Laser Cooling in an Optical Shaker

by: Sh, Yehiam Prior

Physical Review Letters, Vol. 94, No. 15. (2005)

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Abstract

We propose a novel generic approach to laser cooling based on the nonresonant interactions of atoms and molecules with optical standing waves experiencing sudden phase jumps. The technique, termed "optical shaking," combines the elements of stochastic cooling and Sisyphus cooling. An optical signal that measures the instantaneous force applied by the standing wave on the ensemble of particles is used as feedback to determine the phase jumps. This guarantees a drift towards lower energies and higher phase-space density without the loss of particles typical of evaporative cooling.

@article{citeulike:1074079, abstract = {We propose a novel generic approach to laser cooling based on the nonresonant interactions of atoms and molecules with optical standing waves experiencing sudden phase jumps. The technique, termed \"optical shaking,\" combines the elements of stochastic cooling and Sisyphus cooling. An optical signal that measures the instantaneous force applied by the standing wave on the ensemble of particles is used as feedback to determine the phase jumps. This guarantees a drift towards lower energies and higher phase-space density without the loss of particles typical of evaporative cooling.}, author = {Sh and Prior, Yehiam }, citeulike-article-id = {1074079}, doi = {http://dx.doi.org/10.1103/PhysRevLett.94.153002}, journal = {Physical Review Letters}, keywords = {cavity, cooling, qed}, number = {15}, posted-at = {2007-01-29 09:49:59}, priority = {2}, publisher = {APS}, title = {Laser Cooling in an Optical Shaker}, url = {http://dx.doi.org/10.1103/PhysRevLett.94.153002}, volume = {94}, year = {2005} }

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TY - JOUR ID - citeulike:1074079 L3 - citeulike-article-id:1074079 TI - Laser Cooling in an Optical Shaker JF - Physical Review Letters VL - 94 IS - 15 PB - APS N2 - We propose a novel generic approach to laser cooling based on the nonresonant interactions of atoms and molecules with optical standing waves experiencing sudden phase jumps. The technique, termed "optical shaking," combines the elements of stochastic cooling and Sisyphus cooling. An optical signal that measures the instantaneous force applied by the standing wave on the ensemble of particles is used as feedback to determine the phase jumps. This guarantees a drift towards lower energies and higher phase-space density without the loss of particles typical of evaporative cooling. KW - cavity KW - cooling KW - qed AU - Sh AU - Prior, Yehiam PY - 2005/// UR - http://dx.doi.org/10.1103/PhysRevLett.94.153002 ER -

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