Implementation of Plug & Play Quantum Key Distribution Protocol
Byungkyu Ahn, Jinyoung Ha, Youngjin Seo, Jun Heo, Jeonghwan Shin, Kyungwoon Lee · 2018
This paper represents an experimental implementation of the “Two way Plug & play” quantum key distribution (QKD) protocol, which uses weak coherent pulses at a single photon level to transfer key information from Alice to Bob via the quantum channel. In this experiment, we applied the 25km optical fiber channel and the results show a quantum bit error rate (QBER) of about 3%.