1 May 2021, Volume 46, Issue 9, pp. 1999-2247  
63 articles

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Localized tilted fiber Bragg gratings induced by femtosecond laser line-by-line inscription

Opt. Lett. 46(9), 2204-2207 (2021)  View: HTML | PDF

Computation efficient sparse DNN nonlinear equalization for IM/DD 112 Gbps PAM4 inter-data center optical interconnects

Opt. Lett. 46(9), 1999-2002 (2021)  View: HTML | PDF

Femtosecond laser inscribed chirped fiber Bragg gratings

Opt. Lett. 46(9), 2059-2062 (2021)  View: HTML | PDF

2 Gbps free-space ultraviolet-C communication based on a high-bandwidth micro-LED achieved with pre-equalization

Opt. Lett. 46(9), 2147-2150 (2021)  View: HTML | PDF

2.5 Gbps free-space optical transmission between two 5G airship floating base stations at a distance of 12 km

Opt. Lett. 46(9), 2156-2159 (2021)  View: HTML | PDF

Photorealistic computer generated holography with global illumination and path tracing

open access Opt. Lett. 46(9), 2188-2191 (2021)  View: HTML | PDF  [Suppl. Mat. (2)]

Time-domain single photon-excited autofluorescence lifetime for label-free detection of T cell activation

Opt. Lett. 46(9), 2168-2171 (2021)  View: HTML | PDF

Computed tomography imaging spectrometry based on superiorization and guided image filtering

Opt. Lett. 46(9), 2208-2211 (2021)  View: HTML | PDF

Rabi oscillations of bound states in the continuum

Opt. Lett. 46(9), 2091-2094 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Electro-optically tunable microring laser monolithically integrated on lithium niobate on insulator

Opt. Lett. 46(9), 2127-2130 (2021)  View: HTML | PDF

Racetrack microresonator based electro-optic phase shifters on a 3C silicon-carbide-on-insulator platform

Opt. Lett. 46(9), 2135-2138 (2021)  View: HTML | PDF

Ultra-high extinction ratio polarization beam splitter with extreme skin-depth waveguide

Opt. Lett. 46(9), 2164-2167 (2021)  View: HTML | PDF

CMOS-compatible integrated 4-f system for mode-transparent spatial manipulation

Opt. Lett. 46(9), 2220-2223 (2021)  View: HTML | PDF

Silicate-clad heavily Yb3+ doped phosphate core multimaterial fiber with a high gain per unit length for mode-locked fiber laser applications

Opt. Lett. 46(9), 2027-2030 (2021)  View: HTML | PDF

Generation of optically synchronized pump–signal beams for ultrafast OPCPA via the optical Kerr effect

Opt. Lett. 46(9), 2035-2038 (2021)  View: HTML | PDF

Sulfur-doped graphitic carbon nitride for Tm:YAIO3 laser operation at 2.3 µm

Opt. Lett. 46(9), 2043-2046 (2021)  View: HTML | PDF

Powerful Q-switched Raman laser at 589 nm with a repetition rate between 200 and 500 kHz

Opt. Lett. 46(9), 2063-2066 (2021)  View: HTML | PDF

Comparison of single- and dual-mode lasing states of a hybrid-cavity laser under optical feedback

Opt. Lett. 46(9), 2115-2118 (2021)  View: HTML | PDF

High pulse energy ZnGeP2 OPO directly pumped by a Q-switched Tm3+-doped single-oscillator fiber laser

Opt. Lett. 46(9), 2139-2142 (2021)  View: HTML | PDF

219.6 W large-mode-area Er:Yb codoped fiber amplifier operating at 1600 nm pumped by 1018 nm fiber lasers

Opt. Lett. 46(9), 2192-2195 (2021)  View: HTML | PDF

Enhanced 3.9 µm emission from diode pumped Ho3+/Eu3+ codoped fluoroindate glasses

Opt. Lett. 46(9), 2031-2034 (2021)  View: HTML | PDF

Inverse design of unparametrized nanostructures by generating images from spectra

open access Opt. Lett. 46(9), 2087-2090 (2021)  View: HTML | PDF

Editors' Pick

High-purity CVD-ZnSe polycrystal as a magneto-active medium for a multikilowatt Faraday isolator

Opt. Lett. 46(9), 2119-2122 (2021)  View: HTML | PDF

Which plasmonic nano-antenna is best for free-space out-coupling of single photon emission from a hyperbolic metamaterial resonator?

Opt. Lett. 46(9), 2212-2215 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Development of a terahertz wave circular polarizer using a 2D array of metallic helix metamaterial

Opt. Lett. 46(9), 2232-2235 (2021)  View: HTML | PDF

Computational adaptive optics for polarization-sensitive optical coherence tomography

Opt. Lett. 46(9), 2071-2074 (2021)  View: HTML | PDF

Axial line-scanning stimulated emission depletion fluorescence correlation spectroscopy

Opt. Lett. 46(9), 2184-2187 (2021)  View: HTML | PDF

Wavelength-scanning lensfree on-chip microscopy for wide-field pixel-super-resolved quantitative phase imaging

Opt. Lett. 46(9), 2023-2026 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Image enhancement for fluorescence microscopy based on deep learning with prior knowledge of aberration

Opt. Lett. 46(9), 2055-2058 (2021)  View: HTML | PDF

Near-field nonlinear imaging of an anapole mode beyond diffraction limit

Opt. Lett. 46(9), 2095-2098 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Photoswitchable stimulated Raman scattering spectroscopy and microscopy

Opt. Lett. 46(9), 2176-2179 (2021)  View: HTML | PDF

Adaptive sigmoid-like and PReLU activation functions for all-optical perceptron

Opt. Lett. 46(9), 2003-2006 (2021)  View: HTML | PDF

Hydrophobic passivation of ultra-high-Q silica wedge resonators using hexamethyldisilazane

Opt. Lett. 46(9), 2019-2022 (2021)  View: HTML | PDF

Seeded optical parametric generation in CdSiP2 pumped by a Raman fiber amplifier at 1.24 µm

Opt. Lett. 46(9), 2039-2042 (2021)  View: HTML | PDF

Sum frequency generation from touching wires: a transformation optics approach

Opt. Lett. 46(9), 2079-2082 (2021)  View: HTML | PDF

Topological solitons in arrays of modelocked lasers

Opt. Lett. 46(9), 2123-2126 (2021)  View: HTML | PDF

Intensity-correlated spiking of infrared and ultraviolet emission from sodium vapors

Opt. Lett. 46(9), 2131-2134 (2021)  View: HTML | PDF

Localized modes and dark solitons sustained by nonlinear defects

Opt. Lett. 46(9), 2216-2219 (2021)  View: HTML | PDF

Generation of hyper-entangled states in strongly coupled topological defects

Opt. Lett. 46(9), 2244-2247 (2021)  View: HTML | PDF

Dynamic low-coherence interferometry using a double Fizeau cavity

Opt. Lett. 46(9), 2051-2054 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

High-speed and high-responsivity p-i-n waveguide photodetector at a 2 µm wavelength with a Ge0.92Sn0.08/Ge multiple-quantum-well active layer

Opt. Lett. 46(9), 2099-2102 (2021)  View: HTML | PDF

Dynamically tunable ultra-narrowband perfect absorbers for the visible-to-infrared range based on a microcavity integrated graphene pair

Opt. Lett. 46(9), 2236-2239 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Dual-period guided-mode resonance filters for SWIR multi-spectral image sensors

Opt. Lett. 46(9), 2240-2243 (2021)  View: HTML | PDF

High-accuracy deflectometric microscope system with a large slope range

Opt. Lett. 46(9), 2011-2014 (2021)  View: HTML | PDF

Editors' Pick

Simple heterodyne interferometer using a polarizing beam displacer

Opt. Lett. 46(9), 2015-2018 (2021)  View: HTML | PDF

Correction of aberration-induced phase errors in phase measuring deflectometry

Opt. Lett. 46(9), 2047-2050 (2021)  View: HTML | PDF

Single-shot measurement of the nonlinear refractive index of air at 9.2 µm with a picosecond terawatt CO2 laser

Opt. Lett. 46(9), 2067-2070 (2021)  View: HTML | PDF

Dual-frequency Doppler velocimeter based on delay interferometric optical phase-locking

Opt. Lett. 46(9), 2103-2106 (2021)  View: HTML | PDF

Microwave-photonic optical fiber interferometers for refractive index sensing with high sensitivity and a tunable dynamic range

Opt. Lett. 46(9), 2180-2183 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Long-range multicore optical fiber displacement sensor

Opt. Lett. 46(9), 2224-2227 (2021)  View: HTML | PDF

Simultaneous transmission, detection, and energy harvesting

Opt. Lett. 46(9), 2075-2078 (2021)  View: HTML | PDF  [Suppl. Mat. (4)]

Microwave pulse generation via employing an electric signal modulator to achieve time-domain mode locking in an optoelectronic oscillator

open access Opt. Lett. 46(9), 2107-2110 (2021)  View: HTML | PDF

Full wafer scale electroluminescence properties of AlGaN-based deep ultraviolet LEDs with different well widths

Opt. Lett. 46(9), 2111-2114 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Terahertz optical Hall effect in p-type monolayer hexagonal boron nitride on fused silica substrate

Opt. Lett. 46(9), 2196-2199 (2021)  View: HTML | PDF

Wide-band self-collimation in a low-refractive-index hexagonal lattice

Opt. Lett. 46(9), 2228-2231 (2021)  View: HTML | PDF

Poincaré sphere of electromagnetic spatial coherence

Opt. Lett. 46(9), 2143-2146 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Semi-permeable resonant aluminum gratings for structural coloration in transmission

Opt. Lett. 46(9), 2200-2203 (2021)  View: HTML | PDF

Simple quantum key distribution using a stable transmitter-receiver scheme

Opt. Lett. 46(9), 2152-2155 (2021)  View: HTML | PDF

Radiocarbon dioxide detection using cantilever-enhanced photoacoustic spectroscopy

open access Opt. Lett. 46(9), 2083-2086 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Pulse-burst spontaneous Raman thermometry of unsteady wave phenomena in a shock tube

Opt. Lett. 46(9), 2160-2163 (2021)  View: HTML | PDF

Revisiting spontaneous Raman scattering for direct oxygen atom quantification

Opt. Lett. 46(9), 2172-2175 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Observing quantum-path interference and Van Hove singularity in polarization-resolved high-harmonic spectroscopy

Opt. Lett. 46(9), 2007-2010 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Measurement of the transverse spatial quantum state of light at the single-photon level: publisher’s note

open access Opt. Lett. 46(9), 2151-2151 (2021)  View: HTML | PDF