Beri, S., Mashall, L., Gelens, L., Van der Sande, G., Mezosi, G., Sorel, M. , Danckaert, J. and Verschaffelt, G. (2010) Excitability in optical systems close to Z2-symmetry. Physics Letters A, 374(5), pp. 739-743. (doi: 10.1016/j.physleta.2009.11.070)
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Abstract
We report theoretically and experimentally on excitability in semiconductor ring lasers in order to reveal a mechanism of excitability, general for systems close to Z<sub>2</sub>-symmetry. The global shapes of the invariant manifolds of a saddle in the vicinity of a homoclinic loop determine the origin of excitability and the features of the excitable Pulses. We show how to experimentally make a semiconductor ring laser excitable by breaking the Z<sub>2</sub>-symmetry in a controlled way. The experiments confirm the theoretical predictions.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Mezosi, Mr Gabor and Sorel, Professor Marc |
| Authors: | Beri, S., Mashall, L., Gelens, L., Van der Sande, G., Mezosi, G., Sorel, M., Danckaert, J., and Verschaffelt, G. |
| Subjects: | Q Science > QC Physics |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Physics Letters A |
| Publisher: | Elsevier BV |
| ISSN: | 0375-9601 |
| ISSN (Online): | 1873-2429 |
| Published Online: | 26 November 2009 |
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