Low-cost enhanced performance DFB Lasers

Martin Möhrle; Walter Brinker; Ludwig Mörl; Ariane Sigmund; Norbert Grote

doi:10.1117/12.692919

6 July 2006 Low-cost enhanced performance DFB lasers

Martin Möhrle, Walter Brinker, Ludwig Mörl, Ariane Sigmund, Norbert Grote

Proceedings Volume 6350, Workshop on Optical Components for Broadband Communication; 63500P (2006) https://doi.org/10.1117/12.692919
Event: Workshop on Optical Components for Broadband Communication, 2006, Stockholm, Sweden

Abstract

A novel DFB laser structure, referred to as CSDFB, is presented that, different from conventional designs, simultaneously allows to obtain very high yield single mode behaviour even without applying facet coatings, high slope efficiency, and low beam divergence. These advantages result from the incorporation of a curved and tapered laser waveguide designed such that a constant period DFB grating can be utilized. Preliminary feedback measurements have indicated enhanced immunity to optical back-reflection in comparison to a conventional DFB structure. The CSDFB design has large potential of reducing transmitter costs due to both reduced chip and module fabrication costs.

Citation Download Citation

Martin Möhrle, Walter Brinker, Ludwig Mörl, Ariane Sigmund, and Norbert Grote "Low-cost enhanced performance DFB lasers", Proc. SPIE 6350, Workshop on Optical Components for Broadband Communication, 63500P (6 July 2006); https://doi.org/10.1117/12.692919

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