High-speed non-volatile barium titanate field-programmable photonic gate array - Nature Photonics

Barium titanate ferroelectric is used in photonic phase shifters arranged in a hexagonal waveguide mesh, forming a programmable photonic array. The device achieves sub-100-ns switching speeds, while e...

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Orbital angular momentum multiplexing diffractive neural networks for high-capacity optical inference - Nature Photonics

By exploiting optical angular momentum and developing an end-to-end auto-optimization strategy to achieve 14-fold higher mode utilization compared with manual encoding, a deep diffractive neural netwo...

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Quantum coherent beating in polar disubphthalocyanine-fullerene cocrystals for ultrafast photothermal conversion - Nature Photonics

Quantum coherent beating and ultrafast energy transfer have been observed in a polar disubphthalocyanine-fullerene cocrystal. The temperature reached 228 °C within 5 s following 0.5 W cm−2 laser irrad...

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Single-shot full-field X-ray imaging with 10-nm resolution using hard X-ray free-electron laser pulses - Nature Photonics

Using X-ray free-electron laser pulses with mirror optics to generate a sub-10-nm focal spot and an algorithm to compensate for fluctuations in illumination, this study demonstrates single-shot in-lin...

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Crystalline symmetry breaking enables directional light emission in quantum dots - Nature Photonics

Stacking faults enhance light out-coupling efficiency in zinc-blende quantum dot light-emitting diodes. The authors report external quantum efficiencies of 34.3% and 31.0% for green CdZnSe- and InP-ba...

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Ternary self-assembled molecular contact for ambient-processed perovskite/silicon tandem solar cells - Nature Photonics

A new ternary self-assembled molecular contact enables the fabrication of perovskite solar cells in ambient conditions, with perovskite/silicon tandem devices achieving a power conversion efficiency o...

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Omnidirectional ionic locking network for stable perovskite photovoltaics - Nature Photonics

Infiltrating a bifunctional spacer between perovskite grain boundaries enables perovskite solar cells with a certified power conversion efficiency of 27.01%, 90% of which is maintained after over 2,00...

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An on-chip programmable valley optoelectronic nanocircuit - Nature Photonics

An on-chip light-programmable valley optoelectronic nanocircuit enabled by meta-waveguide photodetectors integrated with transition metal dichalcogenides is demonstrated. In situ generation, selective...

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Giant trion modulation in scalable monolayer MoS2 via plasmonic HfN gates - Nature Photonics

The authors demonstrate efficient trion modulation in MoS2 enabled by plasmonic HfN gates. A photoluminescence modulation depth of ~24% was achieved over large tunable surface areas.

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Electrically programmable circularly polarized three-dimensional display - Nature Photonics

A co-assembled nanorod/nanowire layer enables red, green and blue circularly polarized LEDs with dissymmetry factors as high as 1.54. In a 64-pixel prototype display, the brightness between different ...

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Free-space twin-field quantum key distribution - Nature Photonics

By developing frequency locking and time synchronization between independent ultrastable lasers and atomic clocks, twin-field quantum key distribution is demonstrated over 14.2-km turbulent free-space...

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Structural exciton localization drives efficient solid-state sensitized triplet fusion upconversion - Nature Photonics

An absolute photon upconversion efficiency of 8.2% is demonstrated using a liquid triplet fusion medium that behaves as solid on excitonic timescales. The findings may drive higher efficiencies in nan...

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Ultrasensitive biosensing by radiative Q-factor modulation in strongly coupled three-dimensional bound-state-in-the-continuum metasurfaces - Nature Photonics

A Q-modulated refractometric sensing mechanism implemented in a bound-state-in-the-continuum metasurface enables the detection of lung cancer extracellular vesicles with a limit of detection down to 2...

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Isotropic shrinkage of patterned vacancies enables three-dimensional nanoprecise metastructures for visible light applications - Nature Photonics

A method that combines photopatterning with 10-fold shrinkage can fabricate three-dimensional metastructures with nanoscale features for applications with visible light.

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A metropolitan-scale multiplexed quantum repeater with Bell non-locality - Nature Photonics

Time-division multiplexing in a metropolitan-scale quantum repeater is demonstrated. Heralded entanglement between remote quantum memories is implemented over a distance of 14.5 km, generating a Bell ...

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Wide-band millimetre-wave synthesizer using microresonator-soliton photomixing - Nature Photonics

Using a chip-based dual microresonator-soliton source with a high-speed photodetector, the authors demonstrate a CMOS-compatible generator of tunable millimetre-wave signals with low phase noise.

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Molecular quantum-dot orbital hybridization supports efficient endothermic singlet exciton fission - Nature Photonics

Hybridization of molecular and quantum-dot energy levels aids singlet exciton fission.

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Atomically dense Sb2O3 interlayer for highly stable perovskite photovoltaic modules - Nature Photonics

An Sb2O3 interlayer at the perovskite/electron transport layer interface increases the reverse-bias resistance of the cells to −22.3 V. Modules with an area of 62.37 cm2 achieved a certified power con...

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Narrow-bandgap acceptors with suppressed exciton thermalization loss for highly efficient perovskite–organic tandem solar cells - Nature Photonics

A new series of narrow-bandgap acceptors exploiting the heavy-atom effect enables organic solar cells with a power conversion efficiency of 20.7% and 1-cm2 perovskite–organic tandem devices with a cer...

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Low-noise microwaves from free-running frequency combs and electrical feed-forward phase noise compensation - Nature Photonics

Electrical feed-forward used for noise compensation in microwave signal generation provides low phase noise and timing jitter while easing the requirements of the optical frequency comb divider.

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Minimizing strain for ultra-stable tin perovskite LEDs - Nature Photonics

An optimized thermal evaporation process for tin-based perovskites enables precise strain engineering in the perovskite layer, resulting in perovskite light-emitting diodes with a half-lifetime of 1,2...

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Incoherent dielectric tensor tomography for quantitative three-dimensional measurement of biaxial anisotropy - Nature Photonics

The internal structure of biological samples and polycrystalline materials is visualized using incoherent dielectric tensor tomography. Through angular and polarization modulation, the method detects ...

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Strong ultrafast nonlinear optical response from megaelectronvolt electrons in semiconductors - Nature Photonics

Nonlinear optical responses of semiconductors induced by 150-fs and 4.2-MeV electron pulses are investigated. Sub-10-ps bandgap modulations with intensities up to 24.5% are observed near the bandgap a...

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Ball-lightning-like relativistic terahertz solitons - Nature Photonics

When a femtosecond laser is focused onto a tungsten tip, excited surface plasmon polaritons form a relativistic terahertz soliton at the tip apex in a supersonic argon jet. It exhibits sustained stabi...

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Generation of continuous-wave 1–11 THz radiation with intersubband polaritonic metasurfaces - Nature Photonics

Tunable continuous-wave terahertz radiation spanning 1–11 THz is generated at room temperature via difference-frequency generation process in nonlinear metasurfaces. Microwatt-level terahertz output i...

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Optical convolutional spectrometer - Nature Photonics

A centimetre-scale convolutional spectrometer offers high performance, low cost and ~500-nm bandwidth. The system classifies diverse solid samples and quantifies concentrations of solutions with detec...

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Interferometric measurement of nuclear resonant phase shift with a nanoscale Young double waveguide - Nature Photonics

A nanoscale X-ray double-waveguide interferometer is developed to measure the phase shift due to the 14.4-keV nuclear resonance of the Mössbauer isotope 57Fe. The phase shift is extracted from just a ...

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