Dynamics and bifurcations of a semiconductor laser with short external cavity

Bernd Krauskopf; Kirk Green; Hartmut Erzgraeber; Daan Lenstra

doi:10.1117/12.545738

1 September 2004 Dynamics and bifurcations of a semiconductor laser with short external cavity

Bernd Krauskopf, Kirk Green, Hartmut Erzgraeber, Daan Lenstra

Proceedings Volume 5452, Semiconductor Lasers and Laser Dynamics; (2004) https://doi.org/10.1117/12.545738
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We present a theoretical study into the dynamics and bifurcations of a semiconductor laser subject to delayed optical feedback, as modelled by the Lang-Kobayashi equations. For the case of a short external cavity, of the order of a few centimeters, there is a limited number of external cavity modes (ECMs), which makes it possible to apply advanced techniques from dynamical systems, such as the continuation of ECMs and their bifurcations, and the computation of unstable manifolds. From the physical point of view, a short cavity is characterized by the fact that the delay time in the external cavity is of the same order of magnitude as the period of the relaxation oscillation of the laser. In this regime the optical feedback phase is known to play an important role. We provide a detailed overview of how the dynamics depends on the feedback phase, which is in good agreement with recent experimental measurements.

Citation Download Citation

Bernd Krauskopf, Kirk Green, Hartmut Erzgraeber, and Daan Lenstra "Dynamics and bifurcations of a semiconductor laser with short external cavity", Proc. SPIE 5452, Semiconductor Lasers and Laser Dynamics, (1 September 2004); https://doi.org/10.1117/12.545738

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