@conference{21621, author = {Paulina Kuo and Oliver Slattery and Yong-Su Kim and Jason Pelc and M. Fejer and Xiao Tang}, title = {Spectral response and characterization of a high-efficiency upconvertor for single-photon-level detection}, year = {2013}, month = {2013-10-18}, publisher = {Single Photon Workshop 2013, Oak Ridge, TN}, language = {en}, }