Cavity length as a key to security in a chaotic optical communication scheme

John Paul; Siva Sivaprakasam; Paul S. Spencer; Keith Alan Shore

doi:10.1117/12.470559

12 June 2002 Cavity length as a key to security in a chaotic optical communication scheme

John Paul, Siva Sivaprakasam, Paul S. Spencer, Keith Alan Shore

Proceedings Volume 4646, Physics and Simulation of Optoelectronic Devices X; (2002) https://doi.org/10.1117/12.470559
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

Three diode lasers are used as message, transmitter and receive lasers. The message laser is amplitude modulated by a simple message and its output is optically coupled to the transmitter laser ensuring optical modulation of message. The transmitter laser is rendered chaotic by application of appropriate optical feedback. The receiver laser is used to decode the message. Effective signal masking is enhanced by the selection of an appropriate external cavity length, which could be a possible key for chaotic optical communication security.

Citation Download Citation

John Paul, Siva Sivaprakasam, Paul S. Spencer, and Keith Alan Shore "Cavity length as a key to security in a chaotic optical communication scheme", Proc. SPIE 4646, Physics and Simulation of Optoelectronic Devices X, (12 June 2002); https://doi.org/10.1117/12.470559

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