Trapping atoms with evanescent light fields from integrated optical waveguides

James P. Burke Jr.; Sai Tak Chu; Garnett W. Bryant; Carl J. Williams; Paul S. Julienne

doi:10.1117/12.424717

12 April 2001 Trapping atoms with evanescent light fields from integrated optical waveguides

James P. Burke Jr., Sai Tak Chu, Garnett W. Bryant, Carl J. Williams, Paul S. Julienne

Proceedings Volume 4271, Optical Pulse and Beam Propagation III; (2001) https://doi.org/10.1117/12.424717
Event: Photonics West 2001 - LASE, 2001, San Jose, CA, United States

Abstract

We theoretically investigate three approaches to trapping atoms above linear integrated optical waveguides. A two- color scheme balances the decaying evanescent elds of red- and blue-detuned light to produce a potential minimum above the guide. A one-color surface trap proposal uses blue-detuned light and the attractive surface interaction to provide a potential minimum. A third proposal uses blue-detuned light in two guides positioned above and below one another. The atoms are con ned to the \dark" spot in the vacuum gap between the guides. We nd that all three approaches can be used in principle to trap atoms in two- or three-dimensions with a few 10's of mW of laser power. Of these three methods, we show that the dark spot guide is the most robust to power fluctuations and provides the most viable design approach to constructing integrated optical circuits that could transport and manipulate atoms in a controlled manner.

Citation Download Citation

James P. Burke Jr., Sai Tak Chu, Garnett W. Bryant, Carl J. Williams, and Paul S. Julienne "Trapping atoms with evanescent light fields from integrated optical waveguides", Proc. SPIE 4271, Optical Pulse and Beam Propagation III, (12 April 2001); https://doi.org/10.1117/12.424717

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