Title :
GHz Bandwidth Message Transmission Using Chaotic Vertical-Cavity Surface-Emitting Lasers
Author :
Hong, Yanhua ; Lee, Min Won ; Paul, Jon ; Spencer, Paul S. ; Shore, K. Alan
Author_Institution :
Sch. of Electron. Eng., Bangor Univ., Bangor, UK
Abstract :
Chaotic message encoding and decoding in unidirectionally coupled vertical-cavity surface-emitting lasers (VCSELs) with polarization-preserved and polarization-selected optical injection has been studied experimentally. A GHz message has been successfully encoded in the chaotic transmitter and decoded from the receiver with polarization-preserved optical injection. In contrast decoding using polarization-selected optical injection was achieved at only 330 MHz. It has also been demonstrated that GHz message extraction can be achieved using both normal and inverse chaos synchronization thus providing an opportunity for exploiting polarization properties of VCSELs for duplexed chaotic message transmission.
Keywords :
chaotic communication; decoding; encoding; light polarisation; optical fibre communication; optical receivers; optical transmitters; semiconductor lasers; surface emitting lasers; telecommunication security; VCSEL; chaos synchronization; chaotic message decoding; chaotic message encoding; frequency 330 MHz; polarization-preserved optical injection; polarization-selected optical injection; vertical-cavity surface-emitting lasers; Chaos; optical feedback; semiconductor lasers; synchronization;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2009.2030344