This paper reveals that the group velocity of a weak laser probe field can be manipulated by controlling the intensity of the driving field applied to a near-degenerate closed three-level V system.
在近简并的封闭三能级V系统中，一束弱激光探测场的群速度可以通过控制一单色驱动场的强度实现慢光速到超光速的转换。
Photon echo in polarization beat spectroscopy is studied for a V-type three-level system.
利用相位共轭极化拍频光谱术对V型三能级系统中的光子回波进行了研究。
In this paper; a closed V-type three-level system is studied.
研究了封闭的V型三能级激光系统。
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