Multiport swept-wavelength interferometer with laser phase noise mitigation employing a broadband ultra-weak FBG array
Optical vector network analyzers (OVNAs) based on swept-wavelength interferometry are applied widely in optical metrology and sensing to ... (Source: Optics Letters)
Source: Optics Letters - October 20, 2020 Category: Physics Authors: Haoshuo Chen Nicolas K. Fontaine Juan Carlos Alvarado-Zacarias Cheng Cheng Marianne Bigot Pierre Sillard RolRyf Mikael Mazur David T. Neilson Rodrigo Amezcua-Correa Minghong Yang Source Type: research

Fiber laser system for standoff coherent Raman spectroscopy
A fiber laser system for standoff detection of chemical and biological species by coherent anti-Stokes Raman scattering is presented. The ... (Source: Optics Letters)
Source: Optics Letters - October 19, 2020 Category: Physics Authors: Edoardo Vicentini Alessio Gambetta Gianluca Galzerano Paolo Laporta Kelly Curtis Kenneth McEwan Christopher R. Howle Nicola Coluccelli Source Type: research

Dynamic polarization control for free-space continuous-variable quantum key distribution
Free-space quantum key distribution (QKD) is attractive for the establishment of future global-scale quantum networks. However, it can be ... (Source: Optics Letters)
Source: Optics Letters - October 19, 2020 Category: Physics Authors: Shiyu Wang Peng Huang Tao Wang Guihua Zeng Source Type: research

Giant nonreciprocal transmission in low-biased gyrotropic metasurfaces
Strong magneto-optical effect with low external magnetic field is of great importance to achieve high-performance isolators in modern ... (Source: Optics Letters)
Source: Optics Letters - October 19, 2020 Category: Physics Authors: Na Liu Jia Zhao Liuge Du Chuanning Niu Chonglei Sun Xiangpeng Kong Zuojia Wang Xun Li Source Type: research

Chirp-compensated pulsed titanium – sapphire laser system for precision spectroscopy
Active frequency-chirp control for a narrowband pulsed titanium – sapphire laser oscillator – amplifier laser system is ... (Source: Optics Letters)
Source: Optics Letters - October 19, 2020 Category: Physics Authors: J. Hussels C. Cheng E. J. Salumbides W. Ubachs Source Type: research

Twisted ribbon carousels in random, three-dimensional optical fields
The instantaneous electric vector in a random three-dimensional optical field is shown to generate twisted ribbon carousels that spin about ... (Source: Optics Letters)
Source: Optics Letters - October 16, 2020 Category: Physics Authors: Isaac Freund Source Type: research

Adaptive-glasses time-domain FFOCT for wide-field high-resolution retinal imaging with increased SNR
The highest three-dimensional (3D) resolution possible in in vivo retinal imaging is achieved by combining optical coherence ... (Source: Optics Letters)
Source: Optics Letters - October 16, 2020 Category: Physics Authors: Jules Scholler Kassandra Groux Kate Grieve Claude Boccara Pedro Mec ê Source Type: research

Implementation of the toroidal absorption cell with multi-layer patterns by a single ring surface
We developed a type of toroidal multi-pass cell with multi-layer patterns based on the off-axis model. The effective path length of the ... (Source: Optics Letters)
Source: Optics Letters - October 16, 2020 Category: Physics Authors: Hong Chang Shiling Feng Xuanbing Qiu Huiyan Meng Guqing Guo Xiaohu He Qiusheng He Xiaohua Yang Weiguang Ma Ruifeng Kan Christa Fittschen Chuanliang Li Source Type: research

High degree of chaos synchronization in pairs of transverse modes with parity-symmetric polarizations in a thin-slice solid-state vector laser and application to polarimetric secure self-mixing metrology: erratum
In my previous Letter [Opt. Lett.45, 4907 (2020)OPLEDP0146-959210.1364/OL.401474], oscillation wavelengths corresponding to ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Kenju Otsuka Source Type: research

3D porous graphene-assisted capsulized cholesteric liquid crystals for terahertz power visualization
We demonstrate a high-efficiency visualized terahertz (THz) power meter based on the THz-photothermochromism of capsulized cholesteric ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Lei Wang Ruiwen Xiao Shengxin Yang Hongsong Qiu Zhixiong Shen Peng Lv Caihong Zhang Wei Hu Makoto Nakajima Biaobing Jin Yanqing Lu Source Type: research

Single-photon stored-light Ramsey interferometry using Rydberg polaritons
We demonstrate a single-photon stored-light interferometer, where a photon is stored in a laser-cooled atomic ensemble in the form of a ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Yuechun Jiao Nicholas L. R. Spong Oliver D. W. Hughes Chloe So Teodora Ilieva Kevin J. Weatherill Charles S. Adams Source Type: research

Mid-wave infrared polarization imaging system for detecting moving scene
In this Letter, a polarimetric analyzer is designed for a mid-wave infrared camera. This kind of infrared camera transforms into the ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Min Yang Wenbin Xu Zhenyuan Sun Hao Wu Yuze Tian Longting Li Source Type: research

Customizing twisted Schell-model beams
Since the celebrated twist phase was proposed by Simon and Mukunda, despite the tremendous progress made in theory over the past decades, ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Cong Tian Shijun Zhu Hongkun Huang Yangjian Cai Zhenhua Li Source Type: research

High sensitivity magnetometer using nanocomposite polymers with large magneto-optic response: retraction
The referenced article [Opt. Lett.43, 4615 (2018)OPLEDP0146-959210.1364/OL.43.004615] has been retracted by the authors. (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Babak Amirsolaimani Palash Gangopadhyay Andre P. Persoons Sasaan A. Showghi Lloyd J. LaComb Robert A. Norwood Nasser Peyghambarian Source Type: research

Increased sensitivity of higher-order laser beams to mode mismatches
This Letter derives explicit factors linking mode-mismatch-induced power losses in Hermite – Gauss optical modes to the losses of the ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: A. W. Jones A. Freise Source Type: research

Boosting the figure of merit of refractive index sensing via magnetoplasmon in H-shaped magnetoplasmonic crystals
Nanoscale refractive index (RI) sensors based on plasmonic structures usually suffer from a low figure of merit (FoM) due to the broad ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Ruxian Zhu Leyi Chen Sihao Wang Shaolong Tang Youwei Du Source Type: research

Phase-stable optical activity measurement by common-path spectral interferometry
A robust optical activity (OA) spectrometer covering the visible and near-infrared regimes was designed and built via a combination of a ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Yoshio Nishiyama Shoichi Ishikawa Hirohisa Nagatani Source Type: research

Enhancing third-harmonic generation by mirror-induced electric quadrupole resonance in a metal – dielectric nanostructure
Electric quadrupole resonance (EQR), a commonly available high-order Mie-type resonance in all-dielectric nanoparticles, suffers from weak ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Jin Yao Yan Yin Longfang Ye Guoxiong Cai Qing Huo Liu Source Type: research

Low dark current and high-performance hybrid perovskite photodetectors with a PBDB-T:IHIC ultrathin passivation layer
In this Letter, the reduction of undesired high dark current caused by defect states in solution-processed perovskite for photodetectors is ... (Source: Optics Letters)
Source: Optics Letters - October 15, 2020 Category: Physics Authors: Bowen Pan Mengge Wu Genjie Yang Dan Zhao Junsheng Yu Source Type: research

Localized structures formed through domain wall locking in cavity-enhanced second-harmonic generation
We analyze the formation of localized structures in cavity-enhanced second-harmonic generation. We focus on the phase-matched limit, and ... (Source: Optics Letters)
Source: Optics Letters - October 13, 2020 Category: Physics Authors: C. Mas Arab í P. Parra-Rivas T. Hansson L. Gelens S. Wabnitz F. Leo Source Type: research

Fast phase cycling in non-collinear optical two-dimensional coherent spectroscopy
As optical two-dimensional coherent spectroscopy (2DCS) is extended to a broader range of applications, it is critical to improve the ... (Source: Optics Letters)
Source: Optics Letters - October 13, 2020 Category: Physics Authors: Maria F. Munoz Adam Medina Travis M. Autry Galan Moody Mark E. Siemens Alan D. Bristow Steven T. Cundiff Hebin Li Source Type: research

Electro-optically spectrum switchable, multiwavelength optical parametric oscillators based on aperiodically poled lithium niobate
We report the first fast switchable multiwavelength optical parametric oscillator based on aperiodic optical superlattice technology. The ... (Source: Optics Letters)
Source: Optics Letters - October 13, 2020 Category: Physics Authors: Tai-Jie Wang Lin-Ming Deng Hung-Pin Chung Wei-Kun Chang Tien-Dat Pham Quan-Hsiang Tseng Reinhard Geiss Thomas Pertsch Yen-Hung Chen Source Type: research

High performance of a semipolar InGaN laser with a phase-shifted embedded hydrogen silsesquioxane (HSQ) grating
Single-frequency blue laser sources are of interest for an increasing number of emerging applications but are still difficult to implement ... (Source: Optics Letters)
Source: Optics Letters - October 13, 2020 Category: Physics Authors: Haojun Zhang Daniel A. Cohen Philip Chan Matthew S. Wong Panpan Li Hongjian Li Shuji Nakamura Steven P. Denbaars Source Type: research

Ultra-fast Stokes parameter correlations of true unpolarized thermal light: type-I unpolarized light
We measure Stokes parameter correlations in analogy to the intensity correlation measurements in the original Hanbury-Brown& Twiss ... (Source: Optics Letters)
Source: Optics Letters - October 13, 2020 Category: Physics Authors: Florian Kroh Markus Rosskopf Wolfgang Els ä sser Source Type: research

Light propagation through metamaterial temporal slabs: reflection, refraction, and special cases
Time-varying metamaterials are artificial materials whose electromagnetic properties change over time. Similar to a spatial medium ... (Source: Optics Letters)
Source: Optics Letters - October 13, 2020 Category: Physics Authors: Davide Ramaccia Alessandro Toscano Filiberto Bilotti Source Type: research

Simultaneous scattering-absorption dual-modal cell imaging in a single shot by a transmission-mode photoacoustic microscope
A microscopy scheme is proposed to simultaneously achieve optical scattering-absorption dual-contrast imaging of a transparent or ... (Source: Optics Letters)
Source: Optics Letters - October 13, 2020 Category: Physics Authors: Shiqing Wu Chao Tao Xiang Zhang Feng Lu Xiaojun Liu Source Type: research

Fuseless side-pump combiner for efficient fluoride-based double-clad fiber pumping
We report a novel technique for side-pumping fluoride-based double-clad fibers, allowing a record coupling efficiency of 93% and a maximum ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: S é bastien Magnan-Saucier Simon Duval Charles Matte-Breton Yi ğ it Ozan Aydin Vincent Fortin Sophie LaRochelle Martin Bernier R é al Vall é e Source Type: research

Large Rabi splitting of mixed plasmon – exciton states in small plasmonic moir é cavities
We report on exciton – plasmon coupling in metallic moir é cavities, both numerically and experimentally. Moir é cavities ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Simge Ates Ertugrul Karademir Sinan Balci Coskun Kocabas Atilla Aydinli Source Type: research

Compensation of nonlinear distortion in coherent optical OFDM systems using a MIMO deep neural network-based equalizer
A novel nonlinear equalizer based on a multiple-input multiple-output (MIMO) deep neural network (DNN) is proposed and experimentally ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Ivan Aldaya Elias Giacoumidis Athanasios Tsokanos Mutsam Jarajreh Yannuo Wen Jinlong Wei Gabriel Campuzano Marcelo L. F. Abbade Liam P. Barry Source Type: research

Lidar system based on lens assisted integrated beam steering
We present a demonstration of solid-state light detection and ranging (Lidar) at 1550 nm by applying integrated two-dimensional (2D) lens ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Xianyi Cao Gaofeng Qiu Kan Wu Chao Li Jianping Chen Source Type: research

Phase contrast-based phase retrieval: a bridge between qualitative phase contrast and quantitative phase imaging by phase retrieval algorithms
In the last five decades, iterative phase retrieval methods have drawn a lot of interest across the research community as a ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Nathaniel Hai Joseph Rosen Source Type: research

Electronically tunable picosecond pulse generation from Ho^3+-doped fluoride fiber laser using frequency-shifted feedback
In this Letter, we demonstrate electronically tunable picosecond (ps) pulse emission from the^5I_6 − ^5I_7 transition of ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Maria Pawliszewska Matthew R. Majewski Stuart D. Jackson Source Type: research

Low-noise high-order Raman fiber laser pumped by random lasing
Raman fiber lasers (RFLs) have been widely utilized in long-haul optical transmission systems as pump sources for distributed Raman ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Bing Han Yunjiang Rao Han Wu Jiazhen Yao Hongjian Guan Rui Ma Zinan Wang Source Type: research

Phenethylamine ligand engineering of red InP quantum dots for improving the efficiency of quantum dot light-emitting diodes
In this Letter, red-emitting multi-shelled indium phosphide (InP) quantum dots (QDs) were synthesized using the safe phosphorus precursor ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Wei Jiang Boram Kim Heeyeop Chae Source Type: research

VECSEL-based virtually imaged phased array spectrometer for rapid gas phase detection in the mid-infrared
We present a novel, to the best of our knowledge, system for high-resolution, time-resolved spectroscopy in the mid-wave infrared based on ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Robert Rockmore Ricky Gibson Jerome V. Moloney R. Jason Jones Source Type: research

Near-single-mode 3??kW monolithic fiber oscillator based on a longitudinally spindle-shaped Yb-doped fiber
In order to balance the mitigation of transverse mode instability and stimulated Raman scattering effect in the high power fiber lasers, a ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Lingfa Zeng Xiaoming Xi Yun Ye Hanwei Zhang Xiaolin Wang Zhiyong Pan Zefeng Wang Xiaojun Xu Source Type: research

Watt-level efficient 2.3?? µ m thulium fluoride fiber laser
We report on an efficient mid-infrared thulium (Tm) fiber laser operating on the^3H_4?^3H_5 transition and featuring ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Aleksey Tyazhev Florent Starecki Solenn Cozic Pavel Loiko Lauren Guillemot Alain Braud Franck Joulain Mincheng Tang Thomas Godin Ammar Hideur Patrice Camy Source Type: research

Silicon subwavelength modal Bragg grating filters with narrow bandwidth and high optical rejection
Waveguide Bragg grating filters with narrow bandwidths and high optical rejections are key functions for several advanced silicon photonics ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Dorian Oser Diego P é rez-Galacho Xavier Le Roux S é bastien Tanzilli Laurent Vivien Laurent Labont é É ric Cassan Carlos Alonso-Ramos Source Type: research

Nonlinearity and ionization in Xe: experiment-based calibration of a numerical model
Recently proposed universality of the nonlinear response is put to the test and used to improve a previously designed model for xenon. ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: J. Tolliver S. Zahedpour J. K. Wahlstrand H. M. Milchberg M. Kolesik Source Type: research

Megahertz-rate OH planar laser-induced fluorescence imaging in a rotating detonation combustor
Megahertz-rate hydroxyl radical planar laser-induced fluorescence (OH-PLIF) was demonstrated in a hydrogen/air rotating detonation ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Paul S. Hsu Mikhail N. Slipchenko Naibo Jiang Christopher A. Fugger Austin M. Webb Venkat Athmanathan Terrence R. Meyer Sukesh Roy Source Type: research

Achromatic super-oscillatory metasurface through optimized multiwavelength functions for sub-diffraction focusing
Optical super-oscillatory lenses based on planar micro/nano structures have been demonstrated as promising alternatives for shaping ... (Source: Optics Letters)
Source: Optics Letters - October 12, 2020 Category: Physics Authors: Long Chen Jia Liu Xiaohu Zhang Dongliang Tang Source Type: research

Dissipative soliton generation from a large anomalous dispersion ytterbium-doped fiber laser
Dissipative soliton (DS) is demonstrated in a large anomalous dispersion ytterbium-doped fiber laser. A chirped fiber Bragg grating is ... (Source: Optics Letters)
Source: Optics Letters - October 10, 2020 Category: Physics Authors: Jiaqi Zhou Weiao Qi Weiwei Pan Yan Feng Source Type: research

Graphene-based mid-infrared plasmonic isolator with multimode interferometer
This Letter presents an extremely compact graphene-based plasmonic isolator with a two-port multimode interference (MMI) structure. The ... (Source: Optics Letters)
Source: Optics Letters - October 10, 2020 Category: Physics Authors: Mohsen Heidari Vahid Ahmadi Source Type: research

All-fiber online Raman sensor with enhancement via a Fabry – Perot cavity
In this Letter, a novel all-fiber online Raman sensor with significant signal enhancement via a Fabry – Perot (FP) cavity is proposed ... (Source: Optics Letters)
Source: Optics Letters - October 10, 2020 Category: Physics Authors: Xingtao Yu Caoxin Li Dora Juan Juan Hu Karolina Milenko Guanghui Wang Ping Shum Fei Xu Yanqing Lu Xuping Zhang Source Type: research

20 kHz dual-plane stereo-PIV measurements on a swirling flame using a two-legged burst-mode laser
Dual-plane stereoscopic particle image velocimetry (PIV) is capable of quantifying the flow field in terms of three-component (3C) flow ... (Source: Optics Letters)
Source: Optics Letters - October 9, 2020 Category: Physics Authors: Zifeng Yang Sirui Wang Jianyi Zheng Lei Li Xunchen Liu Yi Gao Fei Qi Source Type: research

Fully reconfigurable coherent optical vector – matrix multiplication
Optics is a promising platform in which to help realize the next generation of fast, parallel, and energy-efficient computation. We ... (Source: Optics Letters)
Source: Optics Letters - October 9, 2020 Category: Physics Authors: James Spall Xianxin Guo Thomas D. Barrett A. I. Lvovsky Source Type: research

Hybrid autofluorescence and photoacoustic label-free microscopy for the investigation and identification of malignancies in ocular biopsies
We demonstrate the development and application of a prototype hybrid microscopy system integrating autofluorescence (AF) and photoacoustic ... (Source: Optics Letters)
Source: Optics Letters - October 9, 2020 Category: Physics Authors: George J. Tserevelakis Kostas G. Mavrakis Danai Pantazopoulou Eleni Lagoudaki Efstathios Detorakis Giannis Zacharakis Source Type: research

Extreme local field enhancement by hybrid epsilon-near-zero – plasmon mode in thin films of transparent conductive oxides
Epsilon-near-zero (ENZ) materials display unique properties, and among them, large local field enhancement at ENZ frequency is of ... (Source: Optics Letters)
Source: Optics Letters - October 9, 2020 Category: Physics Authors: Innem V. A. K. Reddy Josep M. Jornet Alexander Baev Paras N. Prasad Source Type: research

Single pixel polarimetric imaging through scattering media
Polarimetric imaging can provide valuable information about biological samples in a wide range of applications. Detrimental tissue ... (Source: Optics Letters)
Source: Optics Letters - October 9, 2020 Category: Physics Authors: Kai Ling C. Seow Peter T ö r ö k Matthew R. Foreman Source Type: research

Steady-state and time-resolved upconversion photoluminescence in Yb^3+-Er^3+ co-doped transparent ceramics of YAG
Transparent ceramics (TCs) represent a new family of functional hard materials. In this Letter, steady-state and time-resolved upconversion ... (Source: Optics Letters)
Source: Optics Letters - October 9, 2020 Category: Physics Authors: Fei Tang Haoqi Li Kangzhen Tian Jiqiang Ning Honggang Ye Shijie Xu Source Type: research