Optical fiber communication 92021/2/19 C.相位平衡条件激光器必须工作在谐振腔的工作模式 光腔的驻浪条件在腔内形成驻浪 之Z之Z 总结 lasers 1.Optical gain feedback 2. Spontaneous and stimulated emission 3. Threshold, discrete spectrum , narrow radiation pattern1-9 Copyright Wang Yan 2021/2/19 Optical fiber communications C. 相位平衡条件:激光器必须工作在谐振腔的工作模式 上。 光腔的驻波条件:在腔内形成驻波。 n L c f q q n L q L q q q 2 2 ' 2 L ' 2 = = = =   总结:lasers 1.Optical gain + feedback 2. Spontaneous and stimulated emission 3. Threshold, discrete spectrum ,narrow radiation pattern