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Wavelength switching performance of single- and dual-contact two-mode semiconductor lasers with current modulation

Nicola Brandonisio, Patrycja Heinricht, Simon Osborne, Andreas Amann and Stephen O'Brien

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The wavelength switching performance of single- and dual-contact two-mode semiconductor lasers is studied. These devices are characterized experimentally in terms of switching time, frequency chirp, contrast ratio and current modulation amplitude. Models based on multimode rate equations are used for reproducing these experimental results with good agreement between theory and experiment. The benefits of a dual-contact device are shown with respect to a single-contact device.


PACS

42.55.Px Semiconductor lasers; laser diodes

42.60.Fc Modulation, tuning, and mode locking

Subjects

Optics, quantum optics and lasers

Dates

Issue 12 (December 2011)

Received 4 July 2011, accepted for publication 17 October 2011

Published 24 November 2011



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