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Photonic devices are components for creating, manipulating or detecting light. This can include laser diodes, light-emitting diodes, solar and photovoltaic cells, displays and optical amplifiers. Other examples are devices for modulating a beam of light and for combining and separating beams of light of different wavelength.
This study uses a customized metasurface to unveil a distinct parity Hall effect in degenerate optical vectorial modes. This work realizes the advances in meta-devices and showcases new possibilities for manipulating optical fields based on parity.
The chemical equilibrium is optimized using N-dodecylbenzene sulfonic acid for enhancing the crystal integrity and structural rigidity of CsPbBr3 perovskite nanoplatelets, resulting in their spectrally stable, bright and extremely narrow color-saturated blue emission.
Here the authors use on-chip amplitude and phase modulation to synchronously pump a resonator on thin-film lithium niobate for frequency comb generation. They find that pulsed pumping significantly mitigates stimulated Raman scattering and improves the overall efficiency of the device.
A molecular design strategy for reducing the vibration-induced non-radiative losses in emissive organic semiconductors is realized by decoupling excitons from high-frequency vibrations.
A large-angle twist between two bilayer graphene films makes a sensitive and broadband infrared–terahertz detector as a result of interlayer screening and a crystal field-induced bandgap.