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The spectral linewidth narrowing is due to the common effect of squeezing and the radiation reservoir of the photonic band gap.
由于腔场压缩的出现与光子晶体带隙的共同作用，腔场发射谱的线宽变窄。
This type of devices are required to have high-speed, high quantum efficiency and ultra-narrow spectral linewidth simultaneously.
这类器件需要同时具备高速、高量子效率、超窄光谱响应线宽的性能。
By using a laser cavity which consists of only two gratings and a resonant reflector, a N2-laser-pumped dye laser with a spectral linewidth of 1.3 GHz has been made.
利用仅由两个光栅和一个共振反射器组成的激光腔，就能得到线宽为1.3千兆赫的由N_2激光泵浦的染料激光。
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