OOIR: Observatory of International Research

Papers

(The H4-Index of Optics Letters is 47. 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 2020-11-01 to 2024-11-01.)

Article	Citations
High-speed computer-generated holography using an autoencoder-based deep neural network	124
AlGaN-based deep ultraviolet micro-LED emitting at 275 nm	115
Efficient erbium-doped thin-film lithium niobate waveguide amplifiers	96
On-chip tunable microdisk laser fabricated on Er³⁺-doped lithium niobate on insulator	91
H-shaped acoustic micro-resonator-based quartz-enhanced photoacoustic spectroscopy	88
Symmetric metasurface with dual band polarization-independent high-Q resonances governed by symmetry-protected BIC	85
Kilowatt-average-power compression of millijoule pulses in a gas-filled multi-pass cell	82
Reaching fiber-laser coherence in integrated photonics	78
Low-loss edge-coupling thin-film lithium niobate modulator with an efficient phase shifter	73
Spectral broadening of 112 mJ, 1.3 ps pulses at 5 kHz in a LG₁₀ multipass cell with compressibility to 37 fs	73
InGaN quantum well with gradually varying indium content for high-efficiency GaN-based green light-emitting diodes	71
Tunable 3D Dirac-semimetals supported mid-IR hybrid plasmonic waveguides	71
1 kW, 10 mJ, 120 fs coherently combined fiber CPA laser system	69
Coupled cavity-waveguide based on topological corner state and edge state	69
Fast Mueller matrix microscope based on dual DoFP polarimeters	67
Acoustic microresonator based in-plane quartz-enhanced photoacoustic spectroscopy sensor with a line interaction mode	67
Hollow-core resonator fiber optic gyroscope using nodeless anti-resonant fiber	67
1.1 J Yb:YAG picosecond laser at 1 kHz repetition rate	66
Multipass cell for high-power few-cycle compression	65
Enhanced light extraction of the deep-ultraviolet micro-LED via rational design of chip sidewall	59
Broadband silicon nitride nanophotonic phased arrays for wide-angle beam steering	59
Multi-pass quartz-enhanced photoacoustic spectroscopy-based trace gas sensing	57
Super tiny quartz-tuning-fork-based light-induced thermoelastic spectroscopy sensing	57
Silicon photonic microelectromechanical phase shifters for scalable programmable photonics	57
161 W middle infrared ZnGeP₂ MOPA system pumped by 300 W-class Ho:YAG MOPA system	57

DNN-FZA camera: a deep learning approach toward broadband FZA lensless imaging	56
Wide-angle polarization selectivity based on anomalous defect mode in photonic crystal containing hyperbolic metamaterials	56
Digital holographic deep learning of red blood cells for field-portable, rapid COVID-19 screening	56
15 W monolithic fiber laser at 3.55 µm	54
Quartz-enhanced photoacoustic spectroscopy sensing using trapezoidal- and round-head quartz tuning forks	53
Ultralow 0.034 dB/m loss wafer-scale integrated photonics realizing 720 million Q and 380 μW threshold Brillouin lasing	53
Bound states in the continuum supported by silicon oligomer metasurfaces	53
Optical analog computing of two-dimensional spatial differentiation based on the Brewster effect	53
Investigation of InGaN-based red/green micro-light-emitting diodes	52
Trace gas sensing based on single-quartz-enhanced photoacoustic–photothermal dual spectroscopy	51
Topological bimeronic beams	51
Experimental demonstration of high-rate discrete-modulated continuous-variable quantum key distribution system	50
Switchable and spacing tunable dual-wavelength spatiotemporal mode-locked fiber laser	50
Simple technique of coupling a diode laser into a linear power buildup cavity for Raman gas sensing	50
Mach–Zehnder silicon-photonic switch with low random phase errors	50
High-speed electro-optic modulator based on silicon nitride loaded lithium niobate on an insulator platform	49
2 Gbps free-space ultraviolet-C communication based on a high-bandwidth micro-LED achieved with pre-equalization	49
Efficient second-harmonic generation in high Q-factor asymmetric lithium niobate metasurfaces	49
High sensitivity multitasking non-reciprocity sensor using the photonic spin Hall effect	48
Electro-optically tunable microring laser monolithically integrated on lithium niobate on insulator	48
Adaptive sigmoid-like and PReLU activation functions for all-optical perceptron	47
Real-time demonstration of 103.125-Gbps fiber–THz–fiber 2 × 2 MIMO transparent transmission at 360–430 GHz based on photonics	47
70 mJ nonlinear compression and scaling route for an Yb amplifier using large-core hollow fibers	47
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	47