Optical and Quantum Electronics

, Volume 40, Issue 14–15, pp 1181–1186

Static and dynamic performance optimisation of a 1.3 μm GaInNAs ridge waveguide laser

  • J. J. Lim
  • R. MacKenzie
  • S. Sujecki
  • M. Dumitrescu
  • S. M. Wang
  • M. Sadeghi
  • G. Adolfsson
  • J. Gustavsson
  • A. Larsson
  • E. C. Larkins
Article

Abstract

In this work, we perform a multi-parameter design study to improve the performance of an uncooled directly modulated 1.3 μm GaInNAs ridge waveguide laser for high speed operation especially at high temperature. The static and dynamic performance of the improved design is analyzed using an accurate in-house 2D electro-opto-thermal laser simulator. The improved structure is shown to have a lower threshold current, higher thermal roll-over limit and higher modulation bandwidth—especially under high temperature operation. The improved structure also has a lower vertical beam divergence compared to a reference structure with a conventional design.

Keywords

Optimisation GaInNAs Dilute nitride Laser diode Small-signalanalysis 

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Copyright information

© Springer Science+Business Media, LLC. 2009

Authors and Affiliations

  • J. J. Lim
    • 1
  • R. MacKenzie
    • 1
  • S. Sujecki
    • 1
  • M. Dumitrescu
    • 2
  • S. M. Wang
    • 3
  • M. Sadeghi
    • 3
  • G. Adolfsson
    • 3
  • J. Gustavsson
    • 3
  • A. Larsson
    • 3
  • E. C. Larkins
    • 1
  1. 1.The University of NottinghamNottinghamUK
  2. 2.ORC, Tampere University of TechnologyTampereFinland
  3. 3.Photonics LaboratoryChalmers University of TechnologyGöteborgSweden

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