Laser cooling of rubidium atoms in a 2D optical lattice

Chunhua Wei; Carlos C.N. Kuhn

doi:10.1080/09500340.2018.1429684

Laser cooling of rubidium atoms in a 2D optical lattice

Chunhua Wei^*, Carlos C.N. Kuhn

^*Corresponding author for this work

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

4 Citations (Scopus)

Abstract

Lossless polarization gradient cooling of 4 × 10^{7 87Rb} atoms in a far-detuned 2D optical lattice is demonstrated. Temperatures down to μK and phase space densities as high as 1 / 1000 are achieved in a total duty cycle of 215ms. It is shown that utilizing the vector component of the optical lattice allows lower temperatures to be achieved when compared with pure scalar lattices.

Original language	English
Pages (from-to)	1226-1234
Number of pages	9
Journal	Journal of Modern Optics
Volume	65
Issue number	10
DOIs	https://doi.org/10.1080/09500340.2018.1429684
Publication status	Published - 7 Jun 2018

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10.1080/09500340.2018.1429684

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title = "Laser cooling of rubidium atoms in a 2D optical lattice",

abstract = "Lossless polarization gradient cooling of 4 × 107 87Rb atoms in a far-detuned 2D optical lattice is demonstrated. Temperatures down to μK and phase space densities as high as 1 / 1000 are achieved in a total duty cycle of 215ms. It is shown that utilizing the vector component of the optical lattice allows lower temperatures to be achieved when compared with pure scalar lattices.",

keywords = "Laser cooling, optical lattice, polarization gradient cooling",

author = "Chunhua Wei and Kuhn, \{Carlos C.N.\}",

note = "Publisher Copyright: {\textcopyright} 2018 Informa UK Limited, trading as Taylor \& Francis Group.",

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AU - Kuhn, Carlos C.N.

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N2 - Lossless polarization gradient cooling of 4 × 107 87Rb atoms in a far-detuned 2D optical lattice is demonstrated. Temperatures down to μK and phase space densities as high as 1 / 1000 are achieved in a total duty cycle of 215ms. It is shown that utilizing the vector component of the optical lattice allows lower temperatures to be achieved when compared with pure scalar lattices.

AB - Lossless polarization gradient cooling of 4 × 107 87Rb atoms in a far-detuned 2D optical lattice is demonstrated. Temperatures down to μK and phase space densities as high as 1 / 1000 are achieved in a total duty cycle of 215ms. It is shown that utilizing the vector component of the optical lattice allows lower temperatures to be achieved when compared with pure scalar lattices.

KW - Laser cooling

KW - optical lattice

KW - polarization gradient cooling

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EP - 1234

JO - Journal of Modern Optics

JF - Journal of Modern Optics

IS - 10

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Laser cooling of rubidium atoms in a 2D optical lattice

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