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Cavity-Cooling Technique Cools Single Atoms

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At Max Planck Institut für Quantenoptik in Garching, Germany, researchers have developed an optical means of cooling single atoms that is at least five times faster than current techniques. Moreover, the approach, which they reported in the March 4 issue of Nature, might enable the cooling of an atom with a stored qubit without disturbing the quantum information, making it suitable for use in novel experiments in quantum information technology. The technique employs single rubidium-85 atoms in a 120-µm-long high-finesse resonator that is excited by a weak, near-resonant 780.2-nm probe and...Read full article

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    Published: April 2004
    Glossary
    resonator
    A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or stimulus is applied at a specific frequency, causing the system to oscillate with increased amplitude. Resonators are found in various fields and can take different forms depending on the type of waves involved, such as mechanical waves, acoustic waves, electromagnetic waves, or optical waves. Key points about resonators: Resonance: Resonance is a condition where a...
    As We Go To PressBreaking NewsMax Planck Institut füPresstime Bulletinquantum information technologyr Quantenoptikresonatorsingle atoms

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