Twist and strain tuning of third harmonic generation in glass nanostrand with two sub-wavelength hollow channels
A major challenge in third harmonic generation and its converse, parametric down-conversion, is how to arrange phase matching between ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Y. Chen J. Hammer N. Y. Joly P. St.J. Russell Source Type: research

Extraordinary transmission in an add – drop filter configuration driven by nonconservative coupling
We proposed a nonconservative coupling scheme based on the add – drop filter configuration, in which a high Q factor passive ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Keya Zhou Qi Liu Jie Lin Peng Jin Qingxin Yang Shutian Liu Source Type: research

Generation of wavelength-tunable few-cycle pulses in the mid-infrared at repetition rates up to 10??kHz
We demonstrate a compact and tunable mid-infrared light source that provides carrier-envelope-phase (CEP)-locked pulses at repetition rates ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Yasuyuki Sanari Fumiya Sekiguchi Kotaro Nakagawa Nobuhisa Ishii Yoshihiko Kanemitsu Hideki Hirori Source Type: research

Nonreciprocal magnon laser
A nonreciprocal magnon laser is proposed in a compound cavity optomagnonical system consisting of an yttrium iron garnet sphere coupled to ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Ye-jun Xu Jun Song Source Type: research

Multiwavelength, picosecond, synchronously pumped, Pb(MoO_4)_0.2(WO_4)_0.8 Raman laser oscillating at 12 wavelengths in a range of 1128 – 1360??nm
In this Letter, a mixed Pb(MoO_4)_0.2(WO_4)_0.8 as a new, to the best of our knowledge, active medium with optimized content for a ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Milan Frank Sergei N. Smetanin Michal Jel í nek David Vyhl í dal Ksenia A. Gubina Vladislav E. Shukshin Petr G. Zverev V á clav Kube č ek Source Type: research

Error performance optimization utilizing the dynamic detection cycle in a SPAD-based free space optical communication system
Afterpulsing is a critical non-ideal factor of the single photon avalanche diode (SPAD) at telecommunication wavelength, which limits the ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Chen Wang Zhiyong Xu Jingyuan Wang Jianhua Li Source Type: research

Single-stage few-cycle nonlinear compression of milliJoule energy Ti:Sa femtosecond pulses in a multipass cell
We report on the nonlinear temporal compression of mJ energy pulses from a Ti:Sa chirped pulse amplifier system in a multipass cell filled ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Louis Daniault Zhao Cheng Jaismeen Kaur Jean-Fran ç ois Hergott Fabrice R é au Olivier Tcherbakoff Nour Daher Xavier D é len Marc Hanna Rodrigo Lopez-Martens Source Type: research

Optical random phase dropout in a diffractive deep neural network
Unitary learning is a backpropagation (BP) method that serves to update unitary weights in fully connected deep complex-valued neural ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2021 Category: Physics Authors: Yong-Liang Xiao Sikun Li Guohai Situ Zhisheng You Source Type: research

Gas-plasma-based generation of broadband terahertz radiation with 640??mW average power
We present a high-power source of broadband terahertz (THz) radiation covering the whole THz spectral region (0.1 – 30 THz). The ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Joachim Buldt Henning Stark Michael M ü ller Christian Grebing C é sar Jauregui Jens Limpert Source Type: research

One-dimensional interferometric Rayleigh scattering velocimetry using a virtually imaged phased array
One-dimensional interferometric Rayleigh scattering velocimetry is demonstrated using a virtually imaged phased array (VIPA). A ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Yedhu Krishna Xinguang Luo Gaetano Magnotti Source Type: research

Invisible Mie scatterer
Dielectric Mie scatterers possessing simultaneously magnetic and electric resonances can be used to tailor scattering utilizing the ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Kanpei Zheng Zhanyuan Zhang Feifei Qin Yi Xu Source Type: research

Correction method for the influence of environmental factors on laser-induced breakdown spectroscopy
Environmental factors include sample temperature, ambient gas composition, and pressure, which have a significant impact on the accuracy ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Qixiu Zhong Tianzhuo Zhao Xin Li Shuzhen Nie Hong Xiao Yunfeng Ma Wang Cheng Guangyan Guo Zhongwei Fan Source Type: research

Electromagnetic phase coherence gratings for atmospheric applications
We propose using electromagnetic phase coherence gratings (EMPCGs) for fine spatial segregation in polarimetric components of stationary ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Yal ç in Ata Olga Korotkova Source Type: research

Designing optical fields in inhomogeneous media
Designing optical fields with predetermined properties in source-free inhomogeneous media has been a long-sought goal due to its potential ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Yousuf Aborahama Mo Mojahedi Source Type: research

Customizing structured light beams with a differential operator
We show that structured light beams can be customized with a differential operator in Fourier space. This operator is represented as an ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Job Mendoza-Hern á ndez Source Type: research

Electrically driven transport of photoinduced hot carriers in carbon nanotube fibers
Hot carriers play a significant role in applications of photovoltaics, photodetection, and photocatalysis. However, effective methods for ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Yu Liu Qianqian Hu Pengfei Wang Jinquan Wei Feng Huang Jia-Lin Sun Source Type: research

Combined multi-band infrared camouflage and thermal management via a simple multilayer structure design
Infrared camouflage is crucial for high-temperature objects to avoid detection, and spontaneous infrared radiation is also an important way ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Lei Wang Yue Yang Xianglin Tang Bin Li Yizhi Hu Yonggang Zhu Huizhu Yang Source Type: research

Generation and deflection control of a 2D Airy beam utilizing metasurfaces
Self-accelerating optical Airy beams present attractive characteristics such as self-bending and non-diffraction, which have rendered this ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Zihan Zhao Xumin Ding Kuang Zhang Jiahui Fu Shah Nawaz Burokur Qun Wu Source Type: research

Multiphoton upconversion and non-resonant optical nonlinearity in perovskite quantum dot doped glasses
By incorporating the CsPbBr_3 quantum dots (QDs) into a glass host, we report for the first time, to our knowledge, the measurement of ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Chenyang Zhu Lin Wang Di Zhao Yuting Yang Xiaofeng Liu Beibei Xu Zhousu Xu Jianrong Qiu Source Type: research

High-throughput lensless whole slide imaging via continuous height-varying modulation of a tilted sensor
We report a new, to the best of our knowledge, lensless microscopy configuration by integrating the concepts of transverse translational ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Shaowei Jiang Chengfei Guo Patrick Hu Derek Hu Pengming Song Tianbo Wang Zichao Bian Zibang Zhang Guoan Zheng Source Type: research

All-fiber gas Raman laser oscillator
Here, we report the first, to the best of our knowledge, all-fiber gas Raman laser oscillator (AFGRLO), which is formed by fusion splicing ... (Source: Optics Letters)
Source: Optics Letters - October 14, 2021 Category: Physics Authors: Hao Li Wei Huang Wenxi Pei Zhiyue Zhou Yulong Cui Meng Wang Zefeng Wang Source Type: research

High accuracy measurement of the ground-state hyperfine splitting in a ^113Cd^+ microwave clock: erratum
We present an erratum to our Letter [Opt. Lett.40, 4249 (2015)OPLEDP0146-959210.1364/OL.40.004249]. This erratum corrects the nuclear Lande ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2021 Category: Physics Authors: K. Miao J. W. Zhang X. L. Sun S. G. Wang A. M. Zhang K. Liang L. J. Wang Source Type: research

Ultrafast single-photon detection at high repetition rates based on optical Kerr gates under focusing: erratum
Two typos are corrected, and the linear refractive index n is removed from the expressions of the phase shift in Opt. Lett.46, 560 ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2021 Category: Physics Authors: Abdul-Hamid Fattah Assegid Mengistu Flatae Amr Farrag Mario Agio Source Type: research

Reaching fiber-laser coherence in integrated photonics
We self-injection-lock a diode laser to a 1.41 m long, ultra-high Q integrated resonator. The hybrid integrated laser reaches a frequency ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2021 Category: Physics Authors: Bohan Li Warren Jin Lue Wu Lin Chang Heming Wang Boqiang Shen Zhiquan Yuan Avi Feshali Mario Paniccia Kerry J. Vahala John E. Bowers Source Type: research

Development and characterization of a disposable submillimeter fiber optic Raman needle probe for enhancing real-time in vivo deep tissue and biofluids Raman measurements
We report on the development and characterization of disposable submillimeter fiber optic Raman needle probe for enhancing real-time in ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2021 Category: Physics Authors: Chi Shu Wei Zheng Zhuo Wang Changyuan Yu Zhiwei Huang Source Type: research

High-brightness LWIR quantum cascade lasers
Long-wave infrared (LWIR, λ ≈ 8 − 12 µ m) quantum cascade lasers (QCLs) are drawing increasing interest, as they ... (Source: Optics Letters)
Source: Optics Letters - October 11, 2021 Category: Physics Authors: F. Wang S. Slivken M. Razeghi Source Type: research

Beyond GHz optical frequency up-converted modulation of LEDs with integrated acousto-optic transducer
Traditional visible light communication (VLC) via light-emitting diodes (LEDs) employs the on-off keying (OOK) modulation scheme. Even ... (Source: Optics Letters)
Source: Optics Letters - October 11, 2021 Category: Physics Authors: Li-Chan Lai Dai-Jie Lin Wen-Hao Chiang Cheng-Ting Huang Gong-Ru Lin Jian-Jang Huang Source Type: research

Sub-micrometer direct laser writing using an optimized binary-amplitude zone plate lens
Direct laser writing (DLW) is a versatile and reliable lithography method widely used in many micro and nano fabrication areas. However, ... (Source: Optics Letters)
Source: Optics Letters - October 11, 2021 Category: Physics Authors: Kai Xu Jin Qin Liang Wang Source Type: research

Resetting directional couplers for high-fidelity quantum photonic integrated chips
In this Letter, we propose a fabrication technique based on femtosecond laser secondary direct writing (FsLSDW) that allows us to ... (Source: Optics Letters)
Source: Optics Letters - October 8, 2021 Category: Physics Authors: Feng Yu Zhen-Nan Tian Simone Piacentini Xiao-Yan Li Qi-Dai Chen Roberto Osellame Hong-Bo Sun Source Type: research

Thinly coated hollow core fiber for improved thermal phase-stability performance
The optical phase accumulated when light propagates through an optical fiber changes with temperature. It has been shown by various authors ... (Source: Optics Letters)
Source: Optics Letters - October 8, 2021 Category: Physics Authors: Bo Shi Hesham Sakr John Hayes Xuhao Wei Eric Numkam Fokoua Meng Ding Zitong Feng Giuseppe Marra Francesco Poletti David J. Richardson Radan Slav í k Source Type: research

LITES: rotational Raman spectra of air molecules measured by high-resolution-spectroscopy lidar
We present the first, to the best of our knowledge, measurements from a new lidar facility that was designed and built at the University of ... (Source: Optics Letters)
Source: Optics Letters - October 8, 2021 Category: Physics Authors: Boyan Tatarov Detlef M ü ller Source Type: research

Replica symmetry breaking in coherent and incoherent random lasing modes
We investigate intensity fluctuations of a weakly scattering optofluidic random laser having coherent and incoherent emission fractions. ... (Source: Optics Letters)
Source: Optics Letters - October 7, 2021 Category: Physics Authors: Anirban Sarkar B. N. Shivakiran Bhaktha Source Type: research

Extended infrared responses in Er/O-hyperdoped Si at room temperature
Silicon photonics has become the preferred candidate for technologies applicable to multifarious fields. However, the applications are ... (Source: Optics Letters)
Source: Optics Letters - October 7, 2021 Category: Physics Authors: Kun Zhang Jiajing He Ting He Qing Li Meng Peng Jiaxiang Guo Tao Zhang Xiaoming Wang Huimin Wen He Zhu Ning Li Peng Wang Yaping Dan Weida Hu Source Type: research

All-dielectric thin films based on single silicon materials for angle-insensitive structural colors
Here we demonstrate a red structural color of a multilayer structure made of all silicon-based materials. By using amorphous silicon (a-Si) ... (Source: Optics Letters)
Source: Optics Letters - October 7, 2021 Category: Physics Authors: Kun Feng Qingyuan Li Jintong Liu Yusi Wang Nan Chen Yankai Li Yikun Bu Source Type: research

Asymmetric constellation transmission for a coherent free-space optical system with spatial diversity
Spatial diversity is widely recognized as an effective technique for free-space optical (FSO) communication to combat channel fading. Most ... (Source: Optics Letters)
Source: Optics Letters - October 6, 2021 Category: Physics Authors: Xuanmin Pan Yejun Liu Lei Guo Source Type: research

Virtual histopathology with ultraviolet scattering and photoacoustic remote sensing microscopy
Realistic label-free virtual histopathology has been a long sought-after goal not yet achieved with current methods. Here, we introduce ... (Source: Optics Letters)
Source: Optics Letters - October 6, 2021 Category: Physics Authors: Nathaniel J. M. Haven Matthew T. Martell Brendyn D. Cikaluk Brendon S. Restall Ewan McAlister Sveta Silverman Lashan Peiris Jean Deschenes Xingyu Li Roger J. Zemp Source Type: research

Single camera 20??kHz two-color formaldehyde PLIF thermometry using a dual-wavelength-switching burst mode laser
We propose and demonstrate a two-color formaldehyde planar laser induced fluorescence spectroscopy thermometry scheme using the ... (Source: Optics Letters)
Source: Optics Letters - October 6, 2021 Category: Physics Authors: Xunchen Liu Yayao Wang Zhen Wang Fei Qi Source Type: research

Efficient ESPI method to identify vibration characteristics of transparent films
Electronic speckle pattern interferometry (ESPI) has been frequently used to study vibration characteristics of engineering structures. ... (Source: Optics Letters)
Source: Optics Letters - October 6, 2021 Category: Physics Authors: Yinhang Ma Hanyang Jiang Hao Cheng Minyang Wu Xiaoyuan He Fujun Yang Source Type: research

Parametric control of a diffractive axicon beam rider
A laser beam rider is a large-scale optical structure designed so that it is attracted toward the optical axis, while also affording ... (Source: Optics Letters)
Source: Optics Letters - October 6, 2021 Category: Physics Authors: Ying-Ju Lucy Chu Monjurul Meem Prateek R. Srivastava Rajesh Menon Grover A. Swartzlander Source Type: research

“ Designing high-performance nighttime thermoradiative systems for harvesting energy from outer space ” by Zhang et??al.: comment
The current – voltage characteristics presented by Zhang et al. in their recent work on designing thermoradiative systems overestimate ... (Source: Optics Letters)
Source: Optics Letters - October 6, 2021 Category: Physics Authors: Andreas Pusch Michael P. Nielsen Muhammad H. Sazzad Peter J. Reece Nicholas J. Ekins-Daukes Source Type: research

Optimal generation and isolation of attosecond pulses in an overdriven ionized medium
We identify optimal conditions for the generation and isolation of attosecond pulses in an overdriven ionized medium. In a high-pressure ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Xiangyu Tang Kan Wang Baochang Li Yanbo Chen C. D. Lin Cheng Jin Source Type: research

CO_2-based hollow-core fiber Raman laser with high-pulse energy at 1.95?? µ m
In this Letter, we present a high-pulse energy (>10 µ J) Raman laser at 1946 nm wavelength directly pumped with a 1533 nm ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Yazhou Wang Olav Thorbj ø rn Sandberg Schiess Rodrigo Amezcua-Correa Christos Markos Source Type: research

Quantum entanglement by a beam splitter analogous to laser mode transformation by a cylindrical lens
Quantum entanglement by a beam splitter (BS) is shown to be analogous to laser mode transformation by an astigmatic mode converter (AMC). ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Y. F. Chen M. X. Hsieh H. T. Ke Y. T. Yu H. C. Liang K. F. Huang Source Type: research

Direct imaging of a photonic jet at shaped fiber tips
This Letter presents, to our knowledge, the first direct measurement of the three-dimensional distribution of photonic jets (PJs) generated ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Djamila Bouaziz Stephane Perrin Tony Hajj Gr é goire Chabrol Assia Guessoum Nacer-Eddine Demagh Sylvain Lecler Source Type: research

Refractive index sensing and switching of leaky states in a metasurface
We theoretically propose leaky states in an electro-optic (EO)-based all-dielectric metasurface. The EO substrate tunes leaky modes to the ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Naseer Muhammad Guo Ping Wang Source Type: research

10-W power light co-transmission with optically carried 5G NR signal over standard single-mode fiber
Efficient co-transmission of 10-W power light and optically carried 5G new radio (NR) signal over standard single-mode fiber (SSMF) is ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Hailin Yang Di Peng Yuwen Qin Jianping Li Meng Xiang Ou Xu Songnian Fu Source Type: research

Non-line-of-sight optical communication based on orbital angular momentum
Optical non-line-of-sight (NLOS) communication can exploit the indirect light path to provide free-space communications around obstacles ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Zhanwei Liu Yiwen Huang Haigang Liu Xianfeng Chen Source Type: research

Demonstration of contrast improvement and spectral broadening in thin solid plates
Here we demonstrate that the pulses in thin solid plates (TSPs) can simultaneously realize contrast improvement and spectral broadening. In ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Xiaoming Lu Yuxin Leng Source Type: research

2-MW peak-power pulses from a dispersion-managed fluoride fiber amplifier at 2.8?? µ m
We report on a scheme of pulse amplification and simultaneous self-compression in fluoride fiber for generating a high-peak-power pulse at ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Yicheng Zhou Zhipeng Qin Peng Yuan Jingui Ma Guoqiang Xie Source Type: research

Generating non-uniformly correlated twisted sources
The inverse method of proving the twistability of cross-spectral density (CSD) inevitably falls into spontaneous difficulties. Based on a ... (Source: Optics Letters)
Source: Optics Letters - October 5, 2021 Category: Physics Authors: Shijun Zhu Peng Li Zhenhua Li Yangjian Cai Weiji He Source Type: research