The visual scene in the physical world integrates multidimensional information (spatial,
temporal, polarization, spectrum and so on) and typically shows unstructured characteristics …

The Photodetector (PD) refers to an energy harvesting device that can directly convert light
energy into electric current. Such a device has been widely used in different applications …

Free-space coupling, essential for various communication applications, often faces
significant signal loss and interference from ambient light. Traditional methods rely on …

Abstract Kesterite Cu2ZnSn (S, Se) 4 (CZTSSe) is a promising candidate for photodetector
(PD) applications thanks to its excellent optoelectronic properties. In this work, a green …

Metal halide perovskites are widely used in the preparation of photodetectors (PDs) due to
their excellent photoelectric properties, tunable band gap, low cost, and rapid processing in …

Micro/nanostructured perovskites with spatially graded compositions and bandgaps are
promising in filter‐free, chip‐level multispectral, and hyperspectral detection. However …

Sphere imagers featuring specific wavelength recognition and wide-angle imaging are
required to meet the fast development of modern technology. However, it is still challenging …

Spectral sensing plays a crucial part in imaging technologies, optical communication, and
other fields. However, complicated optical elements, such as prisms, interferometric filters …

The retina is the essential part of the human visual system that receives light, converts it to
neural signal, and transmits to brain for visual recognition. The red, green, and blue (R/G/B) …

Flexible photodetectors (FPDs), which provide excellent advantages such as great
wearability, portability, even implantability, have attracted tremendous interest in wearable …