@article{805091, author = {Stefania Castelletto and Ivo Degiovanni and Alan Migdall and V Schettini}, title = {Spatial and spectral mode selection of heralded single photons from pulsed parametric down-conversion}, year = {2005}, number = {13}, month = {2005-01-01 00:01:00}, publisher = {Opts Exp}, language = {en}, }