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Line narrowing and hole burning within the homogeneous linewidth: a new wave-mixing effect in two-level systems

机译:在均匀线宽内的线变窄和烧孔:两级系统中的新型混波效果

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摘要

The interaction of strong low-area pulses with two-level systems shows absorption line narrowing and hole burning within the homogeneous linewidth as a result of nonlinear wave mixing. The wave mixing results from the two-level electronic saturation nonlinearity and occurs, depending on the sign of the pulse area, as a strong absorption enhancement or gain at the transition frequency of the two-level system for resonant excitation.
机译:强低区域脉冲与两级系统的相互作用表明,由于非线性波混频,吸收线变窄并且空穴在均匀线宽内燃烧。混波是由两级电子饱和非线性引起的,并根据脉冲区域的符号而出现,在两级系统的共振激发跃迁频率处,作为强吸收增强或增益。

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