OOIR: Observatory of International Research

Papers

(The H4-Index of Photonics Research is 48. 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
Flat-field superoscillation metalens	217
Optically pumped low-threshold microdisk lasers on a GeSn-on-insulator substrate with reduced defect density	184
Bichromatically pumped artificial cnoidal wave breathers in optical microresonators	147
All-in-one photoelectric logic gates by Dember photodetectors	123
Monocular depth estimation based on deep learning for intraoperative guidance using surface-enhanced Raman scattering imaging	114
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	111
Universal silicon ring resonator for error-free transmission links	110
Optical neural networks based on perovskite solar cells	93
Separation and imaging of mixed signals on microwave chips based on nitrogen-vacancy color center microscopy	87
Fully reconfigurable silicon photonic MEMS microring resonators for DWDM	78
Origin of SBS-induced mode distortion in high power narrow linewidth fiber amplifiers	73
Single-pixel super-resolution with a space–time modulated computational metasurface imager	71
Optoelectronic hybrid oscillating fiber-optic sensor with attosecond precision and reconfigurable sensitivity	70
High-speed silicon microring modulator at the 2 µm waveband with analysis and observation of optical bistability	69
Insight into the photoinduced phenomena in ternary Ge-Sb-Se sputtered thin films	67
Mid-infrared single-photon upconversion spectroscopy based on temporal-spectral quantum correlation	67
Speckle spatial correlations aiding optical transmission matrix retrieval: the smoothed Gerchberg–Saxton single-iteration algorithm	66
Dye-sensitized Er³⁺-doped CaF₂ nanoparticles for enhanced near-infrared emission at 1.5 μm	66
Electron-beam-driven anomalous Doppler effects in Smith–Purcell radiation	65
Giantly Enhancing Harmonic Generations by a Moiré Superlattice Nanocavity	65
Fourier domain mode-locked optoelectronic oscillator with an electrically tuned thin-film lithium niobate micro-ring filter	64
Controllable split polarization singularities for ultra-precise displacement sensing	63
On-chip sorting of orbital angular momentum beams using Bloch surface wave structures	63
Mid-infrared broadband optical frequency comb generated in MgF₂ resonators	62
Quantitative in situ measurement of optical force along a strand of cleaved silica optical fiber induced by the light guided therewithin	60

Active stabilization of terahertz waveforms radiated from a two-color air plasma	60
Turn-key Voigt optical frequency standard	60
Enhanced performance of a fast GaAs-based terahertz modulator via surface passivation	59
Fourier ptychographic microscopy aided with transport of intensity equation for robust full phase spectrum reconstruction	59
Monolithic dispersion engineered mid-infrared quantum cascade laser frequency comb	59
Toward high-bandwidth yellow-green micro-LEDs utilizing nanoporous distributed Bragg reflectors for visible light communication	58
Dispersion-engineered subwavelength grating microring resonator for high-sensitivity and wide-range on-chip sensing	57
Silicon-based optical phased array with a reconfigurable aperture for “gaze” scanning of LiDAR	54
Round-trip multi-band quantum access network	54
Tapered fiber coupling of nanoparticle-coated silica microspheres for multi-wavelength upconversion whispering gallery mode lasers	53
Broadband NIR-emitting Te cluster-doped glass for smart light source towards night-vision and NIR spectroscopy applications	53
Tailoring directional chiral emission from molecules coupled to extrinsic chiral quasi-bound states in the continuum	52
Gap solitons in parity–time symmetric moiré optical lattices	52
Slide-free histological imaging by microscopy with ultraviolet surface excitation using speckle illumination	51
Direct measurement of topological invariants in photonic superlattices	51
Particle delivery in generalized optical vortex conveyor belts with a uniform orbital flow	51
Spin-dependent terahertz wavefront shaping based on hybrid phase in all-silicon chiral metasurfaces	51
Performance improvement approaches for optical fiber SPR sensors and their sensing applications	51
Generation of continuous-variable high-dimensional entanglement with three degrees of freedom and multiplexing quantum dense coding	51
Synthetic aperture metalens	50
High-harmonic generation in submicron-thick chirped periodically poled thin-film lithium niobate	49
Octave-spanning frequency comb generation based on a dual-mode microcavity laser	49
Directional emission in X-cut lithium niobate microresonators without chaos dynamics	49
Optical magnetic field enhancement using ultrafast azimuthally polarized laser beams and tailored metallic nanoantennas	48
Microscopic nonlinear optical activities and ultrafast carrier dynamics in layered AgInP₂S₆	48
Exploitation of geometric and propagation phases for spin-dependent rational-multiple complete phase modulation using dielectric metasurfaces	48