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http://purl.org/purl/2525
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Title: | Bidirectional communication using delay coupled chaotic directly modulated semiconductor lasers |
Authors: | Bindu M, Krishna Manu P, John Nandakumaran, V M Technology |
Keywords: | Isochronal synchronization bidirectional communication directly modu-lated semiconductor lasers delayed optoelectronic feedback. |
Issue Date: | Feb-2010 |
Publisher: | Indian Academy of Sciences |
Abstract: | Chaotic synchronization of two directly modulated semiconductor lasers with
negative delayed optoelectronic feedback is investigated and this scheme is found to be
useful for e±cient bidirectional communication between the lasers. A symmetric bidirec-
tional coupling is identified as a suitable method for isochronal synchronization of such
lasers. The optimum values of coupling and feedback strength that can provide maxi-
mum quality of synchronization are identified. This method is successfully employed for
encoding/decoding both analog and digital messages. The importance of a symmetric
coupling is demonstrated by studying the variation of decoding efficiency with respect to
asymmetric coupling. |
URI: | http://dyuthi.cusat.ac.in/purl/2525 |
Appears in Collections: | Prof.Nandakumaran V M
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