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Quantum Electronics and Laser Science Conference

Quantum phase evolution of a bose-einstein condensate

Simsarian, Denschlag, Clark, Deng, Edwards, Hagley, Helmerson, Rolston, Phillips

Published Jan 1, 2000• 0 citations
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Quantum phase engineering is demonstrated with two techniques that allow the spatial phase distribution of a Bose-Einstein condensate (BEC) to be written and read out. A quantum state was designed and produced by optically imprinting a phase pattern onto a BEC of sodium atoms, and matter-wave interferometry with spatially resolved imaging was used to analyze the resultant phase distribution. An appropriate phase imprint created solitons, the first experimental realization of this nonlinear phenomenon in a BEC. The subsequent evolution of these excitations was investigated both experimentally and theoretically.