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Average patterns and coherent phenomena in wide aperture lasers

Average patterns and coherent phenomena in wide aperture lasers
Average patterns and coherent phenomena in wide aperture lasers
Using a realistic model of wide aperture, weakly astigmatic lasers we develop a framework to analyze experimental average intensity patterns. We use the model to explain the appearance of patterns in terms of the modes of the cavity and to show that the breaking of the symmetry of the average intensity patterns is caused by overlaps in the frequency spectra of nonvanishing of modes with different parity. This result can be used even in systems with very fast dynamics to detect experimentally overlaps of frequency spectra of modes.
1539-3755
066212-[11pp]
D'Alessandro, G.
bad097e1-9506-4b6e-aa56-3e67a526e83b
Papoff, F.
1c4e9e0a-8210-49b3-86e2-1d0323b21268
Louvergneaux, E.
10b46c29-c5e8-4cbc-9d6a-41515d1114a1
Glorieux, P.
ef026e02-4e68-4d9b-b1b1-6636b4b15d60
D'Alessandro, G.
bad097e1-9506-4b6e-aa56-3e67a526e83b
Papoff, F.
1c4e9e0a-8210-49b3-86e2-1d0323b21268
Louvergneaux, E.
10b46c29-c5e8-4cbc-9d6a-41515d1114a1
Glorieux, P.
ef026e02-4e68-4d9b-b1b1-6636b4b15d60

D'Alessandro, G., Papoff, F., Louvergneaux, E. and Glorieux, P. (2004) Average patterns and coherent phenomena in wide aperture lasers. Physical Review E, 69 (6), 066212-[11pp]. (doi:10.1103/PhysRevE.69.066212).

Record type: Article

Abstract

Using a realistic model of wide aperture, weakly astigmatic lasers we develop a framework to analyze experimental average intensity patterns. We use the model to explain the appearance of patterns in terms of the modes of the cavity and to show that the breaking of the symmetry of the average intensity patterns is caused by overlaps in the frequency spectra of nonvanishing of modes with different parity. This result can be used even in systems with very fast dynamics to detect experimentally overlaps of frequency spectra of modes.

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Published date: 15 June 2004

Identifiers

Local EPrints ID: 29308
URI: https://eprints.soton.ac.uk/id/eprint/29308
ISSN: 1539-3755
PURE UUID: 69a3bbf0-ba80-4ea0-b832-10045a138b8c
ORCID for G. D'Alessandro: ORCID iD orcid.org/0000-0001-9166-9356

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Date deposited: 12 May 2006
Last modified: 20 Jul 2019 01:19

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