期刊
OPTICS EXPRESS
卷 19, 期 14, 页码 12984-12991出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.012984
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资金
- Army Research Office
- DARPA
- AFOSR MURI
- NSF
In this paper we demonstrate a technique that can create non-equilibrium vortex configurations with almost arbitrary charge and geometry in a Bose-Einstein condensate. We coherently transfer orbital angular momentum from a holographically generated light beam to a Rb-87 condensate using a two-photon stimulated Raman process. Using matter wave interferometry, we verify the phase pattern imprinted onto the atomic wave function for a single vortex and a vortex-antivortex pair. In addition to their phase winding, the vortices created with this technique have an associated hyperfine spin texture. (C) 2011 Optical Society of America
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