Design of Distributed Feedback Lasers with Drastically Reduced Intensity Profile Non-Uniformity Using the Global Optimization Method

Glenn Isenor; János Pintér; János Pintér; Michael Cada

Laser 2001 - World of Photonics 15th International Conference on Lasers and Electrooptics in Europe
Technical Digest Series (Optica Publishing Group, 2001),
paper PS80

Design of Distributed Feedback Lasers with Drastically Reduced Intensity Profile Non-Uniformity Using the Global Optimization Method

Glenn Isenor, János Pintér, and Michael Cada

The European Conference on Lasers and Electro-Optics 2001

Munich Germany
18–22 June 2001
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G. Isenor, J. Pintér, and M. Cada, "Design of Distributed Feedback Lasers with Drastically Reduced Intensity Profile Non-Uniformity Using the Global Optimization Method," in Laser 2001 - World of Photonics 15th International Conference on Lasers and Electrooptics in Europe, Technical Digest Series (Optica Publishing Group, 2001), paper PS80.

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Abstract

We present a novel approach that for the first time combines global optimization with coupled mode theory and the transfer matrix method (TMM) for the reduction of the longitudinal field profile non-uniformity in a quarter wave shifted (QWS), distributed coupling coefficient (DCC), index coupled distributed feedback (DFB) laser, operating in a region above its threshold (turn-on) injection current. Initial results show significant field intensity profile non-uniformity reductions over a range of injection currents, indicating this has the potential to be a powerful laser design method.

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