1 November 1996 Modified coherence-modulation techniques for secure transmission
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Abstract
In this presentation, we discuss the security aspect of coherence modulation for telecommunications. Recently, we demonstrated a simple technique for decoding the signal without any decoder interferometer. We now demonstrate a secure alternative method based on the corruption of the interferometer's optical path difference. Experimental results at low bit rate using fiber interferometers as well as transmission at high bit rates using large-imbalanced integrated optic interferometers are presented. Considerations about the polarization state of the light are also discussed.
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Bruno Wacogne, Henri Porte, Pascal Mollier, David A. Jackson, "Modified coherence-modulation techniques for secure transmission", Proc. SPIE 2919, All-Optical Communication Systems: Architecture, Control, and Network Issues II, (1 November 1996); doi: 10.1117/12.256346; https://doi.org/10.1117/12.256346
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