Author:
On Mehmet Berkay,Singh Sandeep Kumar,Gul Gamze,Kanter Gregory S.,Proietti Roberto,Kumar Prem,Ben Yoo S. J.
Abstract
We experimentally demonstrate quantum channel monitoring by wavelength-time multiplexing of classical wrapper bits with quantum payloads. Bit-error-rate measurements of 5 Gb/s classical bits infer the coincidence-to-accidental ratio of the quantum channel up to 13.3 dB.