Journal
OPTICS COMMUNICATIONS
Volume 200, Issue 1-6, Pages 143-152Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0030-4018(01)01627-3
Keywords
chaos; encoded communication; fiber propagation; vertical cavity surface emitting lasers; synchronization
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Influence of side modes oil the performance of optical chaotic communication systems is studied theoretically. Three coding techniques, namely chaotic modulation, chaotic masking and chaotic shift keying, are also considered in the investigation. It can be shown that communication system using chaotic shift keying has better immunity to side mode. On the other hand, frequency division multiplexing using multimode vertical cavity surface emitting laser is proposed to double the transmission capacity of the communication system. (C) 2001 Elsevier Science B.V. All rights reserved.
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