Experimental Implementation of High-speed Balanced Homodyne Detector
Xiaoxiong Zhang, Yichen Zhang, Bingjie Xu, Song Yu, Hong Mei Guo · Frontiers in Optics / Laser Science · 2018
We present a high-speed balanced homodyne detector whose bandwidth is above 900 MHz and quantum to classical noise ratio reaches 12 dB respectively, which could be applied to the high-speed continuous variable quantum information.