Giant excess noise and transient gain in misaligned laser cavities

Firth, William J. and Yao, Alison M. (2005) Giant excess noise and transient gain in misaligned laser cavities. Physical Review Letters, 95 (7). 073903-1. ISSN 1079-7114 (http://dx.doi.org/10.1103/PhysRevLett.95.073903)

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Abstract

The excess noise factor is calculated analytically for a very general class of optical cavities, and is shown to have a superexponential dependence on cavity misalignment, easily attaining values of order 1010. The physical basis is shown to be 'transient gain' associated with amplified spontaneous emission. Similarly dramatic effects of symmetry breaking can be expected in other physical systems with non-normal modes.

  • Item type:Article
    ID code:2885
    Dates:
    Date
    Event
    August 2005
    Published
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Depositing user: Mr Derek Boyle
    Date deposited:06 Feb 2007
    Last modified:08 Apr 2024 15:38
    URI:https://strathprints.strath.ac.uk/id/eprint/2885
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