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 2020-04-01 to 2024-04-01.)

Article	Citations
10.4 kW coherently combined ultrafast fiber laser	187
On a universal solution to the transport-of-intensity equation	102
High-speed computer-generated holography using an autoencoder-based deep neural network	96
Postcompression of picosecond pulses into the few-cycle regime	94
Slow light waveguides in topological valley photonic crystals	93
AlGaN-based deep ultraviolet micro-LED emitting at 275 nm	89
Reconfigurable all-optical nonlinear activation functions for neuromorphic photonics	84
On-chip tunable microdisk laser fabricated on Er³⁺-doped lithium niobate on insulator	81
H-shaped acoustic micro-resonator-based quartz-enhanced photoacoustic spectroscopy	81
Efficient erbium-doped thin-film lithium niobate waveguide amplifiers	78
Kilowatt-average-power compression of millijoule pulses in a gas-filled multi-pass cell	74
Tunable 3D Dirac-semimetals supported mid-IR hybrid plasmonic waveguides	67
Symmetric metasurface with dual band polarization-independent high-Q resonances governed by symmetry-protected BIC	66
Acoustic microresonator based in-plane quartz-enhanced photoacoustic spectroscopy sensor with a line interaction mode	65
Spectral broadening of 112 mJ, 1.3 ps pulses at 5 kHz in a LG₁₀ multipass cell with compressibility to 37 fs	65
1 kW, 10 mJ, 120 fs coherently combined fiber CPA laser system	62
Reaching fiber-laser coherence in integrated photonics	61
Greater than one billion Q factor for on-chip microresonators	61
Scheme of coherent optical chaos communication	59
Coupled cavity-waveguide based on topological corner state and edge state	58
1.1 J Yb:YAG picosecond laser at 1 kHz repetition rate	58
Optoretinogram: optical measurement of human cone and rod photoreceptor responses to light	58
Fast Mueller matrix microscope based on dual DoFP polarimeters	57
Hollow-core resonator fiber optic gyroscope using nodeless anti-resonant fiber	57
Low-loss edge-coupling thin-film lithium niobate modulator with an efficient phase shifter	56

Multipass cell for high-power few-cycle compression	55
Residual D²NN: training diffractive deep neural networks via learnable light shortcuts	53
Single-cycle, MHz repetition rate THz source with 66 mW of average power	53
Wide-angle speckleless DMD holographic display using structured illumination with temporal multiplexing	52
Multi-pass quartz-enhanced photoacoustic spectroscopy-based trace gas sensing	52
Snapshot multispectral endomicroscopy	51
Effect of interband polarization on a solid's high-order-harmonic generation just belowthe band gap	50
Y4-Net: a deep learning solution to one-shot dual-wavelength digital holographic reconstruction	50
DNN-FZA camera: a deep learning approach toward broadband FZA lensless imaging	50
Active control of near-field radiative heat transfer by a graphene-gratings coating-twisting method	50
InGaN quantum well with gradually varying indium content for high-efficiency GaN-based green light-emitting diodes	50
Digital holographic deep learning of red blood cells for field-portable, rapid COVID-19 screening	49
Trace gas sensing based on single-quartz-enhanced photoacoustic–photothermal dual spectroscopy	49
Light propagation through metamaterial temporal slabs: reflection, refraction, and special cases	48
Super tiny quartz-tuning-fork-based light-induced thermoelastic spectroscopy sensing	48
Broadband silicon nitride nanophotonic phased arrays for wide-angle beam steering	48
Experimental demonstration of a tunable photonic hook by a partially illuminated dielectric microcylinder	47
Ultra-broadband polarization beam splitter with silicon subwavelength-grating waveguides	46
Optical analog computing of two-dimensional spatial differentiation based on the Brewster effect	46
High-speed integrated micro-LED array for visible light communication	45
Enhancing terahertz molecular fingerprint detection by a dielectric metagrating	45