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This Review covers state-of-the-art reconfigurable and tunable optical components and highlights the emergence of a set of materials that offer a new toolkit for tunability and control.
Lithium tantalate (LiTaO3) is heterogeneously integrated with silicon photonics circuits, enabling high modulation speed, reduced bias drift and a high optical damage threshold, while ensuring full compatibility with the existing silicon photonics process design kit.
Mode mixing and mapping with a piece of multimode optical fibre and spatial light modulators creates a bridge between two isolated quantum networks, linking distant nodes with quantum connectivity.
This Review discusses recent advances in sensitized fluorescence emitters for deep-blue organic light-emitting diodes, reviewing progress in molecular design and device performance as well as key remaining challenges.
Optical computing has been limited to vector–matrix multiplications, with matrix–matrix operations requiring wavelength- or time-division multiplexing, reducing energy efficiency and speed. Now, researchers have demonstrated a free-space optical approach that overcomes these limitations, enabling parallel matrix–matrix and tensor–matrix multiplications in a single optical operation.
Modulating an electron beam with a frequency-beating laser enables a free-electron laser to generate high-power, narrowband terahertz pulses that can be continuously tuned from 7.8 to 30.8 terahertz.
This Review discusses recent advances in interlayer engineering for perovskite solar cells, highlighting promising materials and architectures that could improve the stability and efficiency of devices.
