Hybrid and passive mode-locking of a two-section laser diode in a Fourier transform external cavity

T.N. Le¹, M.R. Hofmann¹, A. Klehr², G. Erbert²

¹ AG Optoelektrische Bauelemente und Werkstoffe, Ruhr Universität Bochum, Bochum D-44780, Germany
² Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany

Published in:
IEE Proc.-Optoelectron., Vol. 153, No. 6, pp. 312-315, December 2006.
© The Institution of Engineering and Technology 2006. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Institution of Engineering and Technology.

Abstract:
Passive and hybrid modelocking of a two-section laser diode in an external cavity is investigated. The cavity contains a Fourier transformation that enables spatial separation and individual manipulation of the spectral components for shaping of the pulse spectrum. We achieve 5.5 ps pulses with passive modelocking and strongly chirped 3.7 ps pulses with hybrid modelocking.

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