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Substrate orientation and alloy composition effects in n-type SiGe quantum cascade structures

Valavanis, A., Ikonic, Z., Lever, L., Evans, C.A. and Kelsall, R.W. (2008) Substrate orientation and alloy composition effects in n-type SiGe quantum cascade structures. In: 2008 5th IEEE International Conference on Group IV Photonics. Group IV Photonics, 2008 5th IEEE International Conference on, 17-19 Sept. 2008, Sorrento, Italy. IEEE , pp. 251-252. ISBN 978-1-4244-1769-8

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Abstract

We show using a theoretical self-consistent effective mass/rate equation approach that n-type SiGe-based quantum cascade lasers are potentially made viable by either using the (111) orientation or a Ge-rich substrate.

Item Type: Proceedings Paper
Copyright, Publisher and Additional Information: © Copyright 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Ge-Si alloys, optical materials, quantum cascade lasers, semiconductor materialsSiGe, alloy composition effects, n-type quantum cascade lasers, self-consistent effective mass/rate equation, substrate orientation
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Electronic & Electrical Engineering (Leeds) > Institute of Microwaves and Photonics (Leeds)
Depositing User: Dr Alexander Valavanis
Date Deposited: 27 Jul 2009 10:06
Last Modified: 08 Feb 2013 17:06
Published Version: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumb...
Status: Published
Publisher: IEEE
Refereed: Yes
Identification Number: 10.1109/GROUP4.2008.4638162
URI: http://eprints.whiterose.ac.uk/id/eprint/9027

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