Ultralong trapping of light using double spin coherence gratings - Quantum PhysicsReport as inadecuate




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Abstract: Ultralong trapping of light has been observed in an optically densethree-level solid medium interacting with a pair of counterpropagating couplingfields. Unlike the light trapping based on standing-wave gratings excited bythe same frequency pair of counterpropagating light fields M. Bajcsy et al.,Nature 426, 638 2003, the present method uses resonant Raman opticalfield-excited spin coherence gratings. The observed light trapping time is twoorders of magnitude longer than the expected value of the spin dephasing time,where the extended storage time has potential for quantum informationprocessing based on nonlinear optics.



Author: B.S. Ham, J. Hahn

Source: https://arxiv.org/







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