Message Encoding/Decoding Using Unpredictability-Enhanced Chaotic VCSELs

Successful message encoding/decoding in an unpredictability-enhanced chaotic vertical-cavity surface-emitting lasers (VCSELs) system is achieved numerically via the chaos-shift-keying technique. Both VCSELs are subject to variable-polarization optical feedback (VPOF), and polarization-preserved opti...

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Veröffentlicht in:IEEE photonics technology letters Jg. 24; H. 15; S. 1267 - 1269
Hauptverfasser: Xiang, Shui Ying, Pan, Wei, Luo, Bin, Yan, Lian Shan, Zou, Xi Hua, Jiang, Ning, Li, Nian Qiang, Zhu, Hong Na
Format: Journal Article
Sprache:Englisch
Veröffentlicht: IEEE 01.08.2012
Schlagworte:
Chaotic communication
Decoding
security
Synchronization
variable-polarization optical feedback
Vertical cavity surface emitting lasers
ISSN:1041-1135, 1941-0174
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Zusammenfassung:Successful message encoding/decoding in an unpredictability-enhanced chaotic vertical-cavity surface-emitting lasers (VCSELs) system is achieved numerically via the chaos-shift-keying technique. Both VCSELs are subject to variable-polarization optical feedback (VPOF), and polarization-preserved optical injection is adopted. Better decoding performance is achieved by choosing proper polarizer angle, and the security is, to some extent, enhanced owing to the VPOF.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2012.2197195