@article{847731, author = {Hiroki Takesue and Sae Nam and Qiang Zhang and Robert Hadfield and Toshimori Honjo and Kiyoshi Tamaki and Yoshihisa Yamamoto}, title = {Quantum key distribution over a 40-dB channel loss using superconducting single-photon detectors}, year = {2007}, number = {1}, month = {2007-06-01 00:06:00}, publisher = {Nature Photonics}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=902214}, language = {en}, }