Gain-controlled wave chaos in a chaotic optical fibre

C. Michel; S. Tascu; V. Doya; O. Legrand; F. Mortessagne

doi:10.2971/jeos.2009.09020

Journal of the European Optical Society - Rapid publications, Vol 4 (2009)

Gain-controlled wave chaos in a chaotic optical fibre

C. Michel, S. Tascu, V. Doya, O. Legrand, F. Mortessagne

Abstract

In this paper, we present a non-standard fibre amplifier specially designed to amplify scar modes of a multimode chaotic optical fibre. More precisely, we introduce Ytterbium in the optical fibre as a gain medium localised on the maximum of intensity of the scar modes. After briefly recalling the relevance of a chaotic optical fibre as a device to visualise quantum chaos, we describe the amplification process of scars. We present some numerical results that demonstrate the selective amplification of scar modes, with an amplification rate proportional to the overlap between these modes and the gain area.

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