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Modulation response of V-groove quantum-wire lasers
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
2005 (English)In: IEEE Journal of Quantum Electronics, ISSN 0018-9197, E-ISSN 1558-1713, Vol. 41, no 6, 842-847 p.Article in journal (Refereed) Published
Abstract [en]

We analyze the modulation speed of an InGaAs-InP quantum-wire laser of a V-groove-shaped structure. The bandwidth is affected by the optical confinement Gamma, exhibiting a maximum at Gamma = 0.016. The maximum bandwidth for the intrinsic device is 20 GHz as a result of a calculation based on the experimentally obtained cross section of the device and including the nonparabolicity of the conduction and valence bands. We discuss the reduction of the bandwidth of the device itself by summarily considering the influence of the roll-off time and the cavity length as well as the nonlinear gain suppression.

Place, publisher, year, edition, pages
2005. Vol. 41, no 6, 842-847 p.
Keyword [en]
InP, modulation speed, quantum-wire laser (QWR), V-groove
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-38238DOI: 10.1109/JQE.2005.846690ISI: 000229356600014Scopus ID: 2-s2.0-20544464453OAI: oai:DiVA.org:kth-38238DiVA: diva2:436370
Note
QC 20110823Available from: 2011-08-23 Created: 2011-08-23 Last updated: 2017-12-08Bibliographically approved

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