@conference{85561, author = {Xiao Tang and Lijun Ma and Alan Mink and Anastase Nakassis and Hai Xu and Barry Hershman and Joshua Bienfang and David Su and Ronald Boisvert and Charles Clark and Carl Williams}, title = {Quantum Key Distribution System Operating at Sifted-Key Rate Over 4 Mbit/s1}, year = {2009}, number = {6244}, month = {2009-06-01}, publisher = {SPIE Defense and Security Symposium | 4th| | SPIE}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=151163}, language = {en}, }