuyan , He Huan , Hua Xuchen , Liu Zhuyixiao , Zhao Zhiyong , Tang Ming
Published: September 2024

We propose a BOCDA curvature sensor based on polarization-maintaining 1+8 multicore fiber. Thanks to the unique fiber geometry, excellent fiber self-twisting resistance is obtained, which ensures better curvature measurement accuracy.
Fine-periodic nanostructure formation on solids with few-cycle femtosecond laser pulses
Authors: Miyaji Godai , Iida Yuto , Nikaido Seiya , Ishihara Akihiro
Published: September 2024

We have demonstrated that intense 7-fs, ~810-nm laser pulses can produce much finer periodic nanostructures on a diamond-like carbon (DLC) film, stainless steel, and gallium arsenide (GaAs) through ablation in air than those formed with intense 100-fs, ~800-nm pulses. The periodicity can be explained as arising from short-range propagating surface plasmon polaritons excited at the interface between the substrate and a thin layer of high-density electrons.
Integrated photonic millimeter-wave radar based on thin-film lithium niobate
Authors: Zhu Sha , Zhang Yiwen , Feng Jiaxue , Wang Yongji , Zhai Kunpeng , Feng Hanke , Pun Edwin Yue-Bun , Zhu Ning Hua , Wang Cheng
Published: September 2024

We report an integrated photonic radar operating in the mmWave V band (40-50 GHz) based on a 4-inch wafer-scale thin-film lithium niobite (TFLN) technology, achieving multi-target ranging and inverse synthetic aperture radar imaging with centimeter-resolution.
Full C-band tunable integrated Erbium lasers via wafer-scale fabrication
Authors: Ji Xinru , Liu Yang , Qiu Zheru , Siddharth Anat , Wang Rui Ning , Kim Taegon , Olson Joseph C. , Kippenberg Tobias J.
Published: September 2024

We demonstrate an integrated Erbium-based tunable laser using wafer-scale fabrication and ion implantation of silicon nitride photonic integrated circuits, and achieve single-frequency lasing tunable from 1530 nm to 1575 nm covering the entire optical C-band.
Highly Enhanced Pattern Recognition with a Balanced Joint Transform Correlator
Authors: Gamboa Julian , Hamidfar Tabassom , Shen Xi , Mitu Shamima A. , Shahriar Selim M.
Published: September 2024

We describe an opto-electronic balanced joint transform correlator that optimizes the dynamic range of the output spatial light modulator to improve by several orders of magnitude the signal to noise ratio for pattern recognition.
Rare Earth based luminescent compounds for forensics applications: from gunshot residues to chameleon thin films
Authors: dos Santos Rodrigo Galvão , de Menezes Jorge Fernando Silva , Sá Pires Silva Andrei Marcelino , de Souza Bispo Levy Ribeiro
Published: September 2024

A microspectrometer was used to analyze Rare Earth marked gunshot residues and chameleon thin films. The equipment allowed for fast, and non destructive assessment of the fluorescence emission, thus being of particular interest for forensics.
Photon Counting for Enhanced Resolution Spatial Frequency Modulation Imaging
Authors: Scarbrough Daniel , Bartels Randy , Squier Jeff
Published: September 2024

Multiphoton, single pixel detection, spatial frequency modulation imaging (SPIFI) is demonstrated in a photon counting regime for the first t ime b y u sing custom multi-threaded software, enabling second harmonic generation (SHG) 4th order enhanced images.
Enhancing Coherent Super-Oscillation Microscopy using Deconvolution of Complex Fields
Authors: Liu Yitian , Yang Haitang , Eleftheriades George V.
Published: September 2024

We demonstrate a coherent super-oscillation (SO) microscopy imaging system based on the phase-shifting interferometry (PSI) technique, which is implemented without additional optics in the setup. With the Wiener filter deconvolution, we extended the limit of resolution with coherent illumination by a factor of 1.4 over the diffraction limit.
Chasing systematic errors in dual comb spectroscopy
Authors: Genest Jérôme , Walsh Mathieu , Coddington Ian , Malarich Nathan , Cossel Kevin
Published: September 2024

Dual comb spectroscopy is currently limited by systematic errors, at the ~1% level in spectral transmittance. Understanding and mitigating these errors is essential for greenhouse gases quantification as well as for improving spectroscopic databases.
Comb-locked frequency-swept optical synthesizer for precision spectroscopy
Authors: Puppe Thomas , Mueller Sebastian , Kaenders Wilhelm
Published: September 2024

The comb-locked frequency-swept optical synthesizer enables optical metrology based on a phase-coherent widely-tuneable single mode laser source with unprecedented performance in terms of tuning speed and frequency accuracy. The technology and applications are discussed.
A Weak DC-Drift Silicon/Lithium Niobate Heterogeneous Integrated Electro-Optical Modulator
Authors: Li Zhuoyun , Chen Yang , Wang Shuxiao , Yu Mingbin , Ou Xin , Cai Yan
Published: September 2024

We demonstrate a high-performance modulator with weak bias-drift effect based on wafer-scale heterogeneous SOI/TFLN integration. The fabricated device exhibits a stable VπL of around 2.9 V·cm and support 176 Gbit/s for PAM4 signal transmission.
PAM-4 optical transmission beyond 224 Gbps based on an ultrahigh-bandwidth slow-light silicon modulator
Authors: Han Changhao , Qin Jun , Yang Qipeng , Zheng Zhao , Shu Haowen , Zhang Yunhao , Wu Yichen , Sun Yu , Lu Junde , Zhou Yan , Ge Zhangfeng , Wang Lei , He Zhixue , Yu Shaohua , Hu Weiwei , Peng Chao , Bowers John E. , Wang Xingjun
Published: September 2024

We experimentally demonstrate PAM-4 optical transmission beyond 224 Gbps based on an ultrahigh-bandwidth slow-light silicon modulator in C-band with the combination of the artificial neural network equalizers.
110-GHz bandwidth integrated lithium niobate modulator without direct lithium niobate etching
Authors: Qi Yifan , Yue Gongcheng , Hao Ting , Li Yang
Published: September 2024

We present an integrated thin film lithium niobate (TFLN) modulator featuring a 3-dB bandwidth higher than 110 GHz without direct etching of TFLN which significantly simplifies the fabrication process of integrated TFLN modulators.
Efficient Optical Modulation: Unveiling the Potential of Si-ITO Distributed Heterojunctions Coupling in Subwavelength Gratings
Authors: Rajput Swati , Parihar Abhinav Singh , Kaushik Vishal , Kumar Mukesh
Published: September 2024

We propose an optical modulation technique using electro-optic coupling in localized multiple Si-ITO heterojunctions inside a subwavelength grating. Experimental results exhibit a 24 dB extinction coefficient, 0.34 V-mm modulation efficiency, and 36 pJ energy consumption.
Self-referenced frequency comb operation at 85 °C
Authors: Kowligy Abijith S. , Pashollari Elton , Roslund Jonathan D. , Pasha Mary Kate , Skulason Gunnar , Abo-Shaeer Jamil , Boyd Martin , Cingoz Arman
Published: September 2024

We demonstrated a fully stabilized, self-referenced optical frequency comb at 85 °C ambient temperature that consumes less than 5 W of electrical power. Individual comb sub-components were operated from -40-85 °C without performance degradation.
Intensity Noise and Linewidth of Kerr Optical Frequency Combs
Authors: Wang Wenting , Du Xinhao , Lee Dong-IL , Liu Wenzheng , Liu Hao , Wong Chee Wei
Published: September 2024

We present the intensity noise and comb line linewidth in optical frequency microcombs. The measured intensity noise and short-term linewidths are -153 dB/Hz at 100 kHz offset frequency and 3.5 ± 0.68 kHz.
Grating Coupled Attachment of Optical Fiber Arrays for in situ Photonics Experimentation
Authors: Arnold Kellen P. , Slaby Joel B. , Dattilo Hannah M. , Kaylor C. Alex , Schrimpf Ronald D. , Fleetwood Daniel M. , Ralph Stephen E. , Reed Robert , Weiss Sharon M.
Published: September 2024

We report a simple, vacuum-compatible fiber attach process for in situ study of grating-coupled photonic devices. The robustness of this technique is demonstrated on grating-coupled waveguides exposed to multiple X-ray irradiations for aerospace studies.
Structured Light Projection Devices Based on Metasurface Optoelectronic Integration
Authors: Pei Xianzi , Bao Lei , Fu Pan , Wu Bo , Xie Yiyang
Published: September 2024

We report an ultracompact wafer-level laser emission chip through integration of metasurface with vertical cavity surface-emitting lasers for structured light generation. There are ~2k light spots over 180°field of view in the far field.
The World of Microphotonic Arrays Enabled by Anisotropic Wet Etching of Silicon
Authors: Bidney Grant W. , Duran Joshua M. , Ariyawansa Gamini , Anisimov Igor , Astratov Vasily N.
Published: September 2024

It is shown that microphotonic arrays fabricated by anisotropic wet etching of silicon have properties which make them uniquely suitable for enhancing photodetector, emitter, or resonator arrays in different silicon photonics applications.
High Precision Temperature Sensor Based on π-Phase-Shifted FBG and OFDR System
Authors: Sun Zhengqi , Lv Yuejuan , Zou Meng , Sun Qizhen , Yan Zhijun
Published: September 2024

We proposed a high precision temperature sensing system which is based on phase-shifted fiber grating interrogated by an OFDR system. The temperature sensing system showed 0.1°C temperature precision with ±0.029°C measurement uncertainty.
Miniaturized and Flexible MAPbBr3 Quantum Dot-doped Polymer Optical Fiber for Wearable Temperature Sensing
Authors: Xu Wangyang , Li Liangye , Sheng Shunfeng , Liu Yunfei , Sun Qizhen
Published: September 2024

We present a polymer optical fiber sensor doped with MAPbBr3 quantum dots for wearable temperature sensing. This sensor exhibits miniaturization, flexibility, and stretchability, with a temperature sensitivity of 1.74%°C-1 within 25-40°C.
Smartphone-Based Point-of-Care Device for INR Screening from Whole Blood
Authors: Xu Weiming , Althumayri Majed , Mohammad Amin , Koydemir Hatice Ceylan
Published: September 2024

We presented a foldable and cost-effective 3D-printed smartphone-based platform and its microfluidic cartridges for point-of-care blood coagulation testing. The coagulation time is assessed by automated video analysis of the flow-stopping time of the blood-coagulation reagent mixture in the microfluidic channel.
In Situ Lipid Profiling at Submicron Resolution by Hyperspectral Stimulated Raman Imaging
Authors: Zhou Yihui , Huang Xiangjie , Lee Hyeon Jeong
Published: September 2024

Achieving high spatial resolution in lipid profiling for life science and biomedical applications has been challenging. Here, we developed a hyperspectral stimulated Raman scattering imaging and analysis method for in situ lipid profiling in single cells and tissues by identifying spectroscopic signatures of chain length and unsaturation levels.
Doppler Spectroscopy of Intracellular Dynamics Detects Pathogenic Infection and Antibiotic Resistance
Authors: Lim Dawith , Hua Zhen , Turek John , Nolte David
Published: September 2024

Doppler spectroscopy detects signatures of bacterial infection of in vitro tissue and can monitor their suppression upon antibiotic use. Such early detection may allow quick diagnosis and selection of effective therapy for patients.
Cardiac Substrate Classification of Human Venoatrial Junction OCT Images
Authors: Therien Aidan , Joasil Arielle , Hendon Christine P.
Published: September 2024

Atrial fibrillation is the most common arrhythmia in the United States. Radiofrequency ablation is a procedure during which lesions are placed within the left atrium to prevent these signals from conducting. Correctly targeting the substrate is a critical aspect of this procedure; however, there is no real-time guidance during this procedure. This research investigates the use of optical coherence tomography-guided feedback by classifying patches from images of the venoatrial junction.
First Electrons from Axiparabola-Based LWFA
Authors: Liberman Aaron , Smartsev Slava , Tata Sheroy , Golovanov Anton , Benracassa Salome , Andriyash Igor , Lahaye Ronan , Levine Eitan Y. , Kroupp Eyal , Thaury Cedric , Malka Victor
Published: September 2024

We present the first acceleration of electrons by an axiparabola-focused wake-field. This proof-of-concept experiment strengthens the argument for an axiparabola-based solution for dephasingless LWFA. We also show numerical simulations confirming the experimental results.
Achieving InAs Quantum Dot Laser Operation at and Beyond 150 °C
Authors: Mishra Pawan , Jarvis Lydia , Hodges Chris , Gillgrass Sara-Jayne , Forrest Richard , Butkovicova Dagmar , Allford Craig P. , Tang Mingchu , Liu Huiyun , Shutts Samuel , Smowton Peter M.
Published: September 2024

We achieved InAs quantum dot-based laser operation up to 170 °C by adopting a codoped active region, including p-modulation doping and direct n-type doping in the InAs quantum dots, without resorting to high-reflectivity facet-coatings.
Flexible mode-locking in a semiconductor laser
Authors: Bourgon Emmanuel , Shen Alexandre , de La Horie Pierre Fanneau , Wilk Arnaud , Vaissière Nicolas , Néel Delphine , Make Dalila , Hassan Karim , Malhouitre Stephane , Combriè Sylvain , de Rossi Alfredo
Published: September 2024

We present a new concept of integrated semiconductor laser providing broad, continuous and potentially fast tunable mode-locked frequency.
Mid-Infrared Optical Coherence Tomography with an OP-GaP Optical Parametric Oscillator
Authors: Charsley Jake M. , Rutkauskas Marius , Schunemann Peter G. , Altmann Yoann , Reid Derryck T.
Published: September 2024

We demonstrate mid-infrared time-domain OCT with an OP-GaP optical parametric oscillator. Broadband spectra tunable from 5-11 μm provide reduced scattering for OCT applications. Volumetric imaging inside a plastic bank card is demonstrated at 5.1μm.
Laser Development for the Sodium Lidar for the TOMEX-Plus Rocket Experiment
Authors: Gachich Michael A. , Rizk Michael A. , Pietros Alexander R. , Banerian Coggan E. , Clemmons James H. , Swenson Gary R. , Dragic Peter D.
Published: September 2024

Progress towards the development of a 589 nm laser for a sodium lidar for the TOMEX-Plus rocket campaign is presented. The laser is a Raman amplified (1178 nm) and frequency doubled MOPA configuration.
Two-Photon Imaging of The Live Mouse Brain in the SWIR Using an Array of SNSPDs
Authors: Tamimi Amr , Caldarola Martin , Noordzij Niels , Los Johannes W. N. , Guardiani Antonio , Kooiman Hugo , Boffi Juan Carlos , Hambura Sebastian , Wang Ling , Kieser Christian , Fognini Andreas , Prevedel Robert
Published: September 2024

We developed a free-space coupled array of SNSPDs that allows two-photon excited fluorescence in-vivo imaging of mouse brain vasculature with both excitation and emission in the short wave infrared (SWIR) region.
Deep two-photon voltage imaging with adaptive excitation
Authors: Zhao Shitong , Hebert Eric , Gruzdeva Anna , Mahishi Deepthi , Lee Sungmoo , Hao Alex Yukun , Lin Michael Z. , Yapici Nilay , Xu Chris
Published: September 2024

We apply adaptive excitation to a fast two-photon microscope to image voltage activity in multiple neurons simultaneously at > 600 μm depth in awake mouse brains.
Breaking the Limitation Between Ranging/Velocity Resolution and Voxel Rate by Coherent Stitching in a Dual-comb Lidar
Authors: Cao Xianyi , Wang Long , Li Tianyi , Cai Minglu , Wu Guiling , Chen Jianping , Wu Kan
Published: September 2024

We propose a coherent stitching method by exploring the coherence in different beat notes in a dual-comb Lidar. An equivalent sweeping bandwidth of 70 GHz and a voxel rate of 100 kHz are achieved.
High-Dimensional Quantum Key Distribution by a Spin-Orbit Microlaser
Authors: Zhang Yichi , Zhao Haoqi , Wu Tianwei , Gao Zihe , Ge Li , Feng Liang
Published: September 2024

High-dimensional quantum key distribution (HD-QKD) promises to enhance information capacity and noise-resilience. Here we report an integrated spin-orbit microlaser enabled HD-QKD through decoy-state BB84 protocol, demonstrating robust and compact real-time secret key generation strategy.
Φ-OTDR model for arbitrary laser linewidth and pulse duration based on fiber frozen-in stress
Authors: Tovar Pedro , von der Weid Jean Pierre
Published: September 2024

We propose a new theoretical model for Φ-OTDR, accurately representing traces for arbitrary pulse widths and laser linewidths. Local refractive index fluctuations are modeled from frozen-in stress in fibers, causing random variations of 10
−
7.
Room Temperature Detection of Dimethyl methylphosphonate (DMMP) with Interband Cascade Laser by Photonic Integrated Circuit Agent Sensing Sorbent (PICASSo)
Authors: Kim C. S. , Bewley W. W. , Nguyen V. , Kim M. , Canedy C. L. , Meyer J. R. , Kendziora C. , McGill R. A. , Vurgaftman I.
Published: September 2024

A nerve agent simulant is successfully detected by a Photonic Integrated Circuit Agent Sensing Sorbent (PICASSo) device using the threshold shift of an interband cascaded laser (ICL) evanescently coupled to an oapBPAF sorbent film.
Nanopore Integrated Optofluidic Platform for Quantitative Viral RNA Analysis from Clinical Primate Biofluids
Authors: Sampad M.J.N. , Saiduzzaman S.M. , Walker Z.J. , Wayment J.X. , Ong E.M. , Mdaki S.D. , Tamhankar M. , Patterson J.L. , Hawkins A.R. , Schmidt H.
Published: September 2024

Optical trapping of nucleic acid enriched microbeads enables high-throughput nanopore sensing of molecular biomarkers on optofluidic devices. Amplification-free and label-free quantitative viral RNA analysis, with performances comparable with PCR from clinical animal biofluids, is reported.
Antigen-independent single-cell detection of circulating tumor cells using biolaser
Authors: Wu Weishu , Zhang Yu , Tan Xiaotian , Nagrath Sunitha , Fan Xudong
Published: September 2024

We developed a deep learning-powered biolaser platform that can differentiate cell types on a single-cell basis without immuno-staining. This method can achieve around 95% accuracy differentiating circulating tumor cells from white blood cells.
Applications of Tensor Decomposition in Optical Computing
Authors: Xiao Xian , Peelaers Wolfger , Zhao Yequan , Yuan Yuan , Van Vaerenbergh Thomas , Kurczveil Geza , Fiorentino Marco , Zhang Zheng , Beausoleil Raymond G.
Published: September 2024

We introduce our recent work in applying tensor compression techniques in optical computing and highlight two applications: the tensorized integrated coherent Ising machine and the tensorized optical multimodal fusion network.
Recovering optical chaos through turbulence with silicon photonic processor
Authors: Huang Heming , Martinez Andres , Zaminga Sara , SeyedinNavadeh SeyedMohammad , Melloni Andrea , Morichetti Francesco , Grillot Frédéric
Published: September 2024

This work demonstrates the ability of a silicon photonic mesh in recovering spectral information from chaotic light propagating through turbulent media. Results show-case the potential of the mesh in future LiDAR and communication applications.
Detection of Dissolved Methane in Harsh Environments Using Robust Microfiber Coupler
Authors: Barnfather K. , Lee T. , Steigenberger S. , Papadimitriou E. , Beresna M. , Brotin T. , Siracusa F. , Mowlem M. , Brambilla G. , Ismaeel R.
Published: September 2024

A novel hydrocarbon sensor for harsh environments is presented, packaged to withstand pressures between 1 to 600 bar. In this proof-of-concept work, we demonstrate the suitability of microfiber devices for ocean-sensing applications.
A Photonic Resonator Interferometric Scattering Microscope for Label-free Imaging of Bio-nanoparticles in Point-of-use Environments
Authors: Liu Leyang , Tibbs Joseph , Li Nantao , Bacon Amanda , Shepherd Skye , Lee Hankeun , Chauhan Neha , Demirci Utkan , Wang Xing , Cunningham Brian T.
Published: September 2024

We report a compact Photonic Resonator Interferometric Scattering Microscope for digital detection of gold nanoparticles, viruses, extracellular vesicles, and protein molecules for point-of-use environments in diagnostics and life science research applications.
Graphene Photogating Devices for Retinal Implants
Authors: Nashashibi Shadi , Koepfli Stefan M. , Schwanninger Raphael , Graf Josua , Haq Wadood , Fedoryshyn Yuriy , Zrenner Eberhart , Leuthold Juerg
Published: September 2024

We demonstrate a graphene-based phototransistor array with a dynamic range of six orders of magnitude starting from 7 lux. These devices feature a biomimetic logarithmic power dependence and are thus of interest for retinal implants.
Ultra-high Sensitivity Electro-optic Sensor for Optically Multiplexed Neural Recording
Authors: Ahmed Zabir , Li Xiang , Sarna Kanika , Gupta Harshvardhan , Jain Vishal , Chamanzar Maysamreza
Published: September 2024

A novel graphene integrated electro-optic nanophotonic sensor capable of encoding sub-mV neural signal into optical domain is demonstrated. Wavelength division multiplexing of such highly sensitive sensors can enable massive parallelization of neural recording.
Achieving Bipolar Photoresponse in III-Nitride Nanowires for Encrypted Optical Communication
Authors: Chen Wei , Wang Danhao , Kang Yang , Liu Xin , Fang Shi , Luo Yuanmin , Sun Haiding
Published: September 2024

We construct a spectral-distinctive photodetector based on p-AlGaN/n-Si nanowires modified with carbon layer, where the carbon layer effectively regulates the surface band bending of the nanowires, further successfully applying to the encrypted optical communication system. Key words: III-nitride nanowires, bipolar photoresponse, encrypted optical communication, surface band bending
Recombination Rate Analysis of High-Speed Blue InGaN/GaN micro-LEDs at Elevated Temperatures
Authors: Rogers Daniel , Xue Haotian , Kish Fred , Pezeshki Bardia , Tselikov Alex , Wierer Jonathan J.
Published: September 2024

InGaN/GaN micro-light-emitting diodes with high bandwidths (2.6 GHz) at high temperatures (250C) are demonstrated. Recombination rate analysis is performed to understand the effects of radiative and non-radiative rates on modulation response at varying temperatures.
Unlocking MicroLED Potential: Damage-free Anisotropic Etching for Enhanced Pixel Density
Authors: Chan Clarence Y. , Roberts Henry C. , Xiao Yixin , Mi Zetian , Li Xiuling
Published: September 2024

One of the biggest hurdles in microLED-technology is the efficiency degradation with shrinking pixel-size, due to etching damage. We present the scaling of µLED from 45 to 5 µm by MacEtch, with near size-independent EQE.
High-Efficiency and Polarization-Insensitive Grating Couplers on Thin-Film Lithium Niobate Waveguides
Authors: Tan Haoyang , Chen Zhaoyang , Chen Bin , Gao Shiming , Guan Xiaowei
Published: September 2024

We demonstrate polarization-insensitive grating couplers on thin-film lithium niobate waveguides. Inverse optimization method is used and the fabricated couplers exhibit efficiencies of－6 dB for the TE mode and－6.5 dB for the TM mode.
Photonic Crystal Microring Resonator on a Hybrid Silicon nitride-on-lithium niobate Platform
Authors: Peng Zhongdi , Krishna Rakesh , Wu Xi , Hosseinnia Amir H. , Fan Tianren , Adibi Ali
Published: September 2024

We demonstrate a photonic crystal resonator on hybrid silicon nitride-on-lithium niobate (SiN-on-LN) platform, designed for microwave-assisted optical-frequency conversion applications. We measure a large intrinsic quality factor (Qint) of 1.47×105 with mode-splitting bandwidth of 14.6 GHz.
Erbium-doped lithium niobate on insulator waveguide amplifier with ultra-high internal net gain of 38 dB
Authors: Wang Yimeng , Wang Bo , Shen Bitao , Yang Sijie , Chen Ruixuan , Shu Haowen , Wang Xingjun
Published: September 2024

We demonstrate an erbium-doped lithium niobate on insulator waveguide amplifier which achieved the highest internal net gain of 38 dB with a 9.16 cm waveguide at 1531.7 nm.
Widely and fast tunable vernier micro-ring filter based on an LNOI platform
Authors: Wang Zhenzheng , Chen Zhaoxi , Zhang Ke , Feng Hanke , Wang Cheng
Published: September 2024

We report an LNOI vernier cascaded micro-ring filter integrated with both thermo-optic and electro-optic tuning electrodes, featuring a 41-nm thermo-optic tuning range, 6-ns electro-optic response time, and a high sidelobe suppression ratio of 19.2 dB.
Multiband electro-optic modulator employing a lithium niobate racetrack resonator integrated with two pulley couplers
Authors: Hwang Hyeon , Nurrahman Mohamad Reza , Heo Hyungjun , Ko Kiyoung , Moon Kiwon , Ju Jung Jin , Han Sang-Wook , Jung Hojoong , Lee Hansuek , Seo Min-Kyo
Published: September 2024

We present a multiband electro-optic modulator based on a lithium niobate racetrack micro-resonator. Integration with two pulley couplers allows high-extinction modulation over multiple spectral bands of 775, 980, and 1550 nm in a single device.
Quantum Key Distribution (QKD) Multiplexing by Using the Attenuation Method
Authors: Klicnik Ondrej , Munster Petr , Horvath Tomas
Published: September 2024

In this paper a novel approach to multiplexing quantum and classical channels into a single fiber is presented. A so-called attenuation method is used, that is mainly fo-cused on suppressing the influence of Raman noise.
Silicon Nitride-based CMOS-photonic Devices Using High-Q Resonators
Authors: Krishna Rakesh , Peng Zhongdi , Hosseinnia Amir , Oh Shane , Bakir Muhannad , Adibi Ali
Published: September 2024

We present silicon-nitride (SiN) resonators designed in a CMOS-photonic platform which offers both electronics and photonics on the same chip. The taped-out devices provide high-quality (Q) factors of up to 105.
Narrow-linewidth and frequency-agile FMCW laser on the Si3N4 -on-SOI photonic platform
Authors: Liu Chuxin , Li Xinhang , Guo Yuyao , Lu Liangjun , Chen Jianping , Zhou Linjie
Published: September 2024

We demonstrate a hybrid-integrated self-injection-locked laser on the Si3N4-on-SOI platform to generate FMCW signal with 9 kHz linewidth, 2 MHz repetition rate, and high linearity, supporting FMCW-LiDAR with refresh rate up to megapixels per second.
Integrated Room Temperature Single Photon Source in Hexagonal Boron Nitride for Quantum Key Distribution
Authors: Zeng Helen Zhi Jie , Al-Juboori Ali , Nguyen Minh Anh Phan , Ai Xiaoyu , Bennet Adam , Laucht Arne , Solntsev Alexander , Toth Milos , Mildren Richard P. , Malaney Robert , Aharonovich Igor
Published: September 2024

Quantum Key Distribution (QKD) is important for a variety of quantum technologies. Here we demonstrate a free-space room temperature, discreet-variable QKD system using a bright Single photon sources (SPS) in hexagonal Boron Nitride (hBN).
Vehicle-to-Vehicle Quantum Key Distribution (V2V-QKD)
Authors: Conrad Andrew , Isaac Samantha , Cochran Roderick , Sanchez-Rosales Daniel , Javid Timur , Gauthier Daniel J. , Kwiat Paul G.
Published: September 2024

Secure communication is required for future smart infrastructure networks. We demonstrate the first Quantum Key Distribution (QKD) link between two moving cars. Our system operates at low-speeds and at high-speeds on a U.S. Interstate Highway.