OOIR: Observatory of International Research

Papers

(The TQCC of Optics Letters is 8. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
10.4 kW coherently combined ultrafast fiber laser	187
On a universal solution to the transport-of-intensity equation	102
High-speed computer-generated holography using an autoencoder-based deep neural network	96
Postcompression of picosecond pulses into the few-cycle regime	94
Slow light waveguides in topological valley photonic crystals	93
AlGaN-based deep ultraviolet micro-LED emitting at 275 nm	89
Reconfigurable all-optical nonlinear activation functions for neuromorphic photonics	84
On-chip tunable microdisk laser fabricated on Er³⁺-doped lithium niobate on insulator	81
H-shaped acoustic micro-resonator-based quartz-enhanced photoacoustic spectroscopy	81
Efficient erbium-doped thin-film lithium niobate waveguide amplifiers	78
Kilowatt-average-power compression of millijoule pulses in a gas-filled multi-pass cell	74
Tunable 3D Dirac-semimetals supported mid-IR hybrid plasmonic waveguides	67
Symmetric metasurface with dual band polarization-independent high-Q resonances governed by symmetry-protected BIC	66
Acoustic microresonator based in-plane quartz-enhanced photoacoustic spectroscopy sensor with a line interaction mode	65
Spectral broadening of 112 mJ, 1.3 ps pulses at 5 kHz in a LG₁₀ multipass cell with compressibility to 37 fs	65
1 kW, 10 mJ, 120 fs coherently combined fiber CPA laser system	62
Greater than one billion Q factor for on-chip microresonators	61
Reaching fiber-laser coherence in integrated photonics	61
Scheme of coherent optical chaos communication	59
Optoretinogram: optical measurement of human cone and rod photoreceptor responses to light	58
Coupled cavity-waveguide based on topological corner state and edge state	58
1.1 J Yb:YAG picosecond laser at 1 kHz repetition rate	58
Hollow-core resonator fiber optic gyroscope using nodeless anti-resonant fiber	57
Fast Mueller matrix microscope based on dual DoFP polarimeters	57
Low-loss edge-coupling thin-film lithium niobate modulator with an efficient phase shifter	56

Multipass cell for high-power few-cycle compression	55
Single-cycle, MHz repetition rate THz source with 66 mW of average power	53
Residual D²NN: training diffractive deep neural networks via learnable light shortcuts	53
Multi-pass quartz-enhanced photoacoustic spectroscopy-based trace gas sensing	52
Wide-angle speckleless DMD holographic display using structured illumination with temporal multiplexing	52
Snapshot multispectral endomicroscopy	51
Active control of near-field radiative heat transfer by a graphene-gratings coating-twisting method	50
InGaN quantum well with gradually varying indium content for high-efficiency GaN-based green light-emitting diodes	50
Effect of interband polarization on a solid's high-order-harmonic generation just belowthe band gap	50
Y4-Net: a deep learning solution to one-shot dual-wavelength digital holographic reconstruction	50
DNN-FZA camera: a deep learning approach toward broadband FZA lensless imaging	50
Digital holographic deep learning of red blood cells for field-portable, rapid COVID-19 screening	49
Trace gas sensing based on single-quartz-enhanced photoacoustic–photothermal dual spectroscopy	49
Broadband silicon nitride nanophotonic phased arrays for wide-angle beam steering	48
Light propagation through metamaterial temporal slabs: reflection, refraction, and special cases	48
Super tiny quartz-tuning-fork-based light-induced thermoelastic spectroscopy sensing	48
Experimental demonstration of a tunable photonic hook by a partially illuminated dielectric microcylinder	47
Ultra-broadband polarization beam splitter with silicon subwavelength-grating waveguides	46
Optical analog computing of two-dimensional spatial differentiation based on the Brewster effect	46
High-speed integrated micro-LED array for visible light communication	45
Enhancing terahertz molecular fingerprint detection by a dielectric metagrating	45
Enhanced light extraction of the deep-ultraviolet micro-LED via rational design of chip sidewall	44
Lattice-induced plasmon hybridization in metamaterials	44
161 W middle infrared ZnGeP₂ MOPA system pumped by 300 W-class Ho:YAG MOPA system	44
Silicon photonic microelectromechanical phase shifters for scalable programmable photonics	44
Mach–Zehnder silicon-photonic switch with low random phase errors	44
Experimental optical trapping with frozen waves	43
Switchable and spacing tunable dual-wavelength spatiotemporal mode-locked fiber laser	43
Auto-focusing and self-healing of symmetric odd-Pearcey Gauss beams	43
2 Gbps free-space ultraviolet-C communication based on a high-bandwidth micro-LED achieved with pre-equalization	42
Multi-millijoule, few-cycle 5 µm OPCPA at 1 kHz repetition rate	42
Efficient second-harmonic generation in high Q-factor asymmetric lithium niobate metasurfaces	42
Bound states in the continuum supported by silicon oligomer metasurfaces	42
Investigation of InGaN-based red/green micro-light-emitting diodes	42
Wide-angle polarization selectivity based on anomalous defect mode in photonic crystal containing hyperbolic metamaterials	41
Multi-foci metalens for terahertz polarization detection	41
Photonic simulation of giant atom decay	41
On-chip erbium-doped lithium niobate microring lasers	41
70 mJ nonlinear compression and scaling route for an Yb amplifier using large-core hollow fibers	41
Combining nonlinear Fourier transform and neural network-based processing in optical communications	40
Multiplexable intrinsic Fabry–Perot interferometric fiber sensors for multipoint hydrogen gas monitoring	40
Electro-optically tunable microring laser monolithically integrated on lithium niobate on insulator	40
Chiral plasmonic metasurface absorbers in the mid-infrared wavelength range	40
2 Gbps/3 m air–underwater optical wireless communication based on a single-layer quantum dot blue micro-LED	40
Tunable multiresonance using complementary circular metamaterial	40
Optical tuning of dielectric nanoantennas for thermo-optically reconfigurable nonlinear metasurfaces	39
15 W monolithic fiber laser at 3.55 µm	39
17.8 fs broadband Kerr-lens mode-locked Yb:CALGO oscillator	39
Fully reconfigurable coherent optical vector–matrix multiplication	39
Image-free real-time 3-D tracking of a fast-moving object using dual-pixel detection	39

Deep neural network inversion for 3D laser absorption imaging of methane in reacting flows	38
High sensitivity multitasking non-reciprocity sensor using the photonic spin Hall effect	38
Adaptive sigmoid-like and PReLU activation functions for all-optical perceptron	38
Experimental demonstration of high-rate discrete-modulated continuous-variable quantum key distribution system	38
Dynamic contrast in scanning microscopic OCT	38
All-fiber third-order orbital angular momentum mode generation employing an asymmetric long-period fiber grating	38
Steering non-Hermitian skin modes by synthetic gauge fields in optical ring resonators	38
Ultralow 0.034 dB/m loss wafer-scale integrated photonics realizing 720 million Q and 380 μW threshold Brillouin lasing	38
Generation of above-terawatt 1.5-cycle visible pulses at 1 kHz by post-compression in a hollow fiber	37
Magnetic wire: transverse magnetism in a one-dimensional plasmonic system	37
Phase-change metasurface with tunable and switchable circular dichroism	37
Tunable metamaterial-based silicon waveguide	37
Megahertz-rate OH planar laser-induced fluorescence imaging in a rotating detonation combustor	37
Topological rainbow based on graded topological photonic crystals	37
Low-noise high-order Raman fiber laser pumped by random lasing	37
Highly efficient thermo-optic tunable micro-ring resonator based on an LNOI platform	37
Multifunctional optical fiber sensor for simultaneous measurement of temperature and salinity	37
Full-field real-time characterization of creeping solitons dynamics in a mode-locked fiber laser	37
Power stable 1.5–10.5 µm cascaded mid-infrared supercontinuum laser without thulium amplifier	37
Analog-digital hybrid chaos-based long-haul coherent optical secure communication	37
Linear array focused-laser differential interferometry for single-shot multi-point flow disturbance measurements	36
Perfectly vertical surface grating couplers using subwavelength engineering for increased feature sizes	36
Resonance-trapped bound states in the continuum in metallic THz metasurfaces	36
Aberration-free pupil steerable Maxwellian display for augmented reality with cholesteric liquid crystal holographic lenses	36
5 kW monolithic fiber amplifier employing homemade spindle-shaped ytterbium-doped fiber	36
Dual-toroidal dipole excitation on permittivity-asymmetric dielectric metasurfaces	36
Experimental demonstration of single-mode topological valley-Hall lasing at telecommunication wavelength controlled by the degree of asymmetry	36
Two-step phase-shifting interferometry for self-interference digital holography	36
Chaotic optical communications at 56 Gbit/s over 100-km fiber transmission based on a chaos generation model driven by long short-term memory networks	36
Mode-multiplex plasmonic sensor for multi-analyte detection	36
Generation of 1 µJ and 40 fs pulses from a large mode area gain-managed nonlinear amplifier	36
Ultraviolet to mid-infrared supercontinuum generation in single-crystalline aluminum nitride waveguides	35
IPLNet: a neural network for intensity-polarization imaging in low light	35
Gas-plasma-based generation of broadband terahertz radiation with 640 mW average power	35
Broadband dispersionless topological slow light	35
150 J DPSSL operating at 1.5 kW level	35
Dynamically reversible and strong circular dichroism based on Babinet-invertible chiral metasurfaces	35
Efficient and highly tunable second-harmonic generation in Z-cut periodically poled lithium niobate nanowaveguides	35
Conversion efficiency of soliton Kerr combs	35
Simultaneous generation of the second- and third-order OAM modes by using a high-order helical long-period fiber grating	35
On-chip ultra-narrow-linewidth single-mode microlaser on lithium niobate on insulator	35
Thin-disk laser system operating above 10 kW at near fundamental mode beam quality	34
Highly sensitive multi-stage terahertz parametric detector	34
Full-color micro-LED display based on a single chip with two types of InGaN/GaN MQWs	34
Radial-cavity quartz-enhanced photoacoustic spectroscopy	34
Partially coherent Pearcey–Gauss beams	34
Weakly nonlinear topological gap solitons in Su–Schrieffer–Heeger photonic lattices	33
Depth-enhanced head-mounted light field displays based on integral imaging	33
Topological bimeronic beams	33
Symmetric Pearcey Gaussian beams	33
Energy-efficient thermo-optic silicon phase shifter with well-balanced overall performance	33
Extended-viewing-angle waveguide near-eye display with a polarization-dependent steering combiner	33
Wavelength-scanning lensfree on-chip microscopy for wide-field pixel-super-resolved quantitative phase imaging	33
High-speed electro-optic modulator based on silicon nitride loaded lithium niobate on an insulator platform	33
Real-time demonstration of 103.125-Gbps fiber–THz–fiber 2 × 2 MIMO transparent transmission at 360–430 GHz based on photonics	32
Flexible autofocusing properties of ring Pearcey beams by means of a cross phase	32
High-performance terahertz vortex beam generator based on square-split-ring metasurfaces	32
Simultaneous refractive index and temperature sensing based on a fiber surface waveguide and fiber Bragg gratings	32
Deep learning assisted Shack–Hartmann wavefront sensor for direct wavefront detection	32
Multiwavelength three-dimensional microscopy with spatially incoherent light, based on computational coherent superposition	32
Mid-infrared supercontinuum generation in silicon-germanium all-normal dispersion waveguides	32
Off-axis spiral phase mirrors for generating high-intensity optical vortices	32
Particle swarm optimization of silicon photonic crystal waveguide transition	32
Tunable single-mode laser on thin film lithium niobate	32
Fiber-optic photoacoustic gas sensor with temperature self-compensation	32
Thermally induced generation of platicons in optical microresonators	32
Multioptical bottles from second-order chirped symmetric Airy vortex beams	32
Multimode exposed core fiber specklegram sensor	31
302 W single-mode power from an Er/Yb fiber MOPA	31
Enhanced photon blockade in an optomechanical system with parametric amplification	31
Broad-bandwidth high-temporal-contrast carrier-envelope-phase-stabilized laser seed for 100 PW lasers	31
Beyond 25 Gbps optical wireless communication using wavelength division multiplexed LEDs and micro-LEDs	31
Confocal air-coupled ultrasonic optical coherence elastography probe for quantitative biomechanics	31
Orbital angular momentum beams generation from 61 channels coherent beam combining femtosecond digital laser	31
Motionless optical scanning holography	31
Room temperature mid-infrared fiber lasing beyond 5 µm in chalcogenide glass small-core step index fiber	31
Resonant dispersive wave emission in hollow capillary fibers filled with pressure gradients	31
Enhanced ablation efficiency using GHz bursts in micromachining fused silica	30
Entangled photons from subwavelength nonlinear films	30
Mechanical sharing dual-comb fiber laser based on an all-polarization-maintaining cavity configuration	30

Active beam manipulation and convolution operation in VO₂-integrated coding terahertz metasurfaces	30
Hollow-waveguide-based light-induced thermoelastic spectroscopy sensing	30
High-efficiency chirped grating couplers on lithium niobate on insulator	30
Video-rate lensless endoscope with self-calibration using wavefront shaping	30
Demonstration of a compact, multi-joule, diode-pumped Tm:YLF laser	30
Ultra-compact silicon mode-order converters based on dielectric slots	30
Nonreciprocal absorber with a narrow band of angular polarization sensitive regions based on a quasi-periodic structure	30
Forgery attack on optical encryption based on computational ghost imaging	30
Liquid crystal integrated metalens with dynamic focusing property	30
Lithography-free flexible perfect broadband absorber in visible light based on an all-dielectric multilayer structure	29
Lidar system based on lens assisted integrated beam steering	29
Precision glass molding of diffractive optical elements with high surface quality	29
Fabricating low loss waveguides over a large depth in glass by temperature gradient assisted femtosecond laser writing	29
Ultra-flat, low-noise, and linearly polarized fiber supercontinuum source covering 670–1390 nm	29
Megawatt pulses from an all-fiber and self-starting femtosecond oscillator	29
Single-size nanostructured metasurface for dual-channel vortex beam generation	29
Super-resolved multispectral lensless microscopy via angle-tilted, wavelength-multiplexed ptychographic modulation	29
Learning complex scattering media for optical encryption	29
Frequency comb generation in a pulse-pumped normal dispersion Kerr mini-resonator	29
Electrically pumped widely tunable O-band hybrid lithium niobite/III-V laser	29
Deep neural network for modeling soliton dynamics in the mode-locked laser	29
Coherent chaotic optical communication of 30 Gb/s over 340-km fiber transmission via deep learning	29
Multiband topological states in non-Hermitian photonic crystals	28
All fiber compact bending sensor with high sensitivity based on a multimode fiber embedded chirped long-period grating	28
5 W ultra-low-noise 2 µm single-frequency fiber laser for next-generation gravitational wave detectors	28
Symmetry-breaking bifurcations and ghost states in the fractional nonlinear Schrödinger equation with a PT-symmetric potential	28
Cascade recurrent neural network-assisted nonlinear equalization for a 100 Gb/s PAM4 short-reach direct detection system	28
Efficient electro-optical modulation on thin-film lithium niobate	28
Snapshot temporal compressive microscopy using an iterative algorithm with untrained neural networks	28
High fill factor microlens array fabrication using direct laser writing and its application in wavefront detection	28
Experimental quantum entanglement and teleportation by tuning remote spatial indistinguishability of independent photons	28
Ultracompact optical fiber acoustic sensors based on a fiber-top spirally-suspended optomechanical microresonator	28
Multipulse dynamics in a Mamyshev oscillator	28
Teaching optics to a machine learning network	28
All-fiber Mamyshev oscillator enabled by chirped fiber Bragg gratings	28
Experimental comparison of silica fibers for laser cooling	28
Continuous chirped-wave phase-sensitive optical time domain reflectometry	28
Near-single-mode 3 kW monolithic fiber oscillator based on a longitudinally spindle-shaped Yb-doped fiber	28
YVO₄ cascaded Raman laser for five-visible-wavelength switchable emission	28
Magnon laser based on Brillouin light scattering	28
Self validating Mueller matrix Micro–Mesoscope (SAMMM) for the characterization of biological media	27
Radiative loss control of an embedded silicon perfect absorber in the visible region	27
10-W-scale Kerr-lens mode-locked Yb:CALYO laser with sub-100-fs pulses	27
PAExM: label-free hyper-resolution photoacoustic expansion microscopy	27
Optical patching scheme for optical convolutional neural networks based on wavelength-division multiplexing and optical delay lines	27
Fast beam steering with an optical phased array	27
Design and experimental demonstration of a silicon multi-dimensional (de)multiplexer for wavelength-, mode- and polarization-division (de)multiplexing	27
Passive polarimetric imaging of millimeter and terahertz waves for personnel security screening	27
All-optical non-linear activation function for neuromorphic photonic computing using semiconductor Fano lasers	27
Microwave pulse generation via employing an electric signal modulator to achieve time-domain mode locking in an optoelectronic oscillator	27
Switchable imaging between edge-enhanced and bright-field based on a phase-change metasurface	27
Predictability, distinguishability, and entanglement	27
Ultrafast 3.5 µm fiber laser	27
Photoswitchable stimulated Raman scattering spectroscopy and microscopy	27
Effective discrimination of chiral molecules in a cavity	27
Non-diffracting and self-accelerating Bessel beams with on-demand tailored intensity profiles along arbitrary trajectories	27
Design and simulation of a GST-based metasurface with strong and switchable circular dichroism	27
Terahertz image super-resolution based on a complex convolutional neural network	27
Transmissive resonant fiber-optic gyroscope employing Kagome hollow-core photonic crystal fiber resonator	27
ErAs:In(Al)GaAs photoconductor-based time domain system with 4.5 THz single shot bandwidth and emitted terahertz power of 164 µW	27
Color computational ghost imaging based on a generative adversarial network	27
3D printing of silica glass through a multiphoton polymerization process	27
Bragg solitons in topological Floquet insulators	26
Nonreciprocal conventional photon blockade in driven dissipative atom-cavity	26
Lensless full-color holographic Maxwellian near-eye display with a horizontal eyebox expansion	26
Femtosecond laser auto-positioning direct writing of a multicore fiber Bragg grating array for shape sensing	26
Polarization splitting directional coupler using tilted subwavelength gratings	26
Terahertz spin-selective perfect absorption enabled by quasi-bound states in the continuum	26
Dispersion-like lineshape observed in cavity-enhanced saturation spectroscopy of HD at 1.4 µm	26
Rainbow trapping based on higher-order topological corner modes	26
Real-time observation of multi-soliton asynchronous pulsations in an L-band dissipative soliton fiber laser	26
32 Gb/s physical-layer secure optical communication over 200 km based on temporal dispersion and self-feedback phase encryption	26
Vector Lissajous laser beams	26
Depth-resolved optimization of a real-time sensorless adaptive optics optical coherence tomography	26
Vector partially coherent beams with prescribed non-uniform correlation structure	26
Coherent synthetic aperture imaging for visible remote sensing via reflective Fourier ptychography	26
3D printed hybrid refractive/diffractive achromat and apochromat for the visible wavelength range	26
Dual-periodically poled lithium niobate microcavities supporting multiple coupled parametric processes	26
Parallel emitted silicon nitride nanophotonic phased arrays for two-dimensional beam steering	26
Parallel gas spectroscopy using mid-infrared supercontinuum from a single Si₃N₄ waveguide	26
New temperature measurement method based on light-induced thermoelastic spectroscopy	26
Femtosecond laser direct-written fiber Bragg gratings with high reflectivity and low loss at wavelengths beyond 4 µm	25
Detection technique effect on rotational Doppler measurements	25
Random fiber laser based on a partial-reflection random fiber grating for high temperature sensing	25
Hybrid-integrated diode laser in the visible spectral range	25
Yb:GdScO₃ crystal for efficient ultrashort pulse lasers	25
Raman pure quartic solitons in Kerr microresonators	25
Waveguide-type Maxwellian near-eye display using a pin-mirror holographic optical element array	25
Thermal control of a Kerr microresonator soliton comb via an optical sideband	25
Experimental three-state measurement-device-independent quantum key distribution with uncharacterized sources	25
Implementation of the toroidal absorption cell with multi-layer patterns by a single ring surface	25
Multitarget imaging through scattering media beyond the 3D optical memory effect	25
Topological valley plasmon transport in bilayer graphene metasurfaces for sensing applications	25
Vector dynamics of pulsating solitons in an ultrafast fiber laser	25
Spatial and frequency-selective optical field coupling absorption in an ultra-thin random metasurface	25