Temporally ultralong biphotons with a linewidth of 50 kHz.

Citation:
Wang, Y-S, Li K-B, Chang C-F, Lin T-W, Li J-Q, Hsiao S-S, Chen J-M, Lai Y-H, Chen Y-C, Chen Y-F, Chuu C-S, Yu IA.  2022.  Temporally ultralong biphotons with a linewidth of 50 kHz.. APL Photonics. 7(12), 126102(2022)