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arXiv · 1706.01256

Single atoms coupled to a near-concentric cavity

Chi Huan Nguyen·Adrian Nugraha Utama·Nick Lewty·Kadir Durak·Gleb Maslennikov·Stanislav Straupe·Matthias Steiner·Christian Kurtsiefer
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Abstract

Concentric cavities can lead to strong photon-atom coupling without a need for high finesse or small physical-cavity volume. In a proof-of-principle experiment of this concept we demonstrate coupling of single Rb atoms to a 11mm long near-concentric cavity with a finesse F=138(2). Operating the cavity 1.65(1)$μ$m shorter than the critical length, we observe an atom-cavity coupling constant $g_0=2π\times 5.0(2)\,$MHz which exceeds the natural dipole decay rate $γ$ by a factor $g_0/γ=1.7(1)$.

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Chi Huan Nguyen, Adrian Nugraha Utama, Nick Lewty, Kadir Durak, Gleb Maslennikov, Stanislav Straupe, Matthias Steiner, Christian Kurtsiefer. 2017-06-05. Single atoms coupled to a near-concentric cavity. https://doi.org/10.1103/physreva.96.031802

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