Effect of Optical Feedback on the Wavelength Tuning in DBR Lasers

被引：5

作者：

Happach, Magnus ^{[1
,2
]}

de Felipe, David ^{[1
]}

Friedhoff, Victor Nicolai ^{[3
]}

Irmscher, Gelani ^{[1
]}

Kresse, Martin ^{[1
]}

Kleinert, Moritz ^{[1
]}

Zawadzki, Crispin ^{[1
]}

Brinker, Walter ^{[1
]}

Mohrle, Martin ^{[1
]}

Keil, Norbert ^{[1
]}

Hofmann, Werner ^{[4
]}

Schell, Martin ^{[1
,4
]}

机构：

[1] Fraunhofer Heinrich Hertz Inst, D-10587 Berlin, Germany

[2] Sonova AG, CH-8712 Stafa, Switzerland

[3] Humboldt Univ, D-10117 Berlin, Germany

[4] Tech Univ Berlin, Inst Solid State Phys, D-10623 Berlin, Germany

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2020年 / 38卷 / 17期

关键词：

Optical feedback; Laser modes; Laser feedback; Reflectivity; Laser tuning; Cavity resonators; Continuous Tuning; DBR Laser; external Cavity; Optical Feedback Interferometry; Optical Feedback; Tunable Laser; SEMICONDUCTOR-LASERS; STABILIZATION;

D O I：

10.1109/JLT.2020.2996131

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：

Optical feedback has an impact on the tunability of lasers. We created a model of a tunable distributed Bragg reflector (DBR) laser describing the effect of optical feedback from a constant reflector distance on the wavelength tuning. Theoretical and experimental results are in good agreement. A further discussion of the model sheds light on design rules to reduce the effect of optical feedback on the tuning behavior. We introduced a new parameter called mode loss difference (MLD) as a metric for the feedback tolerance of the tuning behavior. A large MLD indicates higher tolerance of the laser to cavity length variations.

引用

页码：4824 / 4833

页数：10

共 19 条

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