Interplay of Current Noise and Delayed Optical Feedback on the Dynamics of Semiconductor Lasers

被引：12

作者：

Soriano, Miguel C. ^{[1
,2
]}

Berkvens, Thomas ^{[3
,4
]}

Van der Sande, Guy ^{[3
]}

Verschaffelt, Guy ^{[3
]}

Danckaert, Jan ^{[3
]}

Fischer, Ingo ^{[1
,2
,4
]}

机构：

[1] Consejo Super Invest Cient, Inst Fis Interdisciplinar & Sistemas Complejos, E-07122 Palma De Mallorca, Spain

[2] Univ Illes Balears, E-07122 Palma De Mallorca, Spain

[3] Vrije Univ Brussel, Dept Appl Phys & Photon, B-1050 Brussels, Belgium

[4] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2011年 / 47卷 / 03期

关键词：

Current noise; dynamics; optical feedback; semiconductor lasers; SURFACE-EMITTING LASERS; LOW-FREQUENCY FLUCTUATIONS; COHERENCE COLLAPSE; SPECTRAL CHARACTERISTICS; CHAOTIC ITINERANCY; MODE; INJECTION; INSTABILITIES; SUBJECT;

D O I：

10.1109/JQE.2010.2090511

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We study the influence of low-frequency current noise on a single-mode semiconductor laser subject to external optical feedback. We experimentally show that the addition of current noise modifies the power spectrum of the chaotic intensity fluctuations of the laser subject to feedback. From the power spectrum measurements, we can deduce interactions among the feedback-induced dynamics and the current noise. Numerical modeling based on Lang-Kobayashi rate equations provides additional insight, as the phase of the electric field can be analyzed. We find that the noise affects the coherence of the chaotic oscillations, thereby being able to alter their characteristics significantly as long as this coherence exists.

引用

页码：368 / 374

页数：7

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