We introduce and demonstrate experimentally a single-channel long-distance interferometer that utilizes frequency division of two optical waves by using acousto-optic devices at the transmitting and receiving nodes of the interferometer. This novel single-channel long-distance interferometer provides unity visibility of the interference and therefore is useful not only for remote sensing and optical communications but also for quantum cryptosystems applications.
© 1995 Optical Society of America
Original Manuscript: December 5, 1994
Published: May 1, 1995
P. C. Sun, Y. Mazurenko, and Y. Fainman, "Long-distance frequency-division interferometer for communication and quantum cryptography," Opt. Lett. 20, 1062-1064 (1995)