Transient two-wave coupling gain versus delay time between the pump beam and the probe beam in GaAs has been measured, and the properties of various processes in two-wave coupling are analyzed.

• 测量了瞬态二波耦合增益随泵浦光与探测光相对延迟改变而变化的曲线,并分析了瞬态二波耦合中各种过程的特性。