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Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)

Preparation of an ion chain consisting of Ca+ and In+ with a specified arrangement

Kazuhiro Hayasaka

Published Jun 1, 2009• 1 citation
Publisher

Abstract

Experimental methods such as resonant photoionisation, potential-depth control, and real-time imaging for ion chain preparation consisting of Ca+and In+in prescribed arrangements are reported. The set-up consists of optical cooling in a linear radiofrequency trap, light sources and an image-intensified CCD camera. Time evolution of the fluorescence profile along the trap axis is observed at 397 nm.

DOI
10.1109/cleoe-eqec.2009.5192357

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A cloud of laser-cooled 40 Ca + is successfully trapped and manipulated under well control in our home-built linear ion trap, which is designed and constructed solely for studying quantum information processing. By exploring the variation of the ion cloud with respect to the trap parameters, we have optimized the trapping condition and obtained very good fluorescence spectra. We observe the dynamics of the ion cloud, and estimate the temperature of the ion cloud to be of the order of milli-Kelvin.
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