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 2021-09-01 to 2025-09-01.)

Article	Citations
Beyond memory-effect matrix-based imaging in scattering media by acousto-optic gating	103
Additive 3D printed optical waveguide for augmented reality	100
Hybrid integrated tunable external cavity laser with sub-10 Hz intrinsic linewidth	82
Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams	73
Topological on-chip lasers	66
Inverse design and demonstration of on-chip silicon high-order mode pass filter	65
Evaluation of quantum key distribution systems against injection-locking attacks	59
Cavity-enhanced nonlinear frequency conversion and manipulation of vector fields	58
Cascaded injection locking of optomechanical crystal oscillators	57
Optimal generation of mesoscopic twin-beam states by means of a natively femtosecond laser system	55
Programming universal unitary transformations on a general-purpose silicon photonic platform	55
High-resolution time-resolved spectroscopy based on hybrid asynchronous optical sampling	50
Microwave photonics promotes emerging integrated sensing and communication technology	50
Binary image classification using collective optical modes of an array of nanolasers	48
Sensitive control of broad-area semiconductor lasers by cavity shape	47
An ultra-fast liquid switch for terahertz radiation	47
Sensing with submarine optical cables	45
Plasmonic enhanced fluorescence via 3D printing spiral conical tapered gold tip bound to optical fiber	45
Three-dimensional hard X-ray ptychographic reflectometry imaging on extended mesoscopic surface structures	44
Time-gated photon counting in both confocal and offset configurations for cost-effective enhancement of functional near-infrared spectroscopy	44
Ytterbium-laser-driven THz generation in thin lithium niobate at 1.9 kW average power in a passive enhancement cavity	44
Talbot interference of whispering gallery modes	43
Integrated buried heaters for efficient spectral control of air-clad microresonator frequency combs	42
High bandwidth frequency modulation of an external cavity diode laser using an intracavity lithium niobate electro-optic modulator as output coupler	41
Rapid fluorescence lifetime imaging microscopy via few-photon imaging	40

Performance enhancement of graphene/Ge near-infrared photodetector by modulating the doping level of graphene	39
High-performance photodetector arrays for near-infrared spectral sensing	39
Modulation properties and nonlinear dynamics induced by optical feedback in distributed-feedback quantum cascade lasers	38
A camera-free and picometer-scale resolution few-mode fiber spectrometer	36
Four-wave mixing based spectral Talbot amplifier for programmable purification of optical frequency combs	35
Flexible thin film optical solar reflectors with Ta2O5-based multimaterial coatings for space radiative cooling	34
A single-frequency single-resonator laser on erbium-doped lithium niobate on insulator	34
Few-cycle Yb-doped laser sources for attosecond science and strong-field physics	32
Embedding FBG sensors for monitoring vital signs of the human body: Recent progress over the past decade	32
CMOS-compatible high-speed endless automatic polarization controller	32