Low linewidth enhancement factor for InGaAsP and InGaAIAs multiple quantum well lasers |
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| Authors: | P S Griffin I H White J E A Whiteaway |
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| Institution: | (1) School of Physics, University of Bath, BA2 7AY Claverton Down, Bath, UK;(2) STC Technology Ltd, London Road, CM17 9NA Harlow, Essex, UK |
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| Abstract: | A comparative measurement is reported of the linewidth enhancement factor of bulk and multiple quantum well (MQW) long-wavelength diode lasers using the chirp halfwidth product method. Although MQW lasers provide substantially improved chirp performance compared with bulk devices, this depends considerably on the drive conditions when gain switching. |
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