非自治移相器Generator微波固体谐振腔中声子受受激发射的非线性动力学
Nonlinear Dynamics of the Phonon Stimulated Emission in Microwave Solid-State Resonator of the Nonautonomous Phaser Generator
摘要：
微波声子受激发射（SE）在非自治微波声量子发生器中进行了实验和数值研究，也称为微波声子激光器或相位器（见以前的工作arXiv：cond-mat/0303188 ; arXiv：cond-mat/0402640 ; arXiv：nlin.CG/0703050）。在各种电磁泵浦水平的实验中观察到SE的确定性混沌和规则过程的分支和长时间折射（不存在外部脉冲的反应）现象。在实际的物理实验和计算机模拟中，都观察到在泵浦能级增长时，共存的SE态的数目明显地减少。这证实了在相空间中的分支密度的分析估计。SE脉冲折射率的性质与其尖端分支密切相关，反映了非自治微波声子激光器中奇异吸引子的危机，即它们与SE态高次分支的不稳定周期分量的碰撞。
英文摘要：
The microwave phonon stimulated emission (SE) has been experimentally and numerically investigated in a nonautonomous microwave acoustic quantum generator, called also microwave phonon laser or phaser (see previous works arXiv:cond-mat/0303188 ; arXiv:cond-mat/0402640 ; arXiv:nlin.CG/0703050) Phenomena of branching and long-time refractority (absence of the reaction on the external pulses) for deterministic chaotic and regular processes of SE were observed in experiments with various levels of electromagnetic pumping. At the pumping level growth, the clearly depined increasing of the number of coexisting SE states has been observed both in real physical experiments and in computer simulations. This confirms the analytical estimations of the branching density in the phase space. The nature of the refractority of SE pulses is closely connected with the pointed branching and reflects the crises of strange attractors, i.e. their collisions with unstable periodic components of the higher branches of SE states in the nonautonomous microwave phonon laser.
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