Injection-locking chaos synchronization and communication in closed-loop semiconductor lasers subject to phase-conjugate feedback | Zendy

Ning Jiang | Zendy; Anke Zhao | Zendy; Shiqin Liu | Zendy; Yiqun Zhang | Zendy; Jiafa Peng | Zendy; Kun Qiu | Zendy

Open Access

Injection-locking chaos synchronization and communication in closed-loop semiconductor lasers subject to phase-conjugate feedback

Author(s) -

Ning Jiang,

Anke Zhao,

Shiqin Liu,

Yiqun Zhang,

Jiafa Peng,

Kun Qiu

Publication year - 2020

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.389028

Subject(s) - synchronization (alternating current) , injection locking , semiconductor laser theory , chaos (operating system) , optics , physics , phase locking , synchronization of chaos , phase (matter) , control theory (sociology) , laser , computer science , telecommunications , quantum mechanics , control (management) , channel (broadcasting) , computer security , artificial intelligence

The properties of injection-locking chaos synchronization and communication in closed-loop external-cavity semiconductor lasers (ECSL) subject to phase-conjugate feedback (PCF) are investigated systematically. We theoretically analyze the general conditions for the injection-locking, and numerically investigate the properties of injection-locking chaos synchronization in the phase and intensity domains, the influences of frequency detuning and intrinsic parameter mismatch on the injection-locking chaos synchronization, as well as the performance of injection-locking chaos synchronization-based communication in closed-loop PCF-ECSL systems. The numerical results demonstrate that with respect to the conventional optical feedback (COF) scenario, the injection-locking chaos synchronization in a PCF-ECSLs configuration shows a significantly wider high-quality synchronization region and excellent feasibility, and the performance of chaos communication can also be enhanced.

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