Optimization of Doppler Cooling of a Single 40Ca+ Ion

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概要

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• Doppler cooling of a single 40Ca+ ion in a spherical Paul trap is systematically investigated. Temperatures comparable to the Doppler limit are achieved by optimizing the cooling parameters. These parameters include the laser detunings, the intensities of the cooling beams, and the magnitude of the applied magnetic fields. The temperature of the Doppler-cooled ion is estimated to be 570 μK from the asymmetry of the vibrational sidebands on the quadrupole transition, which is close to the Doppler limit of 540 μK.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2007-04-15

著者

• Toyoda Kenji

  Graduate School Of Engineering Science Osaka University

• Urabe Shinji

  Graduate School Of Engineering Science Osaka University

• Sawamura Hideyuki

  Graduate School Of Engineering Science Osaka University

関連論文

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• A Compact 209-nm Deep UV cw Light Source for Spectroscopy Using Frequency Doubling of a Diode Laser
• Stabilization of a 729 nm Laser Diode for High-Resolution Spectroscopy of Calcium Ions
• Realization of Fast Rabi Oscillations in Radio Frequency Magnetic Resonance of Ground Zeeman States of 40Ca+
• Optimization of Doppler Cooling of a Single 40Ca+ Ion
• Design and Characteristic Measurement of Miniature Three-Segment Linear Paul Trap
• Frequency Stabilization of Diode Laser Using Dichroic-Atomic-Vapor Laser Lock Signals and Thin Rb Vapor Cell

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