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Authors: B. Moeyersoon, G. Morthier, R. Baets
Title: An Optical Feedback Scheme for the Improvement of the
Format: International Workshop
Publication date: 5/2001
Journal/Conference/Book: Fifth Workshop of the IEEE/LEOS Benelux Chapter on Semiconductor Light Emitting Devices
Location: Eindhoven, Netherlands
Citations: Look up on Google Scholar


The influence of an external optical feedback loop containing power splitters and a comb filter on the wavelength switching behaviour of tunable lasers has been investigated numerically. Simulation results show that this filtered optical feedback can give reduced wavelength switching times and that the thermally induced wavelength drift associated with the switching of the tuning currents can be suppressed. During the presentation, we will discuss the influence of the strength of the feedback, which is a critical parameter. The simulation results were obtained with the VPI (Virtual Photonics Inc.) Componentmaker software.

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