Demonstration of a state-insensitive, compensated nanofiber trap.
@article{Goban2012DemonstrationOA, title={Demonstration of a state-insensitive, compensated nanofiber trap.}, author={A. Goban and K. S. Choi and Daniel J. Alton and D. W. Ding and Cl{\'e}ment Lacro{\^u}te and Martin Pototschnig and Tobias Thiele and Nathaniel P. Stern and Harry J. Kimble}, journal={Physical review letters}, year={2012}, volume={109 3}, pages={ 033603 } }
We report the experimental realization of an optical trap that localizes single Cs atoms ≃215 nm from the surface of a dielectric nanofiber. By operating at magic wavelengths for pairs of counterpropagating red- and blue-detuned trapping beams, differential scalar light shifts are eliminated, and vector shifts are suppressed by ≈250. We thereby measure an absorption linewidth Γ/2π=5.7±0.1 MHz for the Cs 6S(1/2), F=4→6P(3/2), F'=5 transition, where Γ0/2π=5.2 MHz in free space. An optical…
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