Radwell, N., McIntyre, C., Scroggie, A.J., Oppo, G.-L., Firth, W.J. and Ackemann, T. (2010) Switching spatial dissipative solitons in a VCSEL with frequency selective feedback. European Physical Journal D, 59(1), pp. 121-131. (doi: 10.1140/epjd/e2010-00124-6)
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Abstract
The process of switching on bistable spatial dissipative solitons in a VCSEL with frequency selective feedback is analyzed experimentally and theoretically. Two regimes of successful writing of spatial solitons with an external pulse are identified: for short durations of the writing beam pulse, the input amplitude has to increase, while for longer durations, the input amplitude can remain constant. Switch on spectrograms of the frequency spectrum show a transient dynamics over many modes of the external cavity with a drift of the central frequency from higher to lower frequency. Such a multi-mode regime is almost independent of the frequency of the writing beam. It is interpreted to be due to the existence of multiple unstable solitons with different frequencies which channel the transient dynamics. Good agreement between experimental results and numerical simulations in both the time and frequency domains is found.
| Item Type: | Articles (Letter) |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Radwell, Dr Neal |
| Authors: | Radwell, N., McIntyre, C., Scroggie, A.J., Oppo, G.-L., Firth, W.J., and Ackemann, T. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | European Physical Journal D |
| Publisher: | Springer Verlag |
| ISSN: | 1434-6060 |
| ISSN (Online): | 1434-6079 |
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