TY  - RPRT
TI  - Sum- and difference-frequency generation for broadband input fields.
AU  - YB Band
AU  - C Radzewicz
AU  - JS Krasinski
PY  - 1994
DO  - 10.1103/physreva.49.517
UR  - https://pubmed.ncbi.nlm.nih.gov/9910257/
ID  - 9910257
ER  -