781 Mbit/s photon-counting optical communications using a superconducting nanowire detector |
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| Authors: | Robinson Bryan S Kerman Andrew J Dauler Eric A Barron Richard J Caplan David O Stevens Mark L Carney John J Hamilton Scott A Yang Joel K W Berggren Karl K |
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| Affiliation: | MIT Lincoln Laboratory, Lexington, Massachusetts 02420, USA. brobinson@ll.mit.edu |
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| 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 781 Mbits/s. To the best of our knowledge, this is the highest reported data rate for a photon-counting receiver. |
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