Author:
Li Jia-Rui,Yuan Chen-Zhi,Shen Si,Zhang Zi-Chang,Wang He-Qing,Li Hao,You Li-Xing,Wang Zhen,Wang You,Deng Guang-Wei,Song Hai-Zhi,Guo Guang-Can,Zhou Qiang
Abstract
By pumping a periodically poled lithium niobite waveguide in a Sagnac interferometer, we obtain three types of frequency entangled two-photon states with further spectral manipulation.