Phase-Coherent Amplification of Matter Waves-Reference-Cited by-同舟云学术

Phase-Coherent Amplification of Matter Waves

Published:1999-12-17 Issue:5448 Volume:286 Page:2309-2312
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Kozuma Mikio¹,Suzuki Yoichi¹,Torii Yoshio²,Sugiura Toshiaki¹,Kuga Takahiro¹,Hagley E. W.³,Deng L.³

Affiliation:

1. Institute of Physics, University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan.

2. Department of Physics, Gakushuin University, Mejiro 1-5-1, Toshima-ku, Tokyo 171-8588, Japan.

3. Physics Lab, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.

Abstract

Phase-coherent matter-wave amplification was demonstrated using Bose- Einstein–condensed rubidium-87 atoms. A small seed matter wave was created with coherent optical Bragg diffraction. Amplification of this seed matter wave was achieved by using the initial condensate as a gain medium through the superradiance effect. The coherence properties of the amplified matter wave, studied with a matter-wave interferometer, were shown to be locked to those of the initial seed wave. The active matter-wave device demonstrated here has great potential in the fields of atom optics, atom lithography, and precision measurements.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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