Complexity-enhanced polarization-resolved chaos in a ring network of mutually coupled vertical-cavity surface-emitting lasers with multiple delays

Zhang Hao; Xiang Shuiying; Zhang Yahui; Guo Xingxing

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Complexity-enhanced polarization-resolved chaos in a ring network of mutually coupled vertical-cavity surface-emitting lasers with multiple delays

机译：复杂性增强的偏振分辨的混沌，其具有多个延迟的相互耦合的垂直腔表面发射激光器的环网中

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The complexity properties of polarization-resolved chaotic signals generated in a ring network of vertical-cavity surface-emitting lasers (VCSELs) mutually coupled with multiple delays are investigated quantitatively by using the proposed mean permutation entropy (MPE). For direct comparison, the complexity of polarization-resolved chaos in a ring network of VCSELs coupled with single delay is also considered. The effects of injection current, coupling strength, and frequency detuning on the chaotic complexity for both a single-delay ring network (SDRN) and a multiple-delay ring network (MDRN) are evaluated quantitatively and compared by the MPE. The effects of internal parameters of VCSELs on the complexity are also discussed, and the correlation properties between different polarization-resolved modes are also analyzed. It is shown that the complexity of chaos in two polarization-resolved modes of VCSELs in MDRN is much higher than those in SDRN in a much wider parameter region. Besides, wider range of injection current, coupling strength, and frequency detuning can be tuned to achieve the enhancement of chaotic complexity in MDRN. These results provide an effective quantifier, the proposed MPE, to evaluate quantitatively the complexity of chaos generated in systems with multiple delays, and the multichannel complexity-enhanced polarization-resolved chaos generated in MDRN of mutually coupled VCSELs is extremely meaningful for the chaos-based random number generators. (C) 2017 Optical Society of America

机译：通过使用所提出的平均置换熵（MPE）定量地研究了与多个延迟相互耦合的垂直腔表面发射激光器（VCSEL）的环网中产生的偏振分辨混沌信号的复杂性特性。为了直接比较，还考虑了与单延迟耦合的VCSEL的环网中的偏振分辨混沌的复杂性。注射电流，耦合强度和频率对单延迟环网（SDRN）和多延迟环网（MDRN）进行混沌复杂性的影响，并通过MPE进行比较。还讨论了VCSELs内部参数对复杂性的影响，并且还分析了不同偏振分辨模式之间的相关性。结果表明，在MDRN中，MDRN中的两个偏振分辨模式的混沌复杂性远高于更广泛的参数区域中的SDRN中的偏振模式。此外，还可以调整更广泛的喷射电流，耦合强度和频率静脉，以实现MDRN中混沌复杂性的增强。这些结果提供了有效的量化，所提出的MPE，以定量地评估具有多个延迟的系统中产生的混沌的复杂性，并且在相互耦合的VCSELS的MDRN中产生的多通道复杂性增强的偏振分辨混乱对基于混沌非常有意义随机数发生器。（c）2017年光学学会

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《Applied optics》 |2017年第24期|共7页
作者
Zhang Hao; Xiang Shuiying; Zhang Yahui; Guo Xingxing;
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Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Shaanxi Peoples R China;

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Complexity-enhanced polarization-resolved chaos in a ring network of mutually coupled vertical-cavity surface-emitting lasers with multiple delays

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