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Conferences > OFC > 1994 > WL > WL2

High FM Bandwidth of a DBR laser with electro-optical tuning sections

J. Langanay, E. Gaumont-Goarin, J. Y. Emery, C. Labourie, J. C. Provost, C. Starck, O. Legouezigou, and D. Lesterlin

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Abstract

Distributed-Bragg-reflector (DBR) laser diodes (LDs) look attractive for frequency modulation (FM) light sources.1 Nevertheless, they suffer from limitation of the — 3-dB cutoff frequency when the phase section is modulated by carrier injection.2 Taking into account high index variations measured on a superlattice (SL) modulator when it is reverse biased,3 we realized a high-frequency voltage-controlled FM source with a butt-jointed intracavity SL modulator in a multiple-quantum-well (MQW) DBR laser.

© 1994 Optical Society of America

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