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对增益开关半导体激光器产生的有啁啾光脉冲经ＧＴ干涉仪的脉定压缩效应进行了理论和实验研究。ＧＴ干涉仪由相互平行的全反射镜和部分反射镜组成。干涉仪的反射率恒等于１，其色散曲线呈周期性变化。在一个周期内，色散有正有负。调节二镜间距，使其具有适当的色散特性，可用来压缩光脉冲。理论计算和实验结果均表明，压缩后光脉冲形状随ＧＴ干涉仪反射镜间距的变化而变化。在某种情况下，光脉冲呈分裂状。在适当的条件下，可得到很好的压缩效果。实验得到最窄光脉冲的脉宽为 ５．５ ｐｓ，压缩比为 ８．４。
Theoretical and experimental studies on the pulse compression effect of a chirped pulse generated by a gain switching semiconductor laser via a GT interferometer are carried out. The GT interferometer consists of a total reflection mirror and a partial reflection mirror that are parallel to each other. Interferometer reflectivity constant equal to 1, the dispersion curve showed periodic changes. In a cycle, the dispersion has positive and negative. Adjust the distance between the two mirrors so that they have appropriate dispersion characteristics that can be used to compress the light pulse. Theoretical calculations and experimental results show that the shape of the compressed light pulse changes with the variation of GT interferometer mirror spacing. In some cases, the light pulse is split. Under the right conditions, you can get a good compression effect. The pulse width of the narrowest light pulse was 5.5 ps and the compression ratio was 8.4.