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Two-section InGaAsP DBR-lasers at 1.55 mu;m wavelength with 31 GHz direct modulation bandwidth
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT. (Photonics)
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP. KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT. (Photonics)ORCID iD: 0000-0003-3056-4678
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1997 (English)In: Indium Phosphide and Related Materials, 1997., International Conference on, 1997, 665-668 p.Conference paper, Published paper (Refereed)
Abstract [en]

The small signal modulation response of two-section InGaAsP DBR-lasers at 1.55 mu;m wavelength was investigated. The response was fitted to a general transfer function and it was found that for almost all lasers the response could be described by a three pole model consisting of the laser response from the standard rate equations and an additional first order low pass roll-off. The lasers exhibited reduced damping and increased resonance frequency due to what we believe is detuned loading. This led to a maximum bandwidth of 30 GHz for lasers described by the three pole model. Some lasers exhibited an additional effect which we believe is cavity resonant enhancement of one of the modulation side-bands. This effect increased the maximum -3dB bandwidth to 31 GHz but could not be described by a three pole model

Place, publisher, year, edition, pages
1997. 665-668 p.
Keyword [en]
1.55 micron;31 GHz;InGaAsP;cavity resonance;damping;detuned loading;direct modulation bandwidth;low pass roll-off;rate equation;side-band;small signal response;three pole model;transfer function;two-section InGaAsP DBR laser;III-V semiconductors;distributed Bragg reflector lasers;gallium arsenide;indium compounds;optical modulation;semiconductor lasers;transfer functions;
National Category
Telecommunications Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-89294DOI: 10.1109/ICIPRM.1997.600265OAI: oai:DiVA.org:kth-89294DiVA: diva2:502996
Conference
International Conference on Indium Phosphide and Related Materials
Note
NR 20140805Available from: 2012-02-14 Created: 2012-02-14 Last updated: 2012-02-14Bibliographically approved

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Schatz, Richard

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