Realization and application of strong coupling of single cesium atoms with TEM00 and TEM10 modes of a high-finesse Fabry-Perot cavity

Junmin Wang; Pengfei Zhang; Gang Li; Tiancai Zhang

doi:10.1117/12.922110

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4 May 2012 Realization and application of strong coupling of single cesium atoms with TEM₀₀ and TEM₁₀ modes of a high-finesse Fabry-Perot cavity

Junmin Wang, Pengfei Zhang, Gang Li, Tiancai Zhang

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Proceedings Volume 8440, Quantum Optics II; 844009 (2012) https://doi.org/10.1117/12.922110
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Strong coupling of single cesium atoms with a high-finesse optical micro-cavity (the finesse of our Fabry-Perot-type micro-cavity is F = 3.3 x 1⁰⁵ and the cavity length is l_c = 86 μm) has been realized for the both cases of TEM00 and TEM10 cavity modes in our experiments. The typical parameters are (g₀₀, κ, Υ) = 2π x (23.9, 2.6, 2.6) MHz and (g₁₀, κ, Υ) = 2π x (20.5, 2.6, 2.6) MHz for these two cases, respectively. Obviously our system reaches the strong coupling regime. The first application is to adopt strong coupling of free-fall individual atoms with the TEM00 cavity mode for determining the effective temperature of laser-cooled atoms prepared in a magneto-optical trap located just above the micro-cavity. The second application is to employ strong coupling of free-fall individual atoms with the tilted TEM10 cavity mode, in stead of TEM₀₀ mode, for more precisely tracking the trajectories of atoms passing through the cavity mode.

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Junmin Wang, Pengfei Zhang, Gang Li, and Tiancai Zhang "Realization and application of strong coupling of single cesium atoms with TEM₀₀ and TEM₁₀ modes of a high-finesse Fabry-Perot cavity", Proc. SPIE 8440, Quantum Optics II, 844009 (4 May 2012); https://doi.org/10.1117/12.922110

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