Dynamics of semiconductor lasers with filtered optical feedback

B. Krauskopf; H. Erzgräber; D. Lenstra

doi:10.1117/12.663295

14 April 2006 Dynamics of semiconductor lasers with filtered optical feedback

B. Krauskopf, H. Erzgräber, D. Lenstra

Proceedings Volume 6184, Semiconductor Lasers and Laser Dynamics II; 61840V (2006) https://doi.org/10.1117/12.663295
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

In the filtered optical feedback (FOF) scheme a part of the emission of the laser is spectrally filtered, for example by a Fabry-Perot filter, and than fed back into the laser. If a semiconductor laser is subject to such delayed FOF qualitative different types of oscillations are possible: the well known relaxation oscillations and, more remarkably, frequency oscillations. We explain how the continuous wave operation of the FOF laser - the external filtered modes - lose their stability and the different types of oscillations arise due to the presence of the filter. This study is restricted to the case of a narrow filter. This means that there are only a few external filtered modes within the width of the filter, so that the influence of the feedback phase can be studied explicitly.

Citation Download Citation

B. Krauskopf, H. Erzgräber, and D. Lenstra "Dynamics of semiconductor lasers with filtered optical feedback", Proc. SPIE 6184, Semiconductor Lasers and Laser Dynamics II, 61840V (14 April 2006); https://doi.org/10.1117/12.663295

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