OOIR: Observatory of International Research

Papers

(The H4-Index of Photonics Research is 51. 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 2022-08-01 to 2026-08-01.)

Article	Citations
All-in-one photoelectric logic gates by Dember photodetectors	286
Bichromatically pumped artificial cnoidal wave breathers in optical microresonators	221
Separation and imaging of mixed signals on microwave chips based on nitrogen-vacancy color center microscopy	142
Hole–pillar coupled structure: a universal design model for two-dimensional gratings fabricated by dual-beam interference lithography	107
Time-varying classical local entanglement of ultrafast vector light pulses	106
Dispersion-engineered subwavelength grating microring resonator for high-sensitivity and wide-range on-chip sensing	95
Monocular depth estimation based on deep learning for intraoperative guidance using surface-enhanced Raman scattering imaging	93
Round-trip multi-band quantum access network	91
Milliwatt-threshold integrated optical parametric oscillator for broadband amplifier-free squeezing	86
Local boundary modulation of photonic antichiral edge states	83
Gap solitons in parity–time symmetric moiré optical lattices	82
Silicon-based optical phased array with a reconfigurable aperture for “gaze” scanning of LiDAR	77
Electron-beam-driven anomalous Doppler effects in Smith–Purcell radiation	76
Particle delivery in generalized optical vortex conveyor belts with a uniform orbital flow	75
Large anisotropic steady-state and temporal optical response in a van der Waals crystal NbOI ₂	75
Elliptical-basis vectorial metagrating for full-Stokes polarimetry and polarization-encoded communication	75
Speckle spatial correlations aiding optical transmission matrix retrieval: the smoothed Gerchberg–Saxton single-iteration algorithm	74
Metasurface-integrated vertical-cavity surface-emitting lasers with adaptive beam control for high-temperature stable operation	73
On-chip sorting of orbital angular momentum beams using Bloch surface wave structures	71
Monolithic dispersion engineered mid-infrared quantum cascade laser frequency comb	70
20.2 W monolithic 3.5 μm fiber laser system using actively temperature-tuned femtosecond laser inscribed FBGs	68
Integrating InP membranes on silicon-on-insulator via tunnel epitaxy for silicon photonics	67
Origin of SBS-induced mode distortion in high power narrow linewidth fiber amplifiers	67
Fully reconfigurable silicon photonic MEMS microring resonators for DWDM	67
Tapered fiber coupling of nanoparticle-coated silica microspheres for multi-wavelength upconversion whispering gallery mode lasers	66

Quantum-enhanced postselected phase measurement with thermal light	66
Optical neural networks based on perovskite solar cells	66
Single-pixel super-resolution with a space–time modulated computational metasurface imager	64
Single-objective two-photon oblique light sheet microscopy with a low repetition rate for 3D high-SNR imaging	63
Unlocking high-speed and high-resolution photonic-swept microwave frequency identification via the ringing effect	62
Electrically controlled strain tuning of spin defects in a hybrid 4H-silicon carbide-on-lithium niobate integrated platform	60
Insight into the photoinduced phenomena in ternary Ge-Sb-Se sputtered thin films	60
Mid-infrared single-photon upconversion spectroscopy based on temporal-spectral quantum correlation	59
Giantly enhancing harmonic generations by a moiré superlattice nanocavity	59
Controllable split polarization singularities for ultra-precise displacement sensing	58
Universal silicon ring resonator for error-free transmission links	57
Tailoring directional chiral emission from molecules coupled to extrinsic chiral quasi-bound states in the continuum	57
Optoelectronic hybrid oscillating fiber-optic sensor with attosecond precision and reconfigurable sensitivity	56
Attosecond waveform engineering via spectral–temporal coupled high-harmonic generation	55
Fourier ptychographic microscopy aided with transport of intensity equation for robust full phase spectrum reconstruction	55
Tunable terahertz slow light with hybrid coupling of a magnetic toroidal and electric dipole metasurface	53
Turn-key Voigt optical frequency standard	53
Fourier domain mode-locked optoelectronic oscillator with an electrically tuned thin-film lithium niobate micro-ring filter	53
Quantum photonic chip for practical high-rate continuous-variable quantum key distribution	52
Multi-mechanism-empowered single-functional-layer metasurface simultaneously with microwave scattering reduction, infrared digital camouflage, and optical transparency	52
Breaking the sensitivity-frequency trade-off in a two-photon 3D-printed hollow-tympanic diaphragm Fabry–Perot fiber ultrasonic sensor	52
Electron–phonon coupling enhanced by graphene/PZT heterostructure for infrared emission and optical information transmission	52
Generation of continuous-variable high-dimensional entanglement with three degrees of freedom and multiplexing quantum dense coding	51
Temporal integral holography with an intelligent metasurface	51
Polygon search algorithm for ultra-compact multifunctional integrated photonics design	51
Near-field launching and mapping unidirectional surface plasmon polaritons using an automated dual-tip scanning near-field optical microscope	51
Inverse-synthetic-aperture-radar imaging-driven customized polarization-programmable meta-illusions enabled by spin-multiplexed single-layer metasurfaces	51
Microscopic nonlinear optical activities and ultrafast carrier dynamics in layered AgInP ₂ S ₆	51
Virtual fluorescence labeling of mitochondria in phase images using a network with unpaired datasets	51
Hollow-structured all-silicon terahertz metasurface supporting quasi-bound states in the continuum for refractive index based Auramine O concentration sensing	51