封闭腔和开放腔中多模态有序和无序激光器的一般phase-diagram
General phase-diagram of multimodal ordered and disordered lasers in closed and open cavities
摘要：
我们提出了一个统一的方法，包括一个变量的结构紊乱的多模激光腔的理论。研究了变非线性随机介质中波动的一般平均场论。相图的光功率，无序度和非线性度，封闭和开放腔方案之间的调谐方面的报告。在无限多模式的热力学极限的理论预测四个不同的制度：一个连续波的行为，低功率，一个标准的锁模激光制度，高功率和弱无序，随机激光高泵浦功率和大的无序和一个中间制度的相位锁定发生在激光阈值以下的无序的存在。
英文摘要：
We present a unified approach to the theory of multimodal laser cavities including a variable amount of structural disorder. A general mean-field theory is studied for waves in media with variable non-linearity and randomness. Phase diagrams are reported in terms of optical power, degree of disorder and degree of non-linearity, tuning between closed and open cavity scenario's. In the thermodynamic limit of infinitely many modes the theory predicts four distinct regimes: a continuous wave behavior for low power, a standard mode-locking laser regime for high power and weak disorder, a random laser for high pumped power and large disorder and an intermediate regime of phase locking occurring in presence of disorder below the lasing threshold.
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