TY  - RPRT
TI  - Sum-frequency generation from photon number squeezed light
AU  - Wu, Ling-An
AU  - Du, Cong-Shi
AU  - Wu, Mei-Juan
AU  - Li, Shi-Qun
PY  - 1994
UR  - https://ntrs.nasa.gov/citations/19950007489
ID  - 19950007489
ER  -