本文是相干光通信权威日本东京大学Kazuro Kikuchi教授最新综述著作。-This paper reviews the history of research and development related to coherent optical communications and describes the principle of coherent detection, including its quantum-noise characteristics.

Kikuchi, 2014, OPTICS EXPRESS, 文章的图形仿真(S0 simulation from kikuchi's paper, Kikuchi, 2014, OPTICS EXPRESS,)