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 2021-10-01 to 2025-10-01.)

Article	Citations
Methods of correction to extrinsic parameters in a stereoscopic vision with the assistance of two known-distance points	121
Coulomb potential determining terahertz polarization in a two-color laser field	107
Orthogonal hologram memory extending from visible to UV mediated with TaO_x/TiO₂:Ag heterojunctions	102
Bifocal lenses with adjustable intensities enabled by bilayer liquid crystal structures	86
Flatbands in a bilayer surface plasmon crystal at a large twist angle due to interlayer strong coupling	86
Construction of multiple anti-resonant light guidance mechanisms in a hollow-core fiber structure for simultaneous measurement of multiple parameters	81
Solid-state transverse Anderson localized fiber laser	79
Resonant silicon waveguide with strong transverse electric field rotation for magnetic-field-induced non-reciprocity	78
Observing multi-frequency structured illumination patterns based on an evanescent field in a millimeter-scale polymer slide	77
Mirrored transformation optics	76
Broadband generation of quasi bound-state-in-continuum modes using subwavelength truncated cone resonators	76
Coaxial dual-beam wavefront shaping using nonlocal diffractive metasurfaces in terahertz frequencies	74
Enhancing THz emission from nonlinear metasurfaces by a Bragg perfect absorber	73
Quasi-distributed acoustic sensing based on optical path difference demodulation for high-frequency and large-amplitude using an optical fiber interferometer array	73
Phase noise elimination in frequency sweeping interferometry based on a common-path interferometer	70
Single-shot multi-color fluorescence microscopy via a colorimetry camera	67
High-throughput multiplexed fluorescence lifetime microscopy	62
Coherent multi-band MIMO radar: robustness analysis to SSMF-based RF signal delivery	62
Experimental demonstration of an on-chip spatial light receiver based on inverse design in free-space optical communication	59
Polarization-insensitive vortex beam generator by the holographic grating on an integrated multi-layer waveguide	59
Long range topography by dispersion unmatched spectral-domain interferometry based on virtually imaged phased array modes	59
Non-Hermitian mode-locking synthesized by parity-time and anti-parity-time symmetric modulations	57
Modeling of ultraviolet propagation from air to human epidermis with wavelength range of 200–300 nm	56
Ultracompact and ultralow-loss S-bends with easy fabrication by numerical optimization	54
Compact effective surface plasmon polariton transmission line with undiminished bandwidth and enhanced field confinement	53

Transmitter dispersion eye closure quaternary assessment based on linear CNN with 1 × 1 convolutional kernel	53
1.9 µJ external-cavity dumped ultra-broad-area semiconductor nanosecond laser	53
Optical phased array with 2D beam steering based on nonlinear beam mixing	52
Complexity curtailed MLSE equalizer based on a compact look-up-table for C-band DSB IM/DD transmission	52
Handheld volumetric photoacoustic/ultrasound imaging using an internal scanning mechanism	51
Coherent N₂ ⁺ emission mediated by coherent Raman scattering for gas-phase thermometry	51
Learning-enabled data transmission with up to 32 multiplexed orbital angular momentum channels through a commercial multi-mode fiber	50
Phase-coded coherent microwave pulse generation based on an actively mode-locked optoelectronic parametric oscillator	50
Mitigating nonlinear penalty induced from a low-speed optical supervisory channel on coherent signals	50
Dynamic control of the mode-locked fiber laser using a GO/PS modulator	50
Dual-channel bistability modulation in a bilayer graphene-based optomechanical system	49
Actively Q-switched self-frequency-doubled Yb:YCOB green laser with output power of a dozen watts	49
Imaginary coupling induced Dirac points and group velocity control in the non-reciprocal Hermitian lattice	49
Volterra predistorter for the dynamic nonlinearity of LED	49
Vortex ring beams in nonlinear P T-symmetric systems	48
Suppression of modulation instability in VCSEL by external optical injection	48
Temporally stable fiber amplifier pumped random distributed feedback Raman fiber laser with record output power	47
Mechanically induced enhancement and modulation of upconversion photoluminescence by bending lanthanide-doped perovskite oxides	47
In vivo biological safety investigation of Yb-CALGO femtosecond laser dental surgery	47
Broadband decoupled spin and orbital angular momentum detection via programming dual-twist reactive mesogens	47
Slotted surface gratings fabricated by selective area growth of the p-InP cladding layer for BH lasers	46
Helically twisted nonlinear photonic crystals	46
Wavefront shaping for reconfigurable beam steering in lithium niobate multimode waveguide	46
Efficient temporal compression of 10-μJ pulses in periodic layered Kerr media: publisher’s note	46