Demonstration of Quantum Channel Monitoring via Quantum Wrappers
Mehmet Berkay On, Sandeep Kumar Singh, Gamze Gül, Gregory S. Kanter, Roberto Proietti, Prem Kumar, S. J. Ben Yoo · 2023
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.