Simplifying Measurement-Device-Independent Quantum Key Distribution with Directly Modulated Laser Sources
Robert I. Woodward, Yuen San Lo, Mirko Pittaluga, Mariella Minder, Taofiq K. Paraïso, Marco Lucamarini, Zhiliang L. Yuan, Andrew J. Shields · 2021
We demonstrate a new MDI-QKD system design employing gain-switched, injection-locked lasers to directly generate GHz-clock-rate encoded states, greatly simplifying MDI-QKD and improving state-of-the-art performance by an order of magnitude.