Numerical investigations on multi-channel wideband chaotic signal generation by a multi-transverse mode vertical-cavity surface-emitting laser subject to chaotic optical injection

A multi-channel wideband chaotic signal generation scheme is proposed and numerically investigated based on a slave multi-transverse mode vertical-cavity surface-emitting laser (SL) subject to chaotic optical injection from a master multi-transverse mode vertical-cavity surface-emitting laser (ML) w...

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Bibliographic Details
Published in:Applied optics (2004) 2019-10, Vol.58 (30), p.8160
Main Authors: Yang, Wenyan, Xia, Guangqiong, Jiang, Zaifu, Jayaprasath, Elumalai, Hu, Chunxia, Wu, Zhengmao
Format: Article
Language:English
Subjects:
Bandwidths
Broadband
Computer simulation
Lasers
Optical feedback
Optical wireless
Signal generation
Vertical cavity surface emission lasers
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Summary:A multi-channel wideband chaotic signal generation scheme is proposed and numerically investigated based on a slave multi-transverse mode vertical-cavity surface-emitting laser (SL) subject to chaotic optical injection from a master multi-transverse mode vertical-cavity surface-emitting laser (ML) with optical feedback. Taking two low-order transverse modes, LP01 and LP11, as an example for numerical calculations, the simulated results show that under suitable optical feedback both the LP01 and LP11 modes (two-channel) of a ML can be driven into the chaotic states where their bandwidths are relatively narrow at a level about 8 GHz. Further injecting the two chaotic signals into a SL, for the case of the globally chaotic optical injection, the SL can output two-channel chaotic signals with wide bandwidths above 20 GHz under appropriate operation parameters. Moreover, the case of SL with mode-selective chaotic optical injection is also analyzed.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.58.008160