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Fibre Lasers

Keeping cryptographic keys safe

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Turning an optical fibre into a giant laser may allow for practical key generation without requiring fragile quantum states.

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Figure 1: Mirrors representing '0' or '1' (Mo or M1; Mr is a reset mirror) are randomly chosen by Alice and Bob.

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Authors and Affiliations

  1. NuCrypt L.L.C., 1801 Maple Avenue, 6322, Evanston, 60201-3135, Illinois, USA

    Gregory S. Kanter

  2. The Centre for Photonic Communication and Computing in the Electrical Engineering and Computer Science Department at Northwestern University, 2145 N. Sheridan Rd, Evanston, 60208-3118, Illinois, USA

    Prem Kumar

Authors
  1. Gregory S. Kanter
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  2. Prem Kumar
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Kanter, G., Kumar, P. Keeping cryptographic keys safe. Nature Photon 1, 15–16 (2007). https://doi.org/10.1038/nphoton.2006.62

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