Characterization of 1550 nm Fabry-Perot laser structures for application as mode-locked pulse sources

Wei Li; Risto Ronkko; M. Peltola; A. Rydefalk; Markus Pessa; H. Scholl; S. Garidel; Kevin A. Williams; P. Moreno; H. Lamela; M. Cavallari

doi:10.1117/12.543908

1 September 2004 Characterization of 1550 nm Fabry-Perot laser structures for application as mode-locked pulse sources

Wei Li, Risto Ronkko, M. Peltola, A. Rydefalk, Markus Pessa, H. Scholl, S. Garidel, Kevin A. Williams, P. Moreno, H. Lamela, M. Cavallari

Author Affiliations +

Proceedings Volume 5452, Semiconductor Lasers and Laser Dynamics; (2004) https://doi.org/10.1117/12.543908
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We have investigated the characteristics of 1550 nm GaInAsP/InP multiple quantum well (MQW) structures to be used as the gain medium in monolithic mode-locked lasers. For this purpose, a series of laser structures with 3 QWs, 5 QWs and 8 QWs were grown and processed into ridge waveguide lasers. The impact of the quantum well number was studied by analyzing the changes in threshold current, external quantum efficiencies, gain-spectra and linewidth enhancement factors, which are valuable in design and modeling of the mode-locked lasers. Monolithic 20 GHz mode-locked lasers were fabricated. Pulse trains with a good extinction ratio of 14.8 dB and less than 14 ps in width were demonstrated, and an average power of 1 mW could be coupled into an optical fiber.

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Wei Li, Risto Ronkko, M. Peltola, A. Rydefalk, Markus Pessa, H. Scholl, S. Garidel, Kevin A. Williams, P. Moreno, H. Lamela, and M. Cavallari "Characterization of 1550 nm Fabry-Perot laser structures for application as mode-locked pulse sources", Proc. SPIE 5452, Semiconductor Lasers and Laser Dynamics, (1 September 2004); https://doi.org/10.1117/12.543908

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