Wideband Polarization-Resolved Chaos With Time-Delay Signature Suppression in VCSELs Subject to Dual Chaotic Optical Injections
作者： Jian-Jun Chen , Ying-Ni Duan , Lin-Fu Li , Zhu-Qiang Zhong
DOI: 10.1109/ACCESS.2018.2878734
关键词: Wideband 、 Chaotic 、 Physics 、 Polarization (waves) 、 Autocorrelation 、 Optics 、 Optical polarization 、 Laser 、 Bandwidth (signal processing)
摘要: Both the polarization-resolved chaotic bandwidth enhancement and time-delay signature suppression have been numerically investigated based on a slave vertical-cavity surface-emitting laser (S-VCSEL) driven by dual optical injections (DCOIs) from two master VCSELs (M-VCSELs) under feedbacks. The of chaos generated in are evaluated quantitatively via effective autocorrelation function, respectively. results show that, contrast to S-VCSEL subject single injection, for equivalent injection conditions, DCOI configuration can simultaneously realize distinctly wider parameter spaces strength frequency detuning. By further exploring influences different parameters M-VCSELs chaos, it is found that DCOI, moderate strengths relatively larger detuning paths preferred obtain desired wideband with successful suppression.
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