State dependent pseudoresonances and excess noise
Papoff, F. and D'Alessandro, G. and Oppo, G.L. (2008) State dependent pseudoresonances and excess noise. Physical Review Letters, 100 (12). 123905. ISSN 0031-9007
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We show that strong response to nonresonant modulations and excess noise are state dependent in generic nonlinear systems; i.e., they affect some output states but are absent from others. This is demonstrated in complex Swift-Hohenberg models relevant to optics, where it is caused by the non-normality of the linearized stability operators around selected output states, even though the cavity modes are orthogonal. In particular, we find the effective parameters that control excess noise and the response to modulations and show cases where these phenomena are enhanced by an order of magnitude.
| Creators(s): |
Papoff, F.  ORCID: https://orcid.org/0000-0002-3456-343X, D'Alessandro, G. and Oppo, G.L. ORCID: https://orcid.org/0000-0002-5376-4309;
| Item type: | Article |
|---|---|
| ID code: | 19726 |
| Keywords: | optics, excess noise, pseudoresonances, generic nonlinearsystems, Physics, Physics and Astronomy(all) |
| Subjects: | Science > Physics |
| Department: | Faculty of Science > Physics |
| Depositing user: | Strathprints Administrator |
| Date deposited: | 26 May 2010 16:27 |
| Last modified: | 20 Jan 2021 18:33 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/19726 |
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