OOIR: Observatory of International Research

Papers

(The H4-Index of Nature Photonics is 85. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Photonics for artificial intelligence and neuromorphic computing	972
Structured light	724
Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes	695
Stable pure-blue hyperfluorescence organic light-emitting diodes with high-efficiency and narrow emission	545
High-efficiency, long-lifetime deep-blue organic light-emitting diodes	387
Large-scale neuromorphic optoelectronic computing with a reconfigurable diffractive processing unit	365
Hertz-linewidth semiconductor lasers using CMOS-ready ultra-high-Q microresonators	355
Quantum-size-tuned heterostructures enable efficient and stable inverted perovskite solar cells	341
Suppression of temperature quenching in perovskite nanocrystals for efficient and thermally stable light-emitting diodes	326
Twin-field quantum key distribution over 830-km fibre	311
Organic phosphors with bright triplet excitons for efficient X-ray-excited luminescence	310
Stable and low-photovoltage-loss perovskite solar cells by multifunctional passivation	304
Efficient selenium-integrated TADF OLEDs with reduced roll-off	298
Photonics and thermodynamics concepts in radiative cooling	298
Integrated optical frequency comb technologies	295
Metasurface optics for on-demand polarization transformations along the optical path	274
CsPbBr3 perovskite detectors with 1.4% energy resolution for high-energy γ-rays	268
Machine learning and applications in ultrafast photonics	267
Efficient and bright white light-emitting diodes based on single-layer heterophase halide perovskites	267
NIR II-responsive photon upconversion through energy migration in an ytterbium sublattice	261
High-power portable terahertz laser systems	254
Prospects for metal halide perovskite-based tandem solar cells	251
Metasurfaces for quantum photonics	244
Solution-processed green and blue quantum-dot light-emitting diodes with eliminated charge leakage	234
Achieving the full-wavelength phase-matching for efficient nonlinear optical frequency conversion in C(NH2)3BF4	214

Synergistic strain engineering of perovskite single crystals for highly stable and sensitive X-ray detectors with low-bias imaging and monitoring	213
Ultrastable near-infrared perovskite light-emitting diodes	204
Advances in solution-processed near-infrared light-emitting diodes	199
Exceptionally stable blue phosphorescent organic light-emitting diodes	190
The role of host–guest interactions in organic emitters employing MR-TADF	177
Ultrapure green organic light-emitting diodes based on highly distorted fused π-conjugated molecular design	176
Twin-field quantum key distribution over a 511 km optical fibre linking two distant metropolitan areas	176
A wavelength-scale black phosphorus spectrometer	171
Digital photoprogramming of liquid-crystal superstructures featuring intrinsic chiral photoswitches	170
Defect engineering in wide-bandgap perovskites for efficient perovskite–silicon tandem solar cells	168
Engineering the buried interface in perovskite solar cells via lattice-matched electron transport layer	162
Large-area perovskite solar cells employing spiro-Naph hole transport material	160
Sensitive, small, broadband and scalable optomechanical ultrasound sensor in silicon photonics	159
A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam	159
Hydrogen-bond-bridged intermediate for perovskite solar cells with enhanced efficiency and stability	158
Ultra-fast germanium photodiode with 3-dB bandwidth of 265 GHz	155
Nanoscale terahertz scanning probe microscopy	153
600-km repeater-like quantum communications with dual-band stabilization	151
Detecting ionizing radiation using halide perovskite semiconductors processed through solution and alternative methods	150
Cation disorder engineering yields AgBiS2 nanocrystals with enhanced optical absorption for efficient ultrathin solar cells	150
Bright and stable light-emitting diodes made with perovskite nanocrystals stabilized in metal–organic frameworks	144
Synthetic helical dichroism for six-dimensional optical orbital angular momentum multiplexing	138
Electrically driven acousto-optics and broadband non-reciprocity in silicon photonics	137
Multispectral graphene-based electro-optical surfaces with reversible tunability from visible to microwave wavelengths	132
Composite fast scintillators based on high-Z fluorescent metal–organic framework nanocrystals	127
Heavy-atom engineering of thermally activated delayed fluorophores for high-performance X-ray imaging scintillators	125
Ultrahigh-resolution quantum-dot light-emitting diodes	124
Electrically driven mid-submicrometre pixelation of InGaN micro-light-emitting diode displays for augmented-reality glasses	121
Mid-infrared semimetal polarization detectors with configurable polarity transition	121
High harmonic generation in condensed matter	114
High-speed programmable photonic circuits in a cryogenically compatible, visible–near-infrared 200 mm CMOS architecture	114
Efficient photoinduced second-harmonic generation in silicon nitride photonics	112
Topological-cavity surface-emitting laser	111
Low-chirp isolator-free 65-GHz-bandwidth directly modulated lasers	109
Characterization of stability and challenges to improve lifetime in perovskite LEDs	109
Dissipative solitons in photonic molecules	105
A photonic integrated quantum secure communication system	105
Real-space observation of vibrational strong coupling between propagating phonon polaritons and organic molecules	104
Intensity-based holographic imaging via space-domain Kramers–Kronig relations	103
MINSTED fluorescence localization and nanoscopy	101
Quantum optics of soliton microcombs	100
Reconfigurable metasurfaces towards commercial success	99
Progress on table-top isolated attosecond light sources	99
Stable perovskite single-crystal X-ray imaging detectors with single-photon sensitivity	98
Two-step absorption instead of two-photon absorption in 3D nanoprinting	98
Optical parametric amplification by monolayer transition metal dichalcogenides	97
Anomalous upconversion amplification induced by surface reconstruction in lanthanide sublattices	97
Widely tunable and narrow-linewidth chip-scale lasers from near-ultraviolet to near-infrared wavelengths	97
Transverse spinning of unpolarized light	96
Magnetic-free silicon nitride integrated optical isolator	95

Ultrastrong plasmon–phonon coupling via epsilon-near-zero nanocavities	95
Toroidal vortices of light	94
Ultra-coherent Fano laser based on a bound state in the continuum	92
Solution-processed inorganic perovskite crystals as achromatic quarter-wave plates	90
Enabling smart vision with metasurfaces	88
Polyatomic molecules with emission quantum yields >20% enable efficient organic light-emitting diodes in the NIR(II) window	87
Optically referenced 300 GHz millimetre-wave oscillator	87
High-rate quantum key distribution exceeding 110 Mb s–1	87
Giant second-harmonic generation in ferroelectric NbOI2	87
Perovskite solar cells based on spiro-OMeTAD stabilized with an alkylthiol additive	86
Non-Abelian braiding on photonic chips	85