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Applied Physics Letters / Volume 92 / Issue 2 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 92, 021104 (2008); http://dx.doi.org/10.1063/1.2830998 (3 pages)

Self-sustained output power pulsations in InGaAs quantum dot ridge-waveguide lasers

S. Mokkapati1, H. H. Tan1, C. Jagadish1, and M. Buda2

1Department of Electronic Materials Engineering, Research School of Physical Sciences and Engineering, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
2National Institute of Materials Physics, Str. Atomistilor 105bis, P.O. Box MG-7, 077125 Magurele, Romania

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(Received 30 October 2007; accepted 13 December 2007; published online 14 January 2008)

Self-sustained pulsations in the output power of metal-organic chemical vapor deposition grown ridge-waveguide lasers with InGaAs quantum dot active region are reported. The characteristics of the output power pulsations (range, frequency, and modulation depth) are presented. The origin of the pulsations is explained in terms of the properties of the quantum dot active region.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

gallium arsenide, III-V semiconductors, indium compounds, MOCVD, quantum dot lasers, ridge waveguides, semiconductor quantum dots

PACS

  • 84.40.Az

    Waveguides, transmission lines, striplines

  • 42.55.Px

    Semiconductor lasers; laser diodes

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2830998

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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