We call this phenomenon quantum beat in resonance fluorescence.

这种现象称为共振荧光中的量子拍。

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The behavior of the quantum beat are analysed and its possible applications are discussed.

分析了这种量子拍频效应的产生条件和特点。讨论了可能的应用。

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It is shown that quantum beat effect exists in the time-resolved degenerate four-wave mixing.

指出在这种简并四波混频中同样可能存在量子拍频效应。

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In addition, since a single electron travelling through the device emits light not once (as in most other lasers), but many times, quantum cascade lasers are powerful: Dr Capasso's group has recently shown that they beat conventional semiconductor lasers by a factor of 20.

ECONOMIST: Lasers