High-power and low-noise mode-locking operation of Al-quaternary laser diodes

Stolarz, P. M., Pusino, V. , Akbar, J., Mezősi, G., Hou, L. , Coleman, A. C., Marsh, J. H. , Kelly, A. E. and Sorel, M. (2015) High-power and low-noise mode-locking operation of Al-quaternary laser diodes. IEEE Journal of Selected Topics in Quantum Electronics, 21(6), 1100907. (doi: 10.1109/JSTQE.2015.2415196)

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Publisher's URL: http://dx.doi.org/10.1109/JSTQE.2015.2415196


We report on the design and experimental evaluation of AlGaInAs/InP multi-quantum-well epi-structures for mode-locked emission at 1.5-μm. We show that mode-locked lasers fabricated on an optimized 3 quantum-well active region with a low optical confinement factor deliver pulses with increased peak power and stability over a much wider biasing range than those fabricated using a standard 5 quantum well design. Sonogram measurements indicate that sub-ps symmetrical pulses with a substantially reduced linear blue chirp are generated up to nearly three times the laser current threshold.

Item Type:Articles
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Glasgow Author(s) Enlighten ID:Sorel, Professor Marc and Pusino, Dr Vincenzo and Marsh, Professor John and Hou, Dr Lianping and Stolarz, Mr Piotr and Akbar, Mr Jehan and Kelly, Professor Anthony
Authors: Stolarz, P. M., Pusino, V., Akbar, J., Mezősi, G., Hou, L., Coleman, A. C., Marsh, J. H., Kelly, A. E., and Sorel, M.
College/School:College of Science and Engineering
College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:IEEE Journal of Selected Topics in Quantum Electronics
Publisher:Institute of Electrical and Electronics Engineers
ISSN (Online):1558-4542
Copyright Holders:Copyright © 2015 IEEE
First Published:First published in IEEE Journal of Selected Topics in Quantum Electronics 21(6):1100907
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
453111High power, high frequency mode-locked semiconductor lasersAnn BryceEngineering & Physical Sciences Research Council (EPSRC)EP/E065112/1ENG - ENGINEERING ELECTRONICS & NANO ENG