@article{798976, author = {Stefania Castelletto and Ivo Degiovanni and Alan Migdall and M Ware}, title = {On the Measurement of Two-Photon Single-Mode Coupling Efficiency in PDC Photon Sources}, year = {2004}, month = {2004-01-01 00:01:00}, publisher = {New Journal of Physics}, language = {en}, }