Stripe-array diode-laser in an off-axis external cavity: Theory and experiment

被引：44

作者：

Jechow, Andreas ^{[1
]}

Lichtner, Mark ^{[2
]}

Menzel, Ralf ^{[1
]}

Radziunas, Mindaugas ^{[2
]}

Skoczowsky, Danilo ^{[1
]}

Vladimirov, Andrei G. ^{[2
]}

机构：

[1] Univ Potsdam, Inst Phys & Astron, Chair Photon, D-14476 Potsdam, Germany

[2] Weierstrass Inst Appl Anal & Stochast, Laser Dynam Grp, D-10117 Berlin, Germany

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 22期

关键词：

INJECTION-LOCKING; HIGH-POWER; BROAD; EFFICIENCY; EMISSION; BEAM;

D O I：

10.1364/OE.17.019599

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Stripe-array diode lasers naturally operate in an anti-phase supermode. This produces a sharp double lobe far field at angles +/-alpha depending on the period of the array. In this paper a 40 emitter gain guided stripe-array laterally coupled by off-axis filtered feedback is investigated experimentally and numerically. We predict theoretically and confirm experimentally that at doubled feedback angle 2 alpha a stable higher order supermode exists with twice the number of emitters per array period. The theoretical model is based on time domain traveling wave equations for optical fields coupled to the carrier density equation taking into account diffusion of carriers. Feedback from the external reflector is modeled using Fresnel integration. (C) 2009 Optical Society of America

引用

页码：19599 / 19604

页数：6

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