Bifurcations of a DFB laser with short optical feedback: numerical experiment

Nikolay Korneyev; Mindaugas Radziunas; Hans-Juergen Wuensche; Fritz Henneberger

doi:10.1117/12.478951

25 July 2003 Bifurcations of a DFB laser with short optical feedback: numerical experiment

Nikolay Korneyev, Mindaugas Radziunas, Hans-Juergen Wuensche, Fritz Henneberger

Proceedings Volume 4986, Physics and Simulation of Optoelectronic Devices XI; (2003) https://doi.org/10.1117/12.478951
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

We have applied a comprehensive simulation tool for multisection DFB lasers to systematically investigate bifurcations caused by combining a single mode DFB laser with a feedback section. Strength and phase of the optical feedback are considered as main bifurcation parameters. The recording of output power, optical and power spectra and carrier density yield evidence of fold bifurcations of stationary states as well as subcritical and supercritical Hopf bifurcations towards self-pulsations. Furthermore, a homoclinic bifurcation is detected and indications for a fold of limit cycles are observed in qualitative agreement with a bifurcation diagram very recently calculated with path following techniques 7 under simplifying assumptions. The present simulations show that these bifurcations are stable with respect to these approximations. They offer a method how the bifurcations can be determined experimentally.

Citation Download Citation

Nikolay Korneyev, Mindaugas Radziunas, Hans-Juergen Wuensche, and Fritz Henneberger "Bifurcations of a DFB laser with short optical feedback: numerical experiment", Proc. SPIE 4986, Physics and Simulation of Optoelectronic Devices XI, (25 July 2003); https://doi.org/10.1117/12.478951

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