OOIR: Observatory of International Research

Papers

(The H4-Index of Optics Letters is 42. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Imaginary coupling induced Dirac points and group velocity control in the non-reciprocal Hermitian lattice	103
Dual-channel bistability modulation in a bilayer graphene-based optomechanical system	95
Vortex ring beams in nonlinear P T-symmetric systems	90
Dynamic control of the mode-locked fiber laser using a GO/PS modulator	89
Coherent multi-band MIMO radar: robustness analysis to SSMF-based RF signal delivery	86
Coaxial dual-beam wavefront shaping using nonlocal diffractive metasurfaces in terahertz frequencies	84
Orthogonal hologram memory extending from visible to UV mediated with TaO_x/TiO₂:Ag heterojunctions	77
Flatbands in a bilayer surface plasmon crystal at a large twist angle due to interlayer strong coupling	72
Solid-state transverse Anderson localized fiber laser	63
Observing multi-frequency structured illumination patterns based on an evanescent field in a millimeter-scale polymer slide	62
Quasi-distributed acoustic sensing based on optical path difference demodulation for high-frequency and large-amplitude using an optical fiber interferometer array	60
Broadband generation of quasi bound-state-in-continuum modes using subwavelength truncated cone resonators	60
Enhancing THz emission from nonlinear metasurfaces by a Bragg perfect absorber	58
Phase noise elimination in frequency sweeping interferometry based on a common-path interferometer	57
Experimental demonstration of an on-chip spatial light receiver based on inverse design in free-space optical communication	55
Long range topography by dispersion unmatched spectral-domain interferometry based on virtually imaged phased array modes	54
Non-Hermitian mode-locking synthesized by parity-time and anti-parity-time symmetric modulations	54
Transmitter dispersion eye closure quaternary assessment based on linear CNN with 1 × 1 convolutional kernel	54
Ultracompact and ultralow-loss S-bends with easy fabrication by numerical optimization	54
Optical phased array with 2D beam steering based on nonlinear beam mixing	52
1.9 µJ external-cavity dumped ultra-broad-area semiconductor nanosecond laser	52
Complexity curtailed MLSE equalizer based on a compact look-up-table for C-band DSB IM/DD transmission	51
Coherent N₂ ⁺ emission mediated by coherent Raman scattering for gas-phase thermometry	51
Design of compact surface-emitting nanolasers based on topological guided-mode resonance	50
Dispersion-engineered low-crosstalk metasurface for mid-infrared snapshot multi-spectral imaging	50

Handheld volumetric photoacoustic/ultrasound imaging using an internal scanning mechanism	50
Entanglement-enhanced phase sensitivity at low frequencies in a truncated SU(1,1) interferometer	50
Rapid fabrication of highly uniform polygons by femtosecond laser patterning based on free lens modulation	49
Coherently averaged optical frequency comb spectroscopy with a single electro-optic modulator	47
Unified Stokes–Mueller polarimetry for multi-photon processes at varying wavelengths	47
Hyperspectral imaging of acoustically trapped plastics	47
Nonlinear Airy beam propagation in defected photonic lattices	47
Longitudinal manipulation of local nonseparability in vector beams	46
Geometric-phase-based axicon lens for computational achromatic imaging	46
Bio-inspired heterogeneous metacrystal for high-efficiency solar energy harvesting	45
Fano resonance in a dolomite phase-change multilayer design for dynamically tunable omnidirectional monochromatic thermal emission	45
Asymmetric transmission devices empowered by a cascaded structure of a dielectric metasurface-photonic crystal	45
Polarization-insensitive vortex beam generator by the holographic grating on an integrated multi-layer waveguide	43
Coulomb potential determining terahertz polarization in a two-color laser field	43
Raman spectroscopy with a microfluidic device embedded with plasmonic metasurface	43
Scene-aware virtual lens group for achromatic extended depth-of-field imaging	42
Maximizing the forward scattering of dielectric nanoantennas through surface impedance coatings	42
Multi-grayscale driving system for a passive-matrix alternating current electroluminescence display with low crosstalk by an asymmetric half-voltage driving strategy	42
200-km multi-user fully connected quantum entanglement distribution network in noisy environments	42