Chaotic data encryption using semiconductor laser diodes

Paul Rees; Siva Sivaprakasam; Paul S. Spencer; Jon Paul; Iestyn Pierce; K. Alan Shore

doi:10.1117/12.480192

3 July 2003 Chaotic data encryption using semiconductor laser diodes

Paul Rees, Siva Sivaprakasam, Paul S. Spencer, Jon Paul, Iestyn Pierce, K. Alan Shore

Proceedings Volume 4995, Novel In-Plane Semiconductor Lasers II; (2003) https://doi.org/10.1117/12.480192
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

Synchronized external-cavity diode lasers are used for chaotic optical communication. A 1 GHz message is encoded by current modulation of the chaotic transmitter laser and decoded by a synchronzied chaotic receiver laser diode. The effect of introducing the message by optical injection into the receiver laser instead of direct current modulation is then investigated. Finally, we show how the signal masking can be enhacned by the appropriate choice of external cavity length for a given message frequency.

Citation Download Citation

Paul Rees, Siva Sivaprakasam, Paul S. Spencer, Jon Paul, Iestyn Pierce, and K. Alan Shore "Chaotic data encryption using semiconductor laser diodes", Proc. SPIE 4995, Novel In-Plane Semiconductor Lasers II, (3 July 2003); https://doi.org/10.1117/12.480192

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