Spin-independent metalens for helicity–multiplexing of converged vortices and cylindrical vector beams

Tao Zhou, Qian Liu, Yongsheng Liu, and Xiaofei Zang

Opt. Lett. 45(21), 5941-5944 (2020)  View: HTML | PDF

High azimuthal angle tolerant dual-channel wavelength filter from visible to NIR using conically mounted guided mode resonance structures

Pankaj K. Sahoo, Jaiyam Sharma, Ryoji Yukino, Adarsh Sandhu, and Joby Joseph

Opt. Lett. 45(21), 6010-6013 (2020)  View: HTML | PDF

Resonant filters with concurrently tuned central wavelengths and sidebands

Y. H. Ko, N. Gupta, and R. Magnusson

Opt. Lett. 45(21), 6046-6049 (2020)  View: HTML | PDF

Efficient low-brightness-pumped Raman amplification of a single high-order Bessel mode in 335-m of 70-µm-diameter silica-core step-index fiber

Sheng Zhu, Yutong Feng, Pranabesh Barua, and Johan Nilsson

Opt. Lett. 45(21), 6018-6021 (2020)  View: HTML | PDF

Carrier-less phase retrieval receiver leveraging digital upsampling

Hanzi Huang, Haoshuo Chen, Yetian Huang, Nicolas K. Fontaine, Roland Ryf, and Yingxiong Song

Opt. Lett. 45(21), 6070-6073 (2020)  View: HTML | PDF

Unidirectional two-way optical frequency comparison and its fundamental limitations

Dan Xu, Olivier Lopez, Anne Amy-Klein, and Paul-Eric Pottie

Opt. Lett. 45(21), 6074-6077 (2020)  View: HTML | PDF

Measuring the complex spectrum of orbital angular momentum and radial index with a single-pixel detector

Shupeng Zhao, Shouqian Chen, Xiao Wang, Ruifeng Liu, Pei Zhang, Hongrong Li, Hong Gao, and Fuli Li

Opt. Lett. 45(21), 5990-5993 (2020)  View: HTML | PDF

High-quality-factor microring resonator for strong atom–light interactions using miniature atomic beams

Ali Eshaghian Dorche, Bochao Wei, Chandra Raman, and Ali Adibi

Opt. Lett. 45(21), 5958-5961 (2020)  View: HTML | PDF

Highly efficient broadband silicon nitride polarization beam splitter incorporating serially cascaded asymmetric directional couplers

Bishal Bhandari, Chul-Soon Im, Om Raj Sapkota, and Sang-Shin Lee

Opt. Lett. 45(21), 5974-5977 (2020)  View: HTML | PDF

Pneumatically tunable optofluidic DFB dye laser using corrugated sidewalls

Tyler Sano, Jennifer Black, Sarah Mitchell, Han Zhang, and Holger Schmidt

Opt. Lett. 45(21), 5978-5981 (2020)  View: HTML | PDF

On-chip monitoring of far-field patterns using a planar diffractor in a silicon-based optical phased array

Joonsup Shim, Jong-Bum You, Hyun-Woo Rhee, Hyeonho Yoon, Seong-Hwan Kim, Kyoungsik Yu, and Hyo-Hoon Park

Opt. Lett. 45(21), 6058-6061 (2020)  View: HTML | PDF

Mode multiplexer for guided optical and acoustic waves

Nathan Dostart and Miloš A. Popović

Opt. Lett. 45(21), 6066-6069 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Chirp-compensated pulsed titanium–sapphire laser system for precision spectroscopy

J. Hussels, C. Cheng, E. J. Salumbides, and W. Ubachs

Opt. Lett. 45(21), 5909-5912 (2020)  View: HTML | PDF

Fabrication of antireflection microstructures on the surface of GaSe crystal by single-pulse femtosecond laser ablation

Andrey A. Bushunov, Andrei A. Teslenko, Mikhail K. Tarabrin, Vladimir A. Lazarev, Lyudmila I. Isaenko, Alexander P. Eliseev, and Sergei I. Lobanov

Opt. Lett. 45(21), 5994-5997 (2020)  View: HTML | PDF

Multi-millijoule, few-cycle 5 µm OPCPA at 1 kHz repetition rate

Lorenz von Grafenstein, Martin Bock, Dennis Ueberschaer, Esmerando Escoto, Azize Koç, Kevin Zawilski, Peter Schunemann, Uwe Griebner, and Thomas Elsaesser

Opt. Lett. 45(21), 5998-6001 (2020)  View: HTML | PDF

Ground fused silica processed by combined chemical etching and CO₂ laser polishing with super-smooth surface and high damage resistance

Zhen Cao, Chaoyang Wei, Xin Cheng, Yuanan Zhao, Xiaocong Peng, Zhigang Jiang, and Jianda Shao

Opt. Lett. 45(21), 6014-6017 (2020)  View: HTML | PDF

All-fiber mode-locked ytterbium-doped fiber laser with a saturable absorber based on the nonlinear Kerr beam cleanup effect

Baofu Zhang, Shanchao Ma, Sihua Lu, Qiurun He, Jing Guo, Zhongxing Jiao, and Biao Wang

Opt. Lett. 45(21), 6050-6053 (2020)  View: HTML | PDF

Measurement of absolute timing jitter of SESAM mode-locked lasers with yoctosecond sensitivity

Alexis Casanova, Antoine Courjaud, Benoît Trophème, and Giorgio Santarelli

Opt. Lett. 45(21), 6098-6101 (2020)  View: HTML | PDF

Giant nonreciprocal transmission in low-biased gyrotropic metasurfaces

Na Liu, Jia Zhao, Liuge Du, Chuanning Niu, Chonglei Sun, Xiangpeng Kong, Zuojia Wang, and Xun Li

Opt. Lett. 45(21), 5917-5920 (2020)  View: HTML | PDF

Topological optomechanically induced transparency

Farzad Zangeneh-Nejad and Romain Fleury

Opt. Lett. 45(21), 5966-5969 (2020)  View: HTML | PDF

Visible light OCT improves imaging through a highly scattering retinal pigment epithelial wall

Tingwei Zhang, Aaron M. Kho, Robert J. Zawadzki, Ravi S. Jonnal, Glenn Yiu, and Vivek J. Srinivasan

Opt. Lett. 45(21), 5945-5948 (2020)  View: HTML | PDF

Computational adaptive optics in phase-unstable optical coherence tomography

Sebastián Ruiz-Lopera, René Restrepo, Carlos Cuartas-Vélez, Brett E. Bouma, and Néstor Uribe-Patarroyo

Opt. Lett. 45(21), 5982-5985 (2020)  View: HTML | PDF  [Suppl. Mat. (5)]

Photoacoustic spectral analysis at ultraviolet wavelengths for characterizing the Gleason grades of prostate cancer

Janggun Jo, Javed Siddiqui, Yunhao Zhu, Linyu Ni, Sri-Rajasekhar Kothapalli, Scott A. Tomlins, John T. Wei, Evan T. Keller, Aaron M. Udager, Xueding Wang, and Guan Xu

Opt. Lett. 45(21), 6042-6045 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Terahertz pulse-altered gene networks in human induced pluripotent stem cells

Takehiro Tachizaki, Reiko Sakaguchi, Shiho Terada, Ken-Ichiro Kamei, and Hideki Hirori

Opt. Lett. 45(21), 6078-6081 (2020)  View: HTML | PDF  [Suppl. Mat. (7)]

Information sufficient segmentation and signal-to-noise ratio in stochastic optical localization nanoscopy

Yi Sun

Opt. Lett. 45(21), 6102-6105 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Suppression of relaxation–oscillations in intra-cavity optical parametric oscillators by two-photon absorption

Defeng Gao, Zhenwen Ding, and Zhaowei Zhang

Opt. Lett. 45(21), 5954-5957 (2020)  View: HTML | PDF

Development and experimental demonstration of negative first-order quasi-phase matching in a periodically poled Rb-doped KTiOPO₄ crystal

Yannick Petit, Alexandra Peña, Patricia Segonds, Jérôme Debray, Simon Joly, Andrius Zukauskas, Fredrik Laurell, Valdas Pasiskevicius, Carlota Canalias, and Benoît Boulanger

Opt. Lett. 45(21), 6026-6029 (2020)  View: HTML | PDF

Flexible tuning of nonlinear non-diffracting array beams using wavelengths and angles

Dongmei Liu, Yong Zhang, Xiaopeng Hu, Peng Han, Min Gu, and Min Xiao

Opt. Lett. 45(21), 6106-6109 (2020)  View: HTML | PDF

Implementation of the toroidal absorption cell with multi-layer patterns by a single ring surface

Hong Chang, Shiling Feng, Xuanbing Qiu, Huiyan Meng, Guqing Guo, Xiaohu He, Qiusheng He, Xiaohua Yang, Weiguang Ma, Ruifeng Kan, Christa Fittschen, and Chuanliang Li

Opt. Lett. 45(21), 5897-5900 (2020)  View: HTML | PDF

Designing high-performance nighttime thermoradiative systems for harvesting energy from outer space

Xin Zhang, Jianying Du, Jincan Chen, Lay Kee Ang, and Yee Sin Ang

Opt. Lett. 45(21), 5929-5932 (2020)  View: HTML | PDF

Tunable microring resonators using light-activated functional polymer coatings

Amado M. Velázquez-Benítez and Juan Hernández-Cordero

Opt. Lett. 45(21), 6030-6033 (2020)  View: HTML | PDF

Color discrimination metric based on the neutrality of lighting and hue transposition quantification

Qiang Liu, Ying Liu, Michael R. Pointer, Zheng Huang, Xinwei Wu, Zhiyu Chen, and Ming Ronnier Luo

Opt. Lett. 45(21), 6062-6065 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Multiport swept-wavelength interferometer with laser phase noise mitigation employing a broadband ultra-weak FBG array

Haoshuo Chen, Nicolas K. Fontaine, Juan Carlos Alvarado-Zacarias, Cheng Cheng, Marianne Bigot, Pierre Sillard, Roland Ryf, Mikael Mazur, David T. Neilson, Rodrigo Amezcua-Correa, and Minghong Yang

Opt. Lett. 45(21), 5913-5916 (2020)  View: HTML | PDF

Dual-output fs/ps burst-mode laser for megahertz-rate rotational coherent anti-Stokes Raman scattering

Michael E. Smyser, Erik L. Braun, Venkat Athmanathan, Mikhail N. Slipchenko, Sukesh Roy, and Terrence R. Meyer

Opt. Lett. 45(21), 5933-5936 (2020)  View: HTML | PDF

Frequency ratio of an ¹¹⁵In⁺ ion clock and a ⁸⁷Sr optical lattice clock

Nozomi Ohtsubo, Ying Li, Nils Nemitz, Hidekazu Hachisu, Kensuke Matsubara, Tetsuya Ido, and Kazuhiro Hayasaka

Opt. Lett. 45(21), 5950-5953 (2020)  View: HTML | PDF

Breaking limitations of fiber identification in traditional OFDR systems via compensation of initial optical frequency instability

Zheyi Yao, Thomas Mauldin, Zhenyu Xu, Gerald Hefferman, and Tao Wei

Opt. Lett. 45(21), 6086-6089 (2020)  View: HTML | PDF

High resolution, fast response fiber-optic temperature sensor with reduced end conduction effect

Qiwen Sheng, Bo Li, Nezam Uddin, Abu Farzan Mitul, Yupeng Zhu, Zhen Qiu, and Ming Han

Opt. Lett. 45(21), 6094-6097 (2020)  View: HTML | PDF

Strain measurement range enhanced chirped pulse φ-OTDR for distributed static and dynamic strain measurement based on random fiber grating array

Yuan Wang, Ping Lu, Stephen Mihailov, Liang Chen, and Xiaoyi Bao

Opt. Lett. 45(21), 6110-6113 (2020)  View: HTML | PDF

Theory of slow-light semiconductor optical amplifiers

Marco Saldutti, Thorsten S. Rasmussen, Mariangela Gioannini, and Jesper Mørk

Opt. Lett. 45(21), 6022-6025 (2020)  View: HTML | PDF

Twisted ribbon carousels in random, three-dimensional optical fields

Isaac Freund

Opt. Lett. 45(21), 5905-5908 (2020)  View: HTML | PDF

A flexible numerical calculation method of angular spectrum based on matrix product

Wanli Zhao, Chenlu Wei, Caojin Yuan, Chenliang Chang, Jun Ma, and Rihong Zhu

Opt. Lett. 45(21), 5937-5940 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Ultraviolet C lasing at 263 nm from Ba₂LaF₇:Yb³⁺,Tm³⁺ upconversion nanocrystal microcavities

Ting Wang, Bitao Liu, Yue Lin, Qihua Yang, Wei Gao, Ming Jie Li, Jianbei Qiu, Xue Yu, Xuhui Xu, and Siu Fung Yu

Opt. Lett. 45(21), 5986-5989 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Tightly focused light field with controllable pure transverse polarization state at the focus

Lei Han, Shuxia Qi, Sheng Liu, Huachao Cheng, Peng Li, and Jianlin Zhao

Opt. Lett. 45(21), 6034-6037 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

High-performance terahertz vortex beam generator based on square-split-ring metasurfaces

Kaixiang Cheng, Zhengda Hu, Yiqing Wang, Jing Ma, and Jicheng Wang

Opt. Lett. 45(21), 6054-6057 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Dynamic polarization control for free-space continuous-variable quantum key distribution

Shiyu Wang, Peng Huang, Tao Wang, and Guihua Zeng

Opt. Lett. 45(21), 5921-5924 (2020)  View: HTML | PDF

Ptychographic reconstruction of pure quantum states

M. F. Fernandes, M. A. Solís-Prosser, and L. Neves

Opt. Lett. 45(21), 6002-6005 (2020)  View: HTML | PDF

Quantum random number generation based on spontaneous Raman scattering in standard single-mode fiber

Ying-Ying Hu, Xing Lin, Shuang Wang, Jia-Qi Geng, Zhen-Qiang Yin, Wei Chen, De-Yong He, Wei Huang, Bing-Jie Xu, Guang-Can Guo, and Zheng-Fu Han

Opt. Lett. 45(21), 6038-6041 (2020)  View: HTML | PDF

Ultimate conversion efficiency bound for the forward double-Λ atom–light coupling scheme

Dionisis Stefanatos, Athanasios Smponias, Hamid Reza Hamedi, and Emmanuel Paspalakis

Opt. Lett. 45(21), 6090-6093 (2020)  View: HTML | PDF  [Suppl. Mat. (1)]

Fiber laser system for standoff coherent Raman spectroscopy

Edoardo Vicentini, Alessio Gambetta, Gianluca Galzerano, Paolo Laporta, Kelly Curtis, Kenneth McEwan, Christopher R. Howle, and Nicola Coluccelli

Opt. Lett. 45(21), 5925-5928 (2020)  View: HTML | PDF

Sub-ppb detection of benzene using cantilever-enhanced photoacoustic spectroscopy with a long-wavelength infrared quantum cascade laser

Juho Karhu, Hadrien Philip, Alexei Baranov, Roland Teissier, and Tuomas Hieta

Opt. Lett. 45(21), 5962-5965 (2020)  View: HTML | PDF

High-resolution phase-sensitive sum frequency generation spectroscopy by time-domain ptychography

Tobias Schweizer, Bruno G. Nicolau, Priscila Cavassin, Thomas Feurer, Natalie Banerji, and Julien Réhault

Opt. Lett. 45(21), 6082-6085 (2020)  View: HTML | PDF  [Suppl. Mat. (5)]

Imprinting photon orbital angular momentum during laser-assisted photoemission from quantum wells

Jonas Wätzel, Alexander Blättermann, Dominik Schulz, Cheng-Tien Chiang, and Jamal Berakdar

Opt. Lett. 45(21), 5970-5973 (2020)  View: HTML | PDF

Near-single-mode 3 kW monolithic fiber oscillator based on a longitudinally spindle-shaped Yb-doped fiber: publisher’s note

Lingfa Zeng, Xiaoming Xi, Yun Ye, Hanwei Zhang, Xiaolin Wang, Zhiyong Pan, Zefeng Wang, and Xiaojun Xu

Opt. Lett. 45(21), 5949-5949 (2020)  View: HTML | PDF