There are various performance advantages when using temporal phase-based data
encoding and coherent detection with a local oscillator (LO) in free-space optical (FSO) …

An optical quantum communication system with receiver diversity is proposed for free-space
communication using the optical combining technique and a generalized Kennedy receiver …

Collecting light using multiple small apertures offers a lot of advantages over doing so using
a single large aperture, including the effective mitigation of scintillation under strong …

We first demonstrated bidirectional coherent beam combining and aberrations mitigating
with a 6-aperture phased fiber laser array in urban atmospheric turbulence over 2 km …

Free-space optical communications links have the perpetual challenge of coupling light from
free-space to a detector or fiber for subsequent detection. It is especially challenging to …

The free space optical communication (FSOC) signals often exhibit a much larger dynamic
range and much lower OSNR than optical fiber communication signals, due to the large …

In free space optical communication systems, multi-aperture coherent optical receivers
based on digital coherent beam combining (D-CBC) technique can provide exceptionally …

A novel diversity combining scheme, in conjunction with the complex-valued decision-
directed least mean square (CV-DD-LMS) algorithm, is evaluated, and a real-time …

The next generation free-space optical (FSO) communications infrastructure will need to
support a wide range of links from space-based terminals in low Earth orbit …

Digital coherent combining (DCC) technique can increase the free space optical signal
collection area by combining the signals received by an array of small apertures in a …