OOIR: Observatory of International Research

Papers

(The H4-Index of Photonics Research is 49. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Bichromatically pumped artificial cnoidal wave breathers in optical microresonators	232
All-in-one photoelectric logic gates by Dember photodetectors	202
Active stabilization of terahertz waveforms radiated from a two-color air plasma	165
Integrating InP membranes on silicon-on-insulator via tunnel epitaxy for silicon photonics	135
Fourier domain mode-locked optoelectronic oscillator with an electrically tuned thin-film lithium niobate micro-ring filter	120
Giantly enhancing harmonic generations by a moiré superlattice nanocavity	120
Time-varying classical local entanglement of ultrafast vector light pulses	119
Speckle spatial correlations aiding optical transmission matrix retrieval: the smoothed Gerchberg–Saxton single-iteration algorithm	101
Tapered fiber coupling of nanoparticle-coated silica microspheres for multi-wavelength upconversion whispering gallery mode lasers	96
Flat-field superoscillation metalens	83
Particle delivery in generalized optical vortex conveyor belts with a uniform orbital flow	81
Slide-free histological imaging by microscopy with ultraviolet surface excitation using speckle illumination	73
Round-trip multi-band quantum access network	72
Turn-key Voigt optical frequency standard	72
Electron-beam-driven anomalous Doppler effects in Smith–Purcell radiation	72
Hole-Pillar Coupled Structure: A Universal Design Model for Two-Dimensional Gratings Fabricated by Dual-Beam Interference Lithography	70
On-chip sorting of orbital angular momentum beams using Bloch surface wave structures	70
Single-pixel super-resolution with a space–time modulated computational metasurface imager	69
Separation and imaging of mixed signals on microwave chips based on nitrogen-vacancy color center microscopy	69
Fully reconfigurable silicon photonic MEMS microring resonators for DWDM	67
Nearly 70 Gbit/s NRZ-OOK encoding of a dual-mode 850 nm VCSEL with a highly In-doped and small Zn-diffused emission area	66
Dispersion-engineered subwavelength grating microring resonator for high-sensitivity and wide-range on-chip sensing	65
Optoelectronic hybrid oscillating fiber-optic sensor with attosecond precision and reconfigurable sensitivity	63
Origin of SBS-induced mode distortion in high power narrow linewidth fiber amplifiers	63
Insight into the photoinduced phenomena in ternary Ge-Sb-Se sputtered thin films	62

Optical neural networks based on perovskite solar cells	61
Toward high-bandwidth yellow-green micro-LEDs utilizing nanoporous distributed Bragg reflectors for visible light communication	61
Tailoring directional chiral emission from molecules coupled to extrinsic chiral quasi-bound states in the continuum	61
Fourier ptychographic microscopy aided with transport of intensity equation for robust full phase spectrum reconstruction	60
High-speed silicon microring modulator at the 2 µm waveband with analysis and observation of optical bistability	60
Optically pumped low-threshold microdisk lasers on a GeSn-on-insulator substrate with reduced defect density	58
Monolithic dispersion engineered mid-infrared quantum cascade laser frequency comb	56
Monocular depth estimation based on deep learning for intraoperative guidance using surface-enhanced Raman scattering imaging	55
Silicon-based optical phased array with a reconfigurable aperture for “gaze” scanning of LiDAR	55
Broadband NIR-emitting Te cluster-doped glass for smart light source towards night-vision and NIR spectroscopy applications	54
Mid-infrared single-photon upconversion spectroscopy based on temporal-spectral quantum correlation	54
Mid-infrared broadband optical frequency comb generated in MgF₂ resonators	54
Universal silicon ring resonator for error-free transmission links	53
Gap solitons in parity–time symmetric moiré optical lattices	53
Performance improvement approaches for optical fiber SPR sensors and their sensing applications	53
Controllable split polarization singularities for ultra-precise displacement sensing	53
Polygon search algorithm for ultra-compact multifunctional integrated photonics design	51
Burst-mode pulse generation in passively mode-locked all-fiber green/orange lasers at 543 nm and 602 nm	51
Electron–phonon coupling enhanced by graphene/PZT heterostructure for infrared emission and optical information transmission	50
Continuous-wave III-V micro-ring lasers with position-controlled vertical QWs laterally integrated on SOI	50
Microscopic nonlinear optical activities and ultrafast carrier dynamics in layered AgInP₂S₆	49
Direct measurement of topological invariants in photonic superlattices	49
Virtual fluorescence labeling of mitochondria in phase images using a network with unpaired dataset	49
Directional emission in X-cut lithium niobate microresonators without chaos dynamics	49
High-harmonic generation in submicron-thick chirped periodically poled thin-film lithium niobate	49
Spin-dependent terahertz wavefront shaping based on hybrid phase in all-silicon chiral metasurfaces	49
Comb-mode resolved spectral domain interferometer enabled by a broadband electro-optic frequency comb	49