Abstract
Collective scattering of light due to atomic recoil, also known as Collective Atomic Recoil Lasing (CARL), occurs when a gas of atoms coherently scatters light from a pump laser via a collective instability1. The scattering process can become unstable due to the atoms in the gas recoiling under the influence of the dynamic optical forces which arise due to the interference of the pump and scattered fields. The atoms move to form a spatially periodic density grating, which in turn amplifies the scattered field.
© 2009 IEEE
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