OOIR: Observatory of International Research

Papers

(The H4-Index of APL Photonics is 32. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Beyond memory-effect matrix-based imaging in scattering media by acousto-optic gating	101
Additive 3D printed optical waveguide for augmented reality	99
Hybrid integrated tunable external cavity laser with sub-10 Hz intrinsic linewidth	76
Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams	69
Integrated buried heaters for efficient spectral control of air-clad microresonator frequency combs	63
Topological on-chip lasers	58
Inverse design and demonstration of on-chip silicon high-order mode pass filter	57
Rapid fluorescence lifetime imaging microscopy via few-photon imaging	57
Evaluation of quantum key distribution systems against injection-locking attacks	54
Cavity-enhanced nonlinear frequency conversion and manipulation of vector fields	53
Cascaded injection locking of optomechanical crystal oscillators	52
Programming universal unitary transformations on a general-purpose silicon photonic platform	49
Optimal generation of mesoscopic twin-beam states by means of a natively femtosecond laser system	48
Microwave photonics promotes emerging integrated sensing and communication technology	46
Binary image classification using collective optical modes of an array of nanolasers	45
High-resolution time-resolved spectroscopy based on hybrid asynchronous optical sampling	45
Performance enhancement of graphene/Ge near-infrared photodetector by modulating the doping level of graphene	44
An ultra-fast liquid switch for terahertz radiation	44
High bandwidth frequency modulation of an external cavity diode laser using an intracavity lithium niobate electro-optic modulator as output coupler	44
High-performance photodetector arrays for near-infrared spectral sensing	44
Plasmonic enhanced fluorescence via 3D printing spiral conical tapered gold tip bound to optical fiber	42
Sensitive control of broad-area semiconductor lasers by cavity shape	42
Sensing with submarine optical cables	40
Ytterbium-laser-driven THz generation in thin lithium niobate at 1.9 kW average power in a passive enhancement cavity	39
Three-dimensional hard X-ray ptychographic reflectometry imaging on extended mesoscopic surface structures	39

Time-gated photon counting in both confocal and offset configurations for cost-effective enhancement of functional near-infrared spectroscopy	38
Talbot interference of whispering gallery modes	38
A camera-free and picometer-scale resolution few-mode fiber spectrometer	37
Erratum: “Diffusing wave spectroscopy: A unified treatment on temporal sampling and speckle ensemble methods” [APL Photonics 6, 016105 (2021)]	36
On-demand light wave manipulation enabled by single-layer dielectric metasurfaces	36
Additively manufactured metasurfaces and metamaterials: Designs, fabrications, and applications from microwave to photonics	35
Anti-resonant reflecting acoustic rib waveguides for strong opto-acoustic interaction	32
On-chip mode (de)multiplexer utilizing sandwich valley-topological edge waveguides	32
Few-cycle Yb-doped laser sources for attosecond science and strong-field physics	32