Phys. Rev. A 68, 021801(R) (2003) [4 pages]Photon echo in the super-radiant light scattering from a Bose-Einstein condensate
Super-radiant Rayleigh scattering from a Bose-Einstein condensate, driven by a single far-detuned laser beam, is strongly limited by dephasing due to inhomogeneous broadening. We demonstrate that the dephasing can be reversed applying a Bragg pulse of area π after the first superradiant scattering, stimulating a superradiant echo and inducing a further transfer of atoms from the initial condensate to a condensate with relative momentum 2ħk in the direction of the laser. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.68.021801
DOI:
10.1103/PhysRevA.68.021801
PACS:
03.75.-b, 42.50.Fx, 42.50.Vk
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