Analysis of hybrid mode-locking of two-section quantum dot lasers operating at 1.5 μm

M.J.R. Heck, E.J. Salumbides, A. Renault, E.A.J.M. Bente, Y.S. Oei, M.K. Smit, P.J. Veldhoven, van, R. Nötzel, K.S.E. Eikema, W. Ubachs

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Abstract

For the first time a detailed study of hybrid mode-locking in two- section InAs/InP quantum dot Fabry-Pérot-type lasers is presented. The output pulses have a typical upchirp of approximately 8 ps/nm, leading to very elongated pulses. The mechanism leading to this typical pulse shape and the phase noise is investigated by detailed radio-frequency and optical spectral studies as well as time-domain studies. The pulse shaping mechanism in these lasers is found to be fundamentally different than the mechanism observed in conventional mode-locked laser diodes, based on quantum well gain or bulk material. ©2009 Optical Society of America.
Original languageEnglish
Pages (from-to)18063-18075
Number of pages14
JournalOptics Express
Volume17
Issue number20
DOIs
Publication statusPublished - 2009

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    Heck, M. J. R., Salumbides, E. J., Renault, A., Bente, E. A. J. M., Oei, Y. S., Smit, M. K., Veldhoven, van, P. J., Nötzel, R., Eikema, K. S. E., & Ubachs, W. (2009). Analysis of hybrid mode-locking of two-section quantum dot lasers operating at 1.5 μm. Optics Express, 17(20), 18063-18075. https://doi.org/10.1364/OE.17.018063