Structured light, especially beams carrying orbital angular momentum (OAM), has gained
much interest due to its unique amplitude and phase structures. In terms of communication …

Underwater wireless optical communication (UWOC) is an emerging and feasible
underwater communication technology and has developed rapidly in recent years. Building …

Optical communication has been employed in a wide range of applications, including
terrestrial, submarine, inter-satellite, and even space communication. It is particularly …

Silicon-based polarization-encoding quantum key distribution (QKD) has been extensively
studied due to its advantageous characteristics of its low cost and robustness. However …

In recent years, the feasibility of quantum key distribution (QKD) in a water channel has been
verified by theory and experiment. Here, we present an experimental investigation of QKD …

Underwater quantum communication has recently been explored using polarization and
orbital angular momentum (OAM). Here, we show that spatially structured modes, eg, a …

Polarization imaging, which provides multidimensional information beyond traditional
intensity imaging, has prominent advantages for complex imaging tasks, particularly in …

Optical detectors with single-photon sensitivity and large dynamic range would facilitate a
variety of applications. Specifically, the capability of extending operation wavelengths into …

High sensitive underwater wireless optical communication (UWOC) in shallow water or FSO-
UWOC convergent applications suffers severely from solar noise and other background …

Ultrabroadband electromagnetic (EM) absorbers, especially those covering microwave to
terahertz (THz) bands, are urgently desired in multispectral applications such as 6G …