Quantum frequency down-conversion of single photons at 1552 nm from single InAs quantum dot
Ma Ben
1, 2, 3
, Wei Si-Hang
1, 2, 3
, Chen Ze-Sheng
1, 2, 3
, Shang Xiang-Jun
1, 2, 3
, Ni Hai-Qiao
1, 2, 3
, Niu Zhi-Chuan
1, 2, 3, †
μPL spectra of test sample at 77 K.