OOIR: Observatory of International Research

Papers

(The H4-Index of Nature Photonics is 103. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Lasers clean up graffiti	552
Photonics celebrates double Nobel Prize achievement	471
The race for wakefield-driven FELs	432
Deconvolution enhances fluctuation detection	418
Small tunable X-ray sources may have large impact	381
Converting qubits	367
Photons learn to classify with a quantum edge	343
Triangle-beam interference structured illumination microscopy	343
Lithography-free reconfigurable photonic processor	323
Ultrahigh-resolution nanoimprint patterning of quantum-dot light-emitting diodes via capillary self-assembly	302
All-optical polarization switching in ferroelectrics	272
Direct tensor processing with coherent light	267
On the simultaneous scattering of two photons by a single two-level atom	248
Publisher Correction: Optical atomic clock interrogation using an integrated spiral cavity laser	244
Spatio-temporal control of incoherent light with metasurfaces	243
Van der Waals waveguide quantum electrodynamics probed by infrared nano-photoluminescence	242
Topological orbital angular momentum extraction and twofold protection of vortex transport	240
Integrated electro-optic isolator on thin-film lithium niobate	235
Room-temperature upconverted superfluorescence	223
Highly stable all-perovskite tandem solar cells with targeted conversion of tin–lead surfaces	222
Quasi-phase-matched up- and down-conversion in periodically poled layered semiconductors	222
Observation of loss-enhanced magneto-optical effect	220
Solvent-assisted reaction for spontaneous defect passivation in perovskite solar cells	218
Novel light manipulation	208
A bit of gain, electrically injected	204

Twisted fibre photonic Chern insulator	196
Femtosecond laser writes a broadband miniaturized isolator	193
Minute-scale Schrödinger-cat state of spin-5/2 atoms	190
Light-based catalyst-free conversion of CH4 and CO2	188
Hard disk drive capacity limits smashed by nanofocusing of plasmons	181
Ångström-tunable polarization-resolved solid-state photon sources	181
Cascaded hard X-ray self-seeded free-electron laser at megahertz repetition rate	179
Room-temperature electrically switchable spin–valley coupling in a van der Waals ferroelectric halide perovskite with persistent spin helix	178
High-power AlGaN deep-ultraviolet micro-light-emitting diode displays for maskless photolithography	178
A photonic quantum engine driven by superradiance	177
Resource-efficient photonic quantum computation with high-dimensional cluster states	173
Observation of light-driven band structure via multiband high-harmonic spectroscopy	170
New nonlinear opportunities in the ultraviolet	169
Author Correction: A ferroelectric multilevel non-volatile photonic phase shifter	165
Dynamic manipulation of photoluminescence in two-dimensional covalent organic frameworks	164
Towards efficient, scalable and stable perovskite/silicon tandem solar cells	164
Additive treatment yields high-performance lead-free perovskite light-emitting diodes	159
Light sheets for continuous-depth holography and three-dimensional volumetric displays	157
High-rate quantum key distribution exceeding 110 Mb s–1	153
Harnessing plasma absorption in silicon MOS ring modulators	153
Ultrafast energy exchange between two single Rydberg atoms on a nanosecond timescale	152
Single-photon detection surprise	151
Efficient emitters in the NIR-II window	147
Microdroplet manipulation	147
A bright future for attosecond physics	145
Dissimilar photons can bunch too	142
Two in one	142
Publisher Correction: Femtojoule femtosecond all-optical switching in lithium niobate nanophotonics	141
Publisher Correction: Van der Waals waveguide quantum electrodynamics probed by infrared nano-photoluminescence	140
Processing quantum randomness with light	138
Unlocking an optical bistability switch	138
A digital solution towards deep optical imaging	137
Anomalous circularly polarized light emission in organic light-emitting diodes caused by orbital–momentum locking	137
A photonic entanglement filter with Rydberg atoms	137
Super-resolution microscopy for the life sciences	137
Ytterbium spectroscopy for new physics searches	136
Unidirectional unpolarized luminescence emission via vortex excitation	135
Integrated vortex soliton microcombs	133
Synthetic reflection self-injection-locked microcombs	132
Hong–Ou–Mandel interference in colloidal CsPbBr3 perovskite nanocrystals	132
Free-form dual-comb spectroscopy for compressive sensing and imaging	132
All-optical temporal logic gates in localized exciton polaritons	131
Experimental quantum-enhanced kernel-based machine learning on a photonic processor	131
Super-resolution microscopy at its sharpest	130
Synthetic aperture waveguide holography for compact mixed-reality displays with large étendue	129
Plasmonics commercialized?	129
Suppressing wide-angle light loss and non-radiative recombination for efficient perovskite solar cells	126
Multi-plateau high-harmonic generation in liquids driven by off-site recombination	126
Wide-field coherent anti-Stokes Raman scattering microscopy using random illuminations	126
Ultrafast atomic-scale scanning tunnelling spectroscopy of a single vacancy in a monolayer crystal	125

An open question	124
A new change of phase	123
Sub-cycle photonics in correlated materials	122
Shrinking time-domain spectroscopy to atomic dimensions	122
Tracking nanoscopic motion with minima of light	121
Listening to microorganisms with light	118
Entering the vacuum ultraviolet	117
Publisher Correction: A full degree-of-freedom spatiotemporal light modulator	114
Author Correction: Integrated electro-optic isolator on thin-film lithium niobate	114
Author Correction: Sub-femtonewton force sensing in solution by super-resolved photonic force microscopy	112
Author Correction: In vivo NIR-II fluorescence imaging for biology and medicine	112
Fast, three-dimensional, live-cell super-resolution imaging with multiplane structured illumination microscopy	110
Elucidating the photodegradation pathways of polymer donors for organic solar cells with seven months of outdoor operational stability	110
Spin-selective strong light–matter coupling in a 2D hole gas-microcavity system	110
Wide-band frequency modulation of a terahertz intrinsic Josephson junction emitter of a cuprate superconductor	110
Photonic-circuit-integrated titanium:sapphire laser	110
Inverted organic solar cells with an in situ-derived SiOxNy passivation layer and power conversion efficiency exceeding 18%	109
Integrated electro-optic digital-to-analogue link for efficient computing and arbitrary waveform generation	109
Sub-Doppler spectroscopy of quantum systems through nanophotonic spectral translation of electro-optic light	107
Interferometric imaging of amplitude and phase of spatial biphoton states	107
An adaptive moiré sensor for spectro-polarimetric hyperimaging	106
Towards compact phase-matched and waveguided nonlinear optics in atomically layered semiconductors	105
In memory of Gabriel Popescu	105
Sub-50-ns ultrafast upconversion luminescence of a rare-earth-doped nanoparticle	105
Costas Soukoulis (1951–2024)	104
Micropillars for single-photon phase shifts	104
Laser gyroscope precisely tracks the Earth’s rotation	103
Author Correction: Light-based electron aberration corrector	103