OOIR: Observatory of International Research

Papers

(The H4-Index of Optics Letters is 44. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Methods of correction to extrinsic parameters in a stereoscopic vision with the assistance of two known-distance points	167
High-efficiency thermo-optic control of a longitudinal radiation angle in a silicon-based optical phased array by leveraging the backside air trench structure	154
Helically twisted nonlinear photonic crystals	108
Coulomb potential determining terahertz polarization in a two-color laser field	99
Orthogonal hologram memory extending from visible to UV mediated with TaO_x/TiO₂:Ag heterojunctions	97
Flatbands in a bilayer surface plasmon crystal at a large twist angle due to interlayer strong coupling	95
Solid-state transverse Anderson localized fiber laser	77
Construction of multiple anti-resonant light guidance mechanisms in a hollow-core fiber structure for simultaneous measurement of multiple parameters	77
Bifocal lenses with adjustable intensities enabled by bilayer liquid crystal structures	77
Resonant silicon waveguide with strong transverse electric field rotation for magnetic-field-induced non-reciprocity	76
Observing multi-frequency structured illumination patterns based on an evanescent field in a millimeter-scale polymer slide	75
Viewpoint-dependent lighting on polygonal holograms using bump mapping	73
Mirrored transformation optics	72
Broadband generation of quasi bound-state-in-continuum modes using subwavelength truncated cone resonators	69
Efficient unidirectional SPP launcher: coupling the SPP to a smooth surface for propagation	68
Non-line-of-sight optical wireless communication system enabled by wavefront shaping for multi-user indoor access	66
High-fidelity mesoscopic fluorescence molecular tomography based on SSB-Net	66
Efficient continuous-wave Nd:YVO₄/KGW intracavity Raman laser	62
Coaxial dual-beam wavefront shaping using nonlocal diffractive metasurfaces in terahertz frequencies	61
Polarization multiplexing silicon photonic optical phased array with a wide scanning range	61
Quasi-distributed acoustic sensing based on optical path difference demodulation for high-frequency and large-amplitude using an optical fiber interferometer array	60
Utilizing quantitative phase microscopy to localize fluorescence in three dimensions via the transport of intensity equation	60
Enhancing THz emission from nonlinear metasurfaces by a Bragg perfect absorber	60
Phase noise elimination in frequency sweeping interferometry based on a common-path interferometer	57
High-sensitivity strain sensor based on a helical-core long-period fiber grating	56

Lensless masked imaging with self-calibrated phase retrieval	55
Experimental demonstration of visualized multi-core fiber coupling alignment system for inter-core cross talk measurement	54
High-energy Q-switched 16-core tapered rod-type fiber laser system	54
Single-shot multi-color fluorescence microscopy via a colorimetry camera	52
Extending mid-infrared wavelength to 6.84 μm in oxide nonlinear optical crystal via birefringence dispersion management	51
Fast rate dual-comb spectrometer in the water-transparent 7.5–11.5 µm region	50
Lithium niobate waveguide-integrated Bi₂Te₃/graphene heterojunction photodetector	49
High-quality factor Ta₂O₅-on-insulator resonators with ultimate thermal stability	49
Phase-matching-free ultrashort laser pulse characterization from a transient plasma lens	48
Magneto-optical effects in a high-Q whispering-gallery-mode resonator with a large Verdet constant	47
Coherent multi-band MIMO radar: robustness analysis to SSMF-based RF signal delivery	47
High-throughput multiplexed fluorescence lifetime microscopy	47
Wavelength extension beyond 3 µm in a Ho³⁺/Pr³⁺ co-doped AlF₃-based fiber laser	47
Geometry optimization of cantilever-based optical microphones	47
Asymmetric transmission devices empowered by a cascaded structure of a dielectric metasurface-photonic crystal	46
Experimental demonstration of an on-chip spatial light receiver based on inverse design in free-space optical communication	46
Polarization-insensitive vortex beam generator by the holographic grating on an integrated multi-layer waveguide	45
Long range topography by dispersion unmatched spectral-domain interferometry based on virtually imaged phased array modes	45
High-precision laser beam lateral displacement measurement based on differential wavefront sensing	44