29 January 2018 Secure long-range and high bit-rate distribution of shared key using dark states ultra-long fiber laser (UFL)
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Abstract
We present and demonstrate a unique type of secure key distribution utilizing ultra-long fiber laser (UFL). A 500km long secure key distribution link based on Raman gain UFL is demonstrated experimentally. An error-free distribution of a random key with an average bit-rate of 100Hz between the users is demonstrated and the key is shown to be unrecoverable to an eavesdropper employing either time or frequency domain passive attacks.
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Jacob Scheuer, Jacob Scheuer, } "Secure long-range and high bit-rate distribution of shared key using dark states ultra-long fiber laser (UFL)", Proc. SPIE 10559, Broadband Access Communication Technologies XII, 1055902 (29 January 2018); doi: 10.1117/12.2295753; https://doi.org/10.1117/12.2295753
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