OOIR: Observatory of International Research

Papers

(The H4-Index of Optics Letters is 46. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Imaginary coupling induced Dirac points and group velocity control in the non-reciprocal Hermitian lattice	113
Dual-channel bistability modulation in a bilayer graphene-based optomechanical system	104
Actively Q-switched self-frequency-doubled Yb:YCOB green laser with output power of a dozen watts	93
Vortex ring beams in nonlinear P T-symmetric systems	91
Dynamic control of the mode-locked fiber laser using a GO/PS modulator	91
In vivo biological safety investigation of Yb-CALGO femtosecond laser dental surgery	84
Coherent multi-band MIMO radar: robustness analysis to SSMF-based RF signal delivery	83
Coaxial dual-beam wavefront shaping using nonlocal diffractive metasurfaces in terahertz frequencies	83
Methods of correction to extrinsic parameters in a stereoscopic vision with the assistance of two known-distance points	80
Orthogonal hologram memory extending from visible to UV mediated with TaO_x/TiO₂:Ag heterojunctions	78
Flatbands in a bilayer surface plasmon crystal at a large twist angle due to interlayer strong coupling	77
Solid-state transverse Anderson localized fiber laser	74
Resonant silicon waveguide with strong transverse electric field rotation for magnetic-field-induced non-reciprocity	72
Observing multi-frequency structured illumination patterns based on an evanescent field in a millimeter-scale polymer slide	68
Quasi-distributed acoustic sensing based on optical path difference demodulation for high-frequency and large-amplitude using an optical fiber interferometer array	63
Broadband generation of quasi bound-state-in-continuum modes using subwavelength truncated cone resonators	63
Phase noise elimination in frequency sweeping interferometry based on a common-path interferometer	61
Enhancing THz emission from nonlinear metasurfaces by a Bragg perfect absorber	61
Experimental demonstration of an on-chip spatial light receiver based on inverse design in free-space optical communication	59
Non-Hermitian mode-locking synthesized by parity-time and anti-parity-time symmetric modulations	58
Long range topography by dispersion unmatched spectral-domain interferometry based on virtually imaged phased array modes	58
Ultracompact and ultralow-loss S-bends with easy fabrication by numerical optimization	57
Transmitter dispersion eye closure quaternary assessment based on linear CNN with 1 × 1 convolutional kernel	56
1.9 µJ external-cavity dumped ultra-broad-area semiconductor nanosecond laser	55
Optical phased array with 2D beam steering based on nonlinear beam mixing	54

Complexity curtailed MLSE equalizer based on a compact look-up-table for C-band DSB IM/DD transmission	53
Coherent N₂ ⁺ emission mediated by coherent Raman scattering for gas-phase thermometry	52
Entanglement-enhanced phase sensitivity at low frequencies in a truncated SU(1,1) interferometer	51
Handheld volumetric photoacoustic/ultrasound imaging using an internal scanning mechanism	51
Design of compact surface-emitting nanolasers based on topological guided-mode resonance	51
Dispersion-engineered low-crosstalk metasurface for mid-infrared snapshot multi-spectral imaging	50
Ultra-broadband optical amplifiers based on bismuth-doped heterogeneous-core fibers	50
Theoretical investigation of pure-state single-photon and large-bandwidth-correlation biphoton generation from micro/nanofiber	49
Shack–Hartmann wavefront sensor slope measurement algorithm robust to scintillation and sensor saturation	49
Rapid fabrication of highly uniform polygons by femtosecond laser patterning based on free lens modulation	49
Line integral compressed ultrafast photography for large time-scale measurements	49
Coherently averaged optical frequency comb spectroscopy with a single electro-optic modulator	48
Fast polarization independent tunable liquid crystal Solc filter using Sagnac configuration	48
Single-crystal CsPbBr₃-based vertical cavity surface emitting laser	48
Hyperspectral imaging of acoustically trapped plastics	47
Unified Stokes–Mueller polarimetry for multi-photon processes at varying wavelengths	47
Efficient temporal compression of 10-μJ pulses in periodic layered Kerr media: publisher’s note	47
Geometric-phase-based axicon lens for computational achromatic imaging	46
Computational refocusing in phase-unstable polarization-sensitive optical coherence tomography	46
Nonlinear Airy beam propagation in defected photonic lattices	46
A silicon source of frequency-bin entangled photons	46