量子干涉吸收光子开关

Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference Pub Date : 2001-05-11 DOI:10.1109/QELS.2001.961905

M. Yan, E. Rickey, Yifu Zhu

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引用次数: 1

摘要

只提供摘要形式。耦合激光可以在吸收介质中产生电磁感应透明(EIT)，使得弱探测激光在线中心的线性吸收被量子干涉抑制。量子干涉可以通过加入一个耦合到独立态的泵浦激光来修正，这将导致原子系统中三阶非线性的增强。泵浦激光器控制EIT中心的大非线性探头吸收，可用于实现Harris和Yamamoto提出的吸收光子开关。我们报道了在磁光阱中冷却和限制的/sup 87/Rb原子中增强三阶非线性吸收和吸收光子开关的实验研究。

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Absorptive photon switching by quantum interference

Summary form only given. A coupling laser can create electromagnetically induced transparency (EIT) in an absorbing medium such that linear absorption of a weak probe laser at the line center is suppressed by quantum interference. The quantum interference may be modified by adding a pump laser coupled to a separate state, which leads to enhanced third-order nonlinearities in the atomic system. Large nonlinear probe absorption at the EIT center is controlled by the pump laser and may be used to realize absorptive photon switching as proposed by Harris and Yamamoto. We report an experimental study of enhanced third-order nonlinear absorption and absorptive photon switching in /sup 87/Rb atoms cooled and confined in a magneto-optical trap.

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Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference

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