Abstract

We demonstrate 1550 nm photon-counting optical communications with a NbN-nanowire superconducting single-photon detector. Source data are encoded with a rate-1/2 forward-error correcting code and transmitted by use of 32-ary pulse-position modulation at 5 and 10 GHz slot rates. Error-free performance is obtained with 0.5 detected photon per source bit at a source data rate of 781Mbitss. To the best of our knowledge, this is the highest reported data rate for a photon-counting receiver.

© 2006 Optical Society of America

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