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Recent Advances in Electrical & Electronic Engineering

Editor-in-Chief

ISSN (Print): 2352-0965
ISSN (Online): 2352-0973

Research Article

Synchronization of Quantum Cascade Lasers with Negative Optoelectronic Feedback

Author(s): Hussein Waried*

Volume 11, Issue 2, 2018

Page: [167 - 175] Pages: 9

DOI: 10.2174/2352096510666171108141701

Price: $65

Abstract

Background: In this paper, synchronization is theoretically investigated in two quantum cascade semiconductor lasers coupled with delayed negative optoelectronic feedback. Synchronization characteristics and the influence of parameter mismatches on synchronization performances are investigated.

Results: The results indicate that the complete synchronization can be realized under suitable system parameters. Through numerically studying synchronization quality and the influence of parameter mismatches on synchronization, the delay time of the transmitter, the delay time of the receiver, transmission time, coupling strength, and gain stages number have significant impact on the synchronization quality.

Conclusion: Calculations indicate that correlation coefficient can be enhanced by high coupling strength, small stages number and similar delay times. The synchronization quality is sensitive to stages number value. In comparison with coupling strength, the mismatch in delay times has significant impact on the synchronization quality.

Keywords: Negative optoelectronic feedback, quantum cascade lasers, rate equation model, receiver laser, synchronization, transmitter laser.

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