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Record small-signal direct modulation bandwidths up to 40 GHz and low chirp characteristics (α = 1.4) in short-cavity strained In0.35Ga0.65As/GaAs MQW laser diodes

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Abstract

We demonstrate, for the first time, direct modulation bandwidths exceeding 40 GHz in short-cavity In0.35Ga0.65As/GaAs multiple-quantum-well laser diodes. Low linewidth enhancement factors (α = 1.4) have been extracted, indicating reduced laser chirp under high-speed direct modulation.

© 1995 Optical Society of America

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