@conference{144376, author = {Daniel Rogers and Joshua Bienfang and A Mink and B Hershman and A Nakassis and X Tang and L Ma and D Su and Carl Williams and Charles Clark}, title = {Free space quantum cryptography in the H-alpha Fraunhofer window}, year = {2006}, number = {6304}, month = {2006-01-01}, publisher = {Free Space Laser Communications VI, San Diego, CA}, language = {en}, }