TY  - RPRT
TI  - Type-I spontaneous parametric down-conversion with a strongly focused pump
AU  - Di Lorenzo Pires, H
AU  - Exter, M P. van
PY  - 2011
DO  - 10.1103/physreva.83.033837
UR  - https://www.osti.gov/biblio/21541394
ID  - 21541394
ER  -