Fiber-based high-dimensional quantum key distribution with twisted photons
Daniele Cozzolino, Davide Bacco, Beatrice Da Lio, Kasper Ingerslev, Yunhong Ding, Kjeld Dalgaard, Poul Kristensen, Michael Galili, Karsten K. Rottwitt, Siddharth Ramachandran, Leif Katsuo Oxenløwe · 2018
We implement the first fiber-based orbital angular momentum (OAM) state highdimensional quantum key distribution protocol using four OAM modes, and demonstrate the highest secret key rate and longest transmission distance for OAM presented to date.