OOIR: Observatory of International Research

Papers

(The H4-Index of Optics Letters is 45. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Methods of correction to extrinsic parameters in a stereoscopic vision with the assistance of two known-distance points	113
Coulomb potential determining terahertz polarization in a two-color laser field	106
Orthogonal hologram memory extending from visible to UV mediated with TaO_x/TiO₂:Ag heterojunctions	101
Flatbands in a bilayer surface plasmon crystal at a large twist angle due to interlayer strong coupling	84
Bifocal lenses with adjustable intensities enabled by bilayer liquid crystal structures	83
Construction of multiple anti-resonant light guidance mechanisms in a hollow-core fiber structure for simultaneous measurement of multiple parameters	80
Resonant silicon waveguide with strong transverse electric field rotation for magnetic-field-induced non-reciprocity	78
Solid-state transverse Anderson localized fiber laser	78
Observing multi-frequency structured illumination patterns based on an evanescent field in a millimeter-scale polymer slide	77
Broadband generation of quasi bound-state-in-continuum modes using subwavelength truncated cone resonators	75
Mirrored transformation optics	75
Efficient unidirectional SPP launcher: coupling the SPP to a smooth surface for propagation	73
Coaxial dual-beam wavefront shaping using nonlocal diffractive metasurfaces in terahertz frequencies	73
Quasi-distributed acoustic sensing based on optical path difference demodulation for high-frequency and large-amplitude using an optical fiber interferometer array	72
Enhancing THz emission from nonlinear metasurfaces by a Bragg perfect absorber	70
Phase noise elimination in frequency sweeping interferometry based on a common-path interferometer	69
High-energy Q-switched 16-core tapered rod-type fiber laser system	65
Single-shot multi-color fluorescence microscopy via a colorimetry camera	61
High-quality factor Ta₂O₅-on-insulator resonators with ultimate thermal stability	59
Lithium niobate waveguide-integrated Bi₂Te₃/graphene heterojunction photodetector	59
Coherent multi-band MIMO radar: robustness analysis to SSMF-based RF signal delivery	58
High-throughput multiplexed fluorescence lifetime microscopy	56
Experimental demonstration of an on-chip spatial light receiver based on inverse design in free-space optical communication	56
Long range topography by dispersion unmatched spectral-domain interferometry based on virtually imaged phased array modes	55
Non-Hermitian mode-locking synthesized by parity-time and anti-parity-time symmetric modulations	54

Polarization-insensitive vortex beam generator by the holographic grating on an integrated multi-layer waveguide	54
Control of spectral shift, broadening, and pulse compression during mid-IR self-guiding in high-pressure gases and their mixtures	53
Robust pattern retrieval in an optical Hopfield neural network	53
Modeling of ultraviolet propagation from air to human epidermis with wavelength range of 200–300 nm	51
Ultracompact and ultralow-loss S-bends with easy fabrication by numerical optimization	51
Transmitter dispersion eye closure quaternary assessment based on linear CNN with 1 × 1 convolutional kernel	50
Compact effective surface plasmon polariton transmission line with undiminished bandwidth and enhanced field confinement	49
Coherent N₂ ⁺ emission mediated by coherent Raman scattering for gas-phase thermometry	49
Optical phased array with 2D beam steering based on nonlinear beam mixing	49
1.9 µJ external-cavity dumped ultra-broad-area semiconductor nanosecond laser	49
Complexity curtailed MLSE equalizer based on a compact look-up-table for C-band DSB IM/DD transmission	49
Dynamic control of the mode-locked fiber laser using a GO/PS modulator	48
Handheld volumetric photoacoustic/ultrasound imaging using an internal scanning mechanism	48
Phase-coded coherent microwave pulse generation based on an actively mode-locked optoelectronic parametric oscillator	48
Mitigating nonlinear penalty induced from a low-speed optical supervisory channel on coherent signals	47
Dual-channel bistability modulation in a bilayer graphene-based optomechanical system	47
Learning-enabled data transmission with up to 32 multiplexed orbital angular momentum channels through a commercial multi-mode fiber	47
Imaginary coupling induced Dirac points and group velocity control in the non-reciprocal Hermitian lattice	47
Volterra predistorter for the dynamic nonlinearity of LED	46
Suppression of modulation instability in VCSEL by external optical injection	45
Vortex ring beams in nonlinear P T-symmetric systems	45
Broadband decoupled spin and orbital angular momentum detection via programming dual-twist reactive mesogens	45
Actively Q-switched self-frequency-doubled Yb:YCOB green laser with output power of a dozen watts	45
Mechanically induced enhancement and modulation of upconversion photoluminescence by bending lanthanide-doped perovskite oxides	45