CAJ | 학술논문

为了获得位相敏感的无粒子数反转探测增益,研究了一个三能级闭合环路子系统控制的四能级原子系统.在三光子共振情况下,获得了大的稳态无反转探测增益.由于量子干涉效应,探测增益对三能级闭合环路子系统的相对位相是敏感的.三能级闭合环路子系统中的场强也是影响探测场增益特性的重要参数.
위료획득위상민감적무입자수반전탐측증익,연구료일개삼능급폐합배로자계통공제적사능급원자계통.재삼광자공진정황하,획득료대적은태무반전탐측증익.유우양자간섭효응,탐측증익대삼능급폐합배로자계통적상대위상시민감적.삼능급폐합배로자계통중적장강야시영향탐측장증익특성적중요삼수.
@@@@We study a four-level atomic system controlled by a three-level closed loop subsystem in order to obtain the phase-sensitive probe gain without population inversion. In the case of three-photon resonance, a large steady-state inversionless probe gain can be obtained. Due to the quantum interference effect, the inversionless gain is sensitive to the relative phase of the three-level closed loop subsystem. Further, the field intensity of the three-level closed loop subsystem is also an important parameter that can affect gain characteristic of the probe field.