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
A. Schönfelder, S. Weisser, K. Czotscher, E. Larkins, W. Benz, J. Daleiden-, J. Fleissner, M. Maier, J. Ralston, J. Rosenzweig
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引用次数: 0
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.