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Record small-signal adirect modulation band widths upto 40 GHz and low chirp characteristics (alpha = 1.4) in short-cavity strained In0.35Ga0.65As/GaAs MQW laser diodes

Rekordwerte der Kleinsignalmodulationsbandbreite bis 40 GHz und niedrige Chirp-Faktoren (alpha = 1.4) in Laserdioden mit verspannten In0.35Ga0.65As/GaAs MQW und kurzen Resonatoren

Optical Society of America -OSA-, Washington/D.C.; IEEE Lasers and Electro-Optics Society:
Semiconductor lasers. Advanced devices and applications. Summaries of papers presented at the topical meeting
Washington, DC: OSA, 1995 (OSA Technical digest series 1995,20)
Topical Meeting on Semiconductor Lasers <1995, Keystone/Colo.>
Conference Paper
Fraunhofer IAF ()
chirp; InGaAs; laser diode; Laserdiode; modulation bandwidth; Modulationsbandbreite; strained MQW; verspannte MQW

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 (a = 1.4) have been extracted, indicating reduced laser chirp under high-speed direct modulation.