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

Research output: Contribution to journal › Article › peer-review

100 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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UR - https://www.scopus.com/pages/publications/28844497451#tab=citedBy

U2 - 10.1103/PhysRevLett.95.170404

DO - 10.1103/PhysRevLett.95.170404

M3 - Article

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SN - 0031-9007

VL - 95

JO - Physical review letters

JF - Physical review letters

IS - 17

M1 - 170404

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Parametric amplification of matter waves in periodically translated optical lattices

Abstract

All Science Journal Classification (ASJC) codes

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