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Conferences > CLEO_Europe > 1994 > CThG > CThG5

Gain-coupled DFB-lasers with a not saturable absorptive grating and an essentially simplified fabrication process

T. W. Johannes

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Abstract

Gain-coupled DFB lasers show an increased yield,1 a higher side mode suppression ratio,1 as well as a reduced sensitivity to external reflection as compared to index-coupled devices.2 As has been shown, the carrier dynamics in the corrugated absorptive grating may also significantly alter the device behaviour under direct modulation.3 Thus, a reduction of linewidth and chirp has been demonstrated.4

© 1994 IEEE

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