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 2020-05-01 to 2024-05-01.)

Article	Citations
10.4 kW coherently combined ultrafast fiber laser	193
On a universal solution to the transport-of-intensity equation	107
High-speed computer-generated holography using an autoencoder-based deep neural network	106
AlGaN-based deep ultraviolet micro-LED emitting at 275 nm	95
Reconfigurable all-optical nonlinear activation functions for neuromorphic photonics	85
On-chip tunable microdisk laser fabricated on Er³⁺-doped lithium niobate on insulator	84
Efficient erbium-doped thin-film lithium niobate waveguide amplifiers	82
H-shaped acoustic micro-resonator-based quartz-enhanced photoacoustic spectroscopy	82
Kilowatt-average-power compression of millijoule pulses in a gas-filled multi-pass cell	76
Tunable 3D Dirac-semimetals supported mid-IR hybrid plasmonic waveguides	68
Symmetric metasurface with dual band polarization-independent high-Q resonances governed by symmetry-protected BIC	67
Spectral broadening of 112 mJ, 1.3 ps pulses at 5 kHz in a LG₁₀ multipass cell with compressibility to 37 fs	66
Acoustic microresonator based in-plane quartz-enhanced photoacoustic spectroscopy sensor with a line interaction mode	65
Greater than one billion Q factor for on-chip microresonators	64
1 kW, 10 mJ, 120 fs coherently combined fiber CPA laser system	64
1.1 J Yb:YAG picosecond laser at 1 kHz repetition rate	62
Scheme of coherent optical chaos communication	62
Reaching fiber-laser coherence in integrated photonics	62
Hollow-core resonator fiber optic gyroscope using nodeless anti-resonant fiber	62
Low-loss edge-coupling thin-film lithium niobate modulator with an efficient phase shifter	61
Fast Mueller matrix microscope based on dual DoFP polarimeters	61
Optoretinogram: optical measurement of human cone and rod photoreceptor responses to light	60
Multipass cell for high-power few-cycle compression	58
Coupled cavity-waveguide based on topological corner state and edge state	58
Residual D²NN: training diffractive deep neural networks via learnable light shortcuts	54

Multi-pass quartz-enhanced photoacoustic spectroscopy-based trace gas sensing	53
InGaN quantum well with gradually varying indium content for high-efficiency GaN-based green light-emitting diodes	53
Active control of near-field radiative heat transfer by a graphene-gratings coating-twisting method	52
DNN-FZA camera: a deep learning approach toward broadband FZA lensless imaging	52
Snapshot multispectral endomicroscopy	52
Digital holographic deep learning of red blood cells for field-portable, rapid COVID-19 screening	51
Y4-Net: a deep learning solution to one-shot dual-wavelength digital holographic reconstruction	51
Broadband silicon nitride nanophotonic phased arrays for wide-angle beam steering	51
Effect of interband polarization on a solid's high-order-harmonic generation just belowthe band gap	50
Light propagation through metamaterial temporal slabs: reflection, refraction, and special cases	50
Trace gas sensing based on single-quartz-enhanced photoacoustic–photothermal dual spectroscopy	49
Experimental demonstration of a tunable photonic hook by a partially illuminated dielectric microcylinder	49
Super tiny quartz-tuning-fork-based light-induced thermoelastic spectroscopy sensing	49
Optical analog computing of two-dimensional spatial differentiation based on the Brewster effect	48
Enhanced light extraction of the deep-ultraviolet micro-LED via rational design of chip sidewall	48
161 W middle infrared ZnGeP₂ MOPA system pumped by 300 W-class Ho:YAG MOPA system	48
Lattice-induced plasmon hybridization in metamaterials	46
Silicon photonic microelectromechanical phase shifters for scalable programmable photonics	46
Efficient second-harmonic generation in high Q-factor asymmetric lithium niobate metasurfaces	45
Mach–Zehnder silicon-photonic switch with low random phase errors	45
Auto-focusing and self-healing of symmetric odd-Pearcey Gauss beams	45
Switchable and spacing tunable dual-wavelength spatiotemporal mode-locked fiber laser	45
2 Gbps free-space ultraviolet-C communication based on a high-bandwidth micro-LED achieved with pre-equalization	45
Bound states in the continuum supported by silicon oligomer metasurfaces	45