OOIR: Observatory of International Research

Papers

(The H4-Index of APL Photonics is 33. 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 2022-01-01 to 2026-01-01.)

Article	Citations
High bandwidth frequency modulation of an external cavity diode laser using an intracavity lithium niobate electro-optic modulator as output coupler	118
Additive 3D printed optical waveguide for augmented reality	116
Beyond memory-effect matrix-based imaging in scattering media by acousto-optic gating	100
Integrated saturable-absorber-enhanced power booster for feedback sensitive on-chip pulsed lasers	87
Sensitive control of broad-area semiconductor lasers by cavity shape	74
Binary image classification using collective optical modes of an array of nanolasers	67
Special Topic: Photonics in biomedicine	64
Time-gated photon counting in both confocal and offset configurations for cost-effective enhancement of functional near-infrared spectroscopy	63
High-resolution time-resolved spectroscopy based on hybrid asynchronous optical sampling	62
Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams	61
An ultra-fast liquid switch for terahertz radiation	57
Modulation properties and nonlinear dynamics induced by optical feedback in distributed-feedback quantum cascade lasers	55
Cascaded injection locking of optomechanical crystal oscillators	54
Plasmonic enhanced fluorescence via 3D printing spiral conical tapered gold tip bound to optical fiber	54
High-performance photodetector arrays for near-infrared spectral sensing	51
Evaluation of quantum key distribution systems against injection-locking attacks	50
Integrated buried heaters for efficient spectral control of air-clad microresonator frequency combs	49
Performance enhancement of graphene/Ge near-infrared photodetector by modulating the doping level of graphene	48
Topological on-chip lasers	46
Programming universal unitary transformations on a general-purpose silicon photonic platform	46
Inverse design and demonstration of on-chip silicon high-order mode pass filter	45
Cavity-enhanced nonlinear frequency conversion and manipulation of vector fields	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	40
Microwave photonics promotes emerging integrated sensing and communication technology	40

Rapid fluorescence lifetime imaging microscopy via few-photon imaging	39
Optimal generation of mesoscopic twin-beam states by means of a natively femtosecond laser system	39
Hybrid integrated tunable external cavity laser with sub-10 Hz intrinsic linewidth	38
Three-dimensional hard X-ray ptychographic reflectometry imaging on extended mesoscopic surface structures	37
Load-dependent optical coherence tomography attenuation imaging: How tissue mechanics can influence optical scattering	34
Talbot interference of whispering gallery modes	34
Additively manufactured metasurfaces and metamaterials: Designs, fabrications, and applications from microwave to photonics	33
Thermally tunable microring resonators based on germanium-on-insulator for mid-infrared spectrometer	33
k-space holographic multiplexing for synthetic aperture diffraction tomography	33
Anti-resonant reflecting acoustic rib waveguides for strong opto-acoustic interaction	33