Multi-electrode complex-coupled DFB lasers for reduced spatial hole burning

Michel Lestrade; Alain Champagne; Romain Maciejko; Keith J. Kasunic; David M. Adams

doi:10.1117/12.543739

15 December 2003 Multi-electrode complex-coupled DFB lasers for reduced spatial hole burning

Michel Lestrade, Alain Champagne, Romain Maciejko, Keith J. Kasunic, David M. Adams

Proceedings Volume 5260, Applications of Photonic Technology 6; (2003) https://doi.org/10.1117/12.543739
Event: Applications of Photonic Technology, 2003, Quebec City, Québec, Canada

Abstract

The effects of using multiple electrodes to reduce longitudinal spatial hole burning (LSHB) in a complex-coupled distributed feedback (DFB) laser are investigated. Using a time-domain model, we show that LSHB can be compensated by injecting more current into the center of the device. We also find that differntial current injection has an effect on the threshold current and quantum efficiency of the DFB laser. Spectral characteristics are obtained by fast Fourier transform of the time-domain data and we show that inhomogeneous current injection can also have an effect on the laser linewidth.

Citation Download Citation

Michel Lestrade, Alain Champagne, Romain Maciejko, Keith J. Kasunic, and David M. Adams "Multi-electrode complex-coupled DFB lasers for reduced spatial hole burning", Proc. SPIE 5260, Applications of Photonic Technology 6, (15 December 2003); https://doi.org/10.1117/12.543739

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