Entanglement TUning via Biphoton Beating
Arash Riazi, Changjia Chen, Eric Y. Zhu, Alexey V. Gladyshev, Peter G. Kazansky, John E. Sipe, Li Qian · Conference on Lasers and Electro-Optics · 2020
We generate biphotons with degree of polarisation entanglement that varies over a concurrence range 0.12 < C < 0.97, depending on the frequency of biphotons. Our interferometric scheme offers a convenient means towards the generation of arbitrary biphoton states.