@conference{831911, author = {Stefania Castelletto and Ivo Degiovanni and M Ware and Alan Migdall}, title = {Coupling Efficiencies in Single Photon On-Demand Sources}, year = {2003}, number = {5161}, month = {2003-01-01 00:01:00}, publisher = {Conference on Quantum Information and Computation , San Diego, CA, USA}, language = {en}, }