Fabrication of magnetooptical atom traps on a chip


Lewis, Gareth Neil , Moktadir, Zakaria , Gollasch, C. , Kraft, Michael , Pollock, Samuel , Ramirez-Martinez, Fernando , Ashmore, J. P. , Laliotis, A. , Trupke, M. and Hinds, Edward A. (2009) Fabrication of magnetooptical atom traps on a chip. IEEE Journal of Micro-Electro-Mechanical Systems, 18, (2), 347 -353 . (doi:10.1109/JMEMS.2008.2007200).

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Description/Abstract

Ultracold atoms can be manipulated using microfabricated devices known as atom chips. These have significant potential for applications in sensing, metrology, and quantum information processing. To date, the chips are loaded by transfer of atoms from an external macroscopic magnetooptical trap (MOT) into microscopic traps on the chip. This transfer involves a series of steps, which complicate the experimental procedure and lead to atom losses. In this paper, we present a design for integrating a MOT into a silicon wafer by combining a concave pyramidal mirror with a square wire loop. We describe how an array of such traps has been fabricated, and we present magnetic, thermal, and optical properties of the chip.

Item Type: Article
ISSNs: 1057-7157
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science > NANO
ePrint ID: 267278
Date Deposited: 17 Apr 2009 13:18
Last Modified: 27 Mar 2014 20:13
Further Information:Google Scholar
ISI Citation Count:6
URI: http://eprints.soton.ac.uk/id/eprint/267278

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