Synchronization of polarization chaos in mutually coupled free-running VCSELs | Zendy

Ziruo Wang | Zendy; Pu Li | Zendy; Zhiwei Jia | Zendy; Wenjie Wang | Zendy; Bingjie Xu | Zendy; K.A. Shore | Zendy; Yuncai Wang | Zendy

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Synchronization of polarization chaos in mutually coupled free-running VCSELs

Author(s) -

Ziruo Wang,

Pu Li,

Zhiwei Jia,

Wenjie Wang,

Bingjie Xu,

K.A. Shore,

Yuncai Wang

Publication year - 2021

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.425674

Subject(s) - physics , optics , laser linewidth , optical chaos , synchronization (alternating current) , semiconductor laser theory , polarization (electrochemistry) , injection locking , birefringence , coupling coefficient of resonators , laser , computer science , telecommunications , channel (broadcasting) , chemistry , resonator

We numerically demonstrate and analyze polarization chaos synchronization between two free-running vertical cavity surface emitting semiconductor lasers (VCSELs) in the mutual coupling configuration under two scenarios: parallel injection and orthogonal injection. Specifically, we investigate the effect of external parameters (the bias current, frequency detuning and coupling coefficient) and internal parameters (the linewidth enhancement factor, spin-flip relaxation rate, field decay rate, carrier decay rate, birefringence and dichroism) on the synchronization quality. Finally simulation results confirm that in the parallel injection, chaotic synchronization can reach a cross-correlation coefficient of 0.99 within a range of parameter mismatch ±12%. On the other hand, the chaos synchronization for orthogonal injection only reaches a cross-correlation coefficient of 0.95 within a range of parameter mismatch ±3%.

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