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Asymmetric-Waveguide Laser Diode for High-Power Optical Pulse Generation by Gain Switching

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3 Author(s)
Ryvkin, B. ; Dept. of Electr. & Inf. Eng., Univ. of Oulu, Oulu, Finland ; Avrutin, E.A. ; Kostamovaara, J.T.

A semiconductor laser with a strongly asymmetric waveguide structure and a relatively thick (~0.1 mum) active layer, resulting in an extremely large equivalent spot size, is proposed and analyzed for the purpose of generating high-power single-optical pulses by gain switching. An improvement in obtainable single-pulse energies of about an order of magnitude over conventional laser structures is predicted.

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Lightwave Technology, Journal of  (Volume:27 ,  Issue: 12 )