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Self-synchronization and dissipation-induced threshold in collective atomic recoil lasing

von Cube, C. and Kruse, D. and Zimmermann, C. and Courteille, P.W. and Robb, G.R.M. and Piovella, N. and Bonifacio, R. (2004) Self-synchronization and dissipation-induced threshold in collective atomic recoil lasing. Physical Review Letters, 93 (8). 083601-1. ISSN 0031-9007

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    Abstract

    Networks of globally coupled oscillators exhibit phase transitions from incoherent to coherent states. Atoms interacting with the counterpropagating modes of a unidirectionally pumped high-finesse ring cavity form such a globally coupled network. The coupling mechanism is provided by collective atomic recoil lasing, i.e., cooperative Bragg scattering of laser light at an atomic density grating, which is self-induced by the laser light. Under the rule of an additional friction force, the atomic ensemble is expected to undergo a phase transition to a state of synchronized atomic motion. We present the experimental investigation of this phase transition by studying the threshold behavior of this lasing process.

    Item type: Article
    ID code: 2978
    Keywords: atomic recoil lasing, lasers, atoms, laser light, optics, Optics. Light, Physics and Astronomy(all)
    Subjects: Science > Physics > Optics. Light
    Department: Faculty of Science > Physics
    Related URLs:
    Depositing user: Mr Derek Boyle
    Date Deposited: 02 Mar 2007
    Last modified: 04 Sep 2014 13:20
    URI: http://strathprints.strath.ac.uk/id/eprint/2978

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