Collective Atomic Recoil Lasing Including Friction and Diffusion Effects

Abstract

We extend the Collective Atomic Recoil Lasing (CARL) model including the effects of friction and diffusion forces acting on the atoms due to the presence of optical molasses fields. The results from this model are consistent with those from a recent experiment by Kruse et al. [Phys. Rev. Lett. 91, 183601 (2003)]. In particular, we obtain a threshold condition above which collective backscattering occurs. Using a nonlinear analysis we show that the backscattered field and the bunching evolve to a steady-state, in contrast to the non-stationary behaviour of the standard CARL model. For a proper choice of the parameters, this steady-state can be superfluorescent.

4 pages, 4 figures, submitted to PRA

References in corpus (3)

• Observation of Lasing Mediated by Collective Atomic Recoil
• Observation of Collective-Emission-Induced Cooling inside an Optical Cavity
• Collective Atomic Motion in an Optical Lattice formed inside a High Finesse Cavity

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• Self ordering and superradiant backscattering of a gaseous beam in a ring cavity with counter propagating pump
• Monolithic bowtie cavity traps for ultra-cold gases
• Long-range interactions in a quantum gas mediated by diffracted light
• Superfluorescence spectra of excitons in quantum wells
• Self-organization effects and light amplification of collective atomic recoil motion in a harmonic trap