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Effect of atomic coherence on "temporal cloaking" in atomic vapors



Runbing Li, Lu Deng, Edward W. Hagley, Joshua C. Bienfang, M G. Payne, Mo-Lin Ge


We discuss a different scheme to achieve temporal cloaking in warm atomic vapors. Instead of creating a temporal-spatial window in a patched broadband short optical pulse using static differential dispersion of an optical fiber, we create a temporal-spatial window by directly controlling the propagation velocities of a pair of correlated narrow-band long optical pulses. This method eliminates the phase noise introduced by the broadband short-pulse swapping technique. When the event medium has a fast relaxation rate this leads to a temporal-cloaking scheme similar to that reported in fibers. When the event-medium relaxation cannot be neglected, we discuss a matched-mode scheme that can eliminate the phase change caused by the event field. The advantages of the dynamically and actively controlled atomic system over previously reported work are discussed.
Physical Review A


temporal cloaking, atomic coherence, quantum interference


Li, R. , Deng, L. , Hagley, E. , Bienfang, J. , Payne, M. and Ge, M. (2013), Effect of atomic coherence on "temporal cloaking" in atomic vapors, Physical Review A, [online], (Accessed May 27, 2024)


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Created February 27, 2013, Updated November 10, 2018