Optical switches are fundamental building blocks for high‐speed optical networks and basic
blocks towards all‐optical networks for future communications that utilize wavelength …

In this work, a free-space optical (FSO) communication system with the integration of mode
division multiplexing and circular polarization shift keying (CpolSK) is proposed at 2× 40 …

All-optical processing (AOP) is an imminent technology and has great demands in optical
computing and optical networks due to ultra-fast operations. Optical logic gates (OLGs) are …