Secure communication systems based on chaos in optically pumped spin-VCSELs

Nianqiang Li, H. Susanto, B. Cemlyn, I. D. Henning, M. J. Adams

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

We report on a master and slave configuration consisting of two optically pumped spin-vertical-cavity surface-emitting lasers for chaos synchronization and secure communication. Under appropriate conditions, high-quality chaos synchronization is achieved. We propose two encryption schemes, where either the pump magnitude or polarization is modulated. The results show that these allow for Gb/s transmission of secure data, but exhibit different features: one indicates that the message can be recovered by the total intensity, but not the polarization components, whereas the other shows that the message can be better or exclusively retrieved from the polarization components at high bit rates.

Original languageBritish English
Pages (from-to)3494-3497
Number of pages4
JournalOptics Letters
Volume42
Issue number17
DOIs
StatePublished - 1 Sep 2017

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