Imprinting Light Phase on Matter Wave Gratings in Superradiance Scattering
arXiv:1001.4343 · doi:10.1103/PhysRevA.81.013615
Abstract
Superradiance scattering from a Bose-Einstein condensate is studied with a two-frequency pumping beam. We demonstrate the possibility of fully tuning the backward mode population as a function of the locked initial relative phase between the two frequency components of the pumping beam. This result comes from an imprinting of this initial relative phase on two matter wave gratings, formed by the forward mode or backward mode condensate plus the condensate at rest, so that cooperative scattering is affected. A numerical simulation using a semiclassical model agrees with our observations.
6 pages, 11 figures
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- Early Stage of Superradiance from Bose-Einstein Condensates
- Study to improve the performance of interferometer with ultra-cold atoms
- A momentum filter for atomic gas
- Mode competition in superradiant scattering of matter waves
- Exploring multi-band excitations of interacting Bose gases in a 1D optical lattice by coherent scattering
- Cooperative scattering measurement of coherence in a spatially modulated Bose gas
- Asymmetric superradiant scattering and abnormal mode amplification induced by atomic density distortion
- Passage-time statistics of superradiant light pulses from Bose-Einstein condensates
- Diffractions of Bose-Einstein Condensate in Quantized Light Fields