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Proceedings Paper

Thermal and optical properties of both ridge and buried structures laser including waveguide layer
Author(s): Joël Jacquet; Abdessamad Ou-Sair; Mickael Faugeron; Emeric Mercier; Jad Taki; Harmonie Sakala; Mathieu Jeanin; Thomas Molines
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Paper Abstract

Thermal and optical properties of Buried structures laser are simulated in the case where we include a waveguide layer beneath the Multi Quantum Well's. The role of this waveguide is twofold. On one hand It attracts the optical field on lower side of the active waveguide where the losses are low due to n doped side of the laser. On the other hand, we can improve the coupling coefficient to the fiber by increasing the divergence of the beam together with its waist increase. Finite element software is used to calculate thermal resistance of the structures. Beam Propagation method is use for optical modeling. We optimize active waveguide composition and thickness for various multi-quantum wells number. Optical modeling is used to check the single mode operation of the structure together with beam shape optimization according to the objectives. Waveguide parameters are optimized to reduce the thermal resistance of investigated structures. Trade of between thermal and optical properties is discussed.

Paper Details

Date Published: 28 February 2012
PDF: 9 pages
Proc. SPIE 8255, Physics and Simulation of Optoelectronic Devices XX, 825527 (28 February 2012); doi: 10.1117/12.909496
Show Author Affiliations
Joël Jacquet, Supélec (France)
Abdessamad Ou-Sair, Supélec (France)
Mickael Faugeron, Supélec (France)
Emeric Mercier, Supélec (France)
Jad Taki, Supélec (France)
Harmonie Sakala, Supélec (France)
Mathieu Jeanin, Supélec (France)
Thomas Molines, Supélec (France)

Published in SPIE Proceedings Vol. 8255:
Physics and Simulation of Optoelectronic Devices XX
Bernd Witzigmann; Marek Osinski; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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