Physics – Condensed Matter
Scientific paper
1999-08-11
Physics
Condensed Matter
10 pages, 3 figures, Quantum Electronics and Laser Science Conference 1999, Postdeadline papers QPD12-1
Scientific paper
10.1103/PhysRevA.61.041602
We construct a Mach-Zehnder interferometer using Bose-Einstein condensed rubidium atoms and optical Bragg diffraction. In contrast to interferometers based on normal diffraction, where only a small percentage of the atoms contribute to the signal, our Bragg diffraction interferometer uses all the condensate atoms. The condensate coherence properties and high phase-space density result in an interference pattern of nearly 100% contrast. In principle, the enclosed area of the interferometer may be arbitrarily large, making it an ideal tool that could be used in the detection of vortices, or possibly even gravitational waves.
Deng Lu
Hagley Edward W.
Kozuma Mikio
Kuga Takahiro
Suzuki Yoichi
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