OOIR: Observatory of International Research

Papers

(The H4-Index of Optics Letters is 43. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Imaginary coupling induced Dirac points and group velocity control in the non-reciprocal Hermitian lattice	113
Coherent N₂ ⁺ emission mediated by coherent Raman scattering for gas-phase thermometry	98
Quasi-distributed acoustic sensing based on optical path difference demodulation for high-frequency and large-amplitude using an optical fiber interferometer array	98
Optically pumped semiconductor laser with intracavity stimulated Raman scattering for tunable output between 1160 and 1220nm	88
Efficient single-scattering look-up table for lidar and polarimeter water cloud studies	79
Compact effective surface plasmon polariton transmission line with undiminished bandwidth and enhanced field confinement	74
Tuning of optical force on Rayleigh particles by charges	69
Mitigating nonlinear penalty induced from a low-speed optical supervisory channel on coherent signals	65
Energy-level-dominated luminescence tuning of Mn²⁺-doped Cs₃Cu₂I₅ perovskites for single-component white LEDs	60
Efficient temporal compression of 10-μJ pulses in periodic layered Kerr media: publisher’s note	58
Liquid drop interferometry on reflective surfaces	56
Improved Camshift algorithm based on ECA-ResNet model for laser spot tracking in UOWC systems	55
A silicon source of frequency-bin entangled photons	55
Long-distance axial spectral encoding using space-time wave packets	55
Optofluidic SERS based on Ag nanocubes with high sensitivity for detecting a prevalent water pollutant	55
Non-invasive imaging using a low-spatial-coherence multimode random polymer fiber laser	54
Ultra-broadband optical amplifiers based on bismuth-doped heterogeneous-core fibers	54
Merging mirror-coupled bound states in the continuum at THz frequency	53
Theoretical investigation of pure-state single-photon and large-bandwidth-correlation biphoton generation from micro/nanofiber	51
Slotted surface gratings fabricated by selective area growth of the p-InP cladding layer for BH lasers	50
Fast polarization independent tunable liquid crystal Solc filter using Sagnac configuration	50
Geometrical projection identity-based 3D reconstruction for fringe projection profilometry	50
Lensless masked imaging with self-calibrated phase retrieval	50
MOPA laser system with a 4-channel Yb:YAG single-rod amplifier and coherent beam combining	50
Bio-inspired heterogeneous metacrystal for high-efficiency solar energy harvesting	48

Time-gated Raman spectroscopy using a 3D-stacked back-side illuminated CMOS SPAD array	47
Boundary-driven exceptional points in photonic waveguide lattices	47
1.9 µJ external-cavity dumped ultra-broad-area semiconductor nanosecond laser	46
Photonic extreme learning machine based on phase-sensitive optical-time-domain reflectometry of Rayleigh scattering from a long fiber	46
Passively Q-switched Tm:YLF laser at 2.3 µm: instability analysis and stabilization	46
Photonic spin Hall effect–enabled optical differentiation for real-time monitoring of chiral molecular dynamics	45
Hybrid silicon-chalcogenide glass-integrated photonic platform for EDFA-free four-wave mixing	45
Internal silicon laser processing with picosecond double pulses	45
Efficient generation of quantum light using bound states in the continuum in silicon-nanowire slow-light waveguides	44
Alleviation of DC drift in a thin-film lithium niobate modulator utilizing Ar⁺ ion milling	44
Energy disturbance-induced collision between soliton molecules and switch dynamics in fiber lasers: periodic collision, oscillation, and annihilation	44
200-km multi-user fully connected quantum entanglement distribution network in noisy environments	44
Linear-optics-based high-dimensional quantum gate with qudits	43
Non-ideal equivalent model-based terahertz nondestructive measurement for double-layer films	43
Single-parameter optimization of supercontinuum generation in bulk media based on effective interaction length	43
Integrated optical engine module based on TFLN multifunctional chip for interferometric fiber-optic gyroscope	43
Computational refocusing in phase-unstable polarization-sensitive optical coherence tomography	43
Route to pure-quartic solitons in the mid-infrared	43