延迟耦合激光器中的群体同步和群体感应
Crowd synchrony and quorum sensing in delay-coupled lasers
摘要：
当大量的动态元素通过公共信息池相互通信时，群体同步和群体感应就出现了。先前在不同领域，包括化学、生物学和土木工程中的证据表明，当耦合是瞬时的并且耦合元素的数量足够大时，这种类型的耦合会导致同步。在这里，我们考虑的情况下，系统组件和耦合池之间的信息传输不是瞬时的。为此，我们建立了一个系统的半导体激光器光学耦合到一个中心激光器的延迟。我们的结果表明，即使激光器是不相同的，由于其不同的光频率，零滞后同步出现。通过改变系统参数，我们可以在两种不同类型的同步转换之间切换。的依赖关系的过渡相对于延迟耦合参数进行了研究。
英文摘要：
Crowd synchrony and quorum sensing arise when a large number of dynamical elements communicate with each other via a common information pool. Previous evidence in different fields, including chemistry, biology and civil engineering, has shown that this type of coupling leads to synchronization, when coupling is instantaneous and the number of coupled elements is large enough. Here we consider a situation in which the transmission of information between the system components and the coupling pool is not instantaneous. To that end, we model a system of semiconductor lasers optically coupled to a central laser with a delay. Our results show that, even though the lasers are non-identical due to their distinct optical frequencies, zero-lag synchronization arises. By changing a system parameter, we can switch between two different types of synchronization transition. The dependence of the transition with respect to the delay-coupling parameters is studied.
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