TY - JOUR AU - Takesue, Hiroki AU - Nam, Sae AU - Zhang, Qiang AU - Hadfield, Robert AU - Honjo, Toshimori AU - Tamaki, Kiyoshi AU - Yamamoto, Yoshihisa C2 - Nature Photonics DA - 2007-06-01 00:06:00 LA - en M1 - 1 PB - Nature Photonics PY - 2007 TI - Quantum key distribution over a 40-dB channel loss using superconducting single-photon detectors UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=902214 ER -