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We study modulation properties of state-of-the-art quantum dot lasers and compare them with state-of-the-art Al-based quantum well lasers. In particular, we demonstrate uncooled transmission over 20 km at 10 Gbit/s, limited by a large adiabatic chirp.
We introduce and verify experimentally an interferometric scheme for performing cross-gain modulation. The scheme is used to demonstrate all-optical wavelength conversion with good extinction ratio in media with little or no cross-phase modulation nonlinearity.
A new tensile strained material system, GaInNAs/InP, has been developed in order to achieve TM lasing around 1.55 mum, for further isolator integration. First static and dynamic evaluation of such GaInNAs/InP multi-quantum-well lasers is reported.
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