Cavity nonlinear optics at low photon numbers from collective atomic motion

被引：240

作者：

Gupta, Subhadeep ^{[1
]}

Moore, Kevin L.

Murch, Kater W.

Stamper-Kurn, Dan M.

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Lawrence Berkeley Natl Lab, Div Sci Mat, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.99.213601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on Kerr nonlinearity and dispersive optical bistability of a Fabry-Perot optical resonator due to the displacement of ultracold atoms trapped within. In the driven resonator, such collective motion is induced by optical forces acting upon up to 10(5 87)Rb atoms prepared in the lowest band of a one-dimensional intracavity optical lattice. The longevity of atomic motional coherence allows for strongly nonlinear optics at extremely low cavity photon numbers, as demonstrated by the observation of both branches of optical bistability at photon numbers below unity.

引用

页数：4

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