Parametric amplification of matter waves in periodically translated optical lattices

N. Gemelke; E. Sarajlic; Y. Bidel; S. Hong; S. Chu

doi:10.1103/PhysRevLett.95.170404

Parametric amplification of matter waves in periodically translated optical lattices

N. Gemelke, E. Sarajlic, Y. Bidel, S. Hong, S. Chu

Physics

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97 Scopus citations

Abstract

We observe the sudden growth of small classes of Bloch waves from atomic Bose-Einstein condensates held in periodically translated optical lattices. The effect is explained by narrowband parametric amplification of Bloch waves from noise, due to phase-matched scattering of atom pairs out of the condensate. Amplification occurs above a well-defined modulation threshold, described by dynamic shaping of single-particle band structure.

Original language	English (US)
Article number	170404
Journal	Physical review letters
Volume	95
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.95.170404
State	Published - Oct 21 2005

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.95.170404

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title = "Parametric amplification of matter waves in periodically translated optical lattices",

abstract = "We observe the sudden growth of small classes of Bloch waves from atomic Bose-Einstein condensates held in periodically translated optical lattices. The effect is explained by narrowband parametric amplification of Bloch waves from noise, due to phase-matched scattering of atom pairs out of the condensate. Amplification occurs above a well-defined modulation threshold, described by dynamic shaping of single-particle band structure.",

author = "N. Gemelke and E. Sarajlic and Y. Bidel and S. Hong and S. Chu",

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AU - Gemelke, N.

AU - Sarajlic, E.

AU - Bidel, Y.

AU - Hong, S.

AU - Chu, S.

PY - 2005/10/21

Y1 - 2005/10/21

N2 - We observe the sudden growth of small classes of Bloch waves from atomic Bose-Einstein condensates held in periodically translated optical lattices. The effect is explained by narrowband parametric amplification of Bloch waves from noise, due to phase-matched scattering of atom pairs out of the condensate. Amplification occurs above a well-defined modulation threshold, described by dynamic shaping of single-particle band structure.

AB - We observe the sudden growth of small classes of Bloch waves from atomic Bose-Einstein condensates held in periodically translated optical lattices. The effect is explained by narrowband parametric amplification of Bloch waves from noise, due to phase-matched scattering of atom pairs out of the condensate. Amplification occurs above a well-defined modulation threshold, described by dynamic shaping of single-particle band structure.

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Parametric amplification of matter waves in periodically translated optical lattices

Abstract

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