Realistic model for the output beam profile of stripe and tapered superluminescent light-emitting diodes
Causa, F. and Sarma, J., 2003. Realistic model for the output beam profile of stripe and tapered superluminescent light-emitting diodes. Applied Optics, 42 (21), pp. 4341-4348.
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We present a new model to analyze the spatial characteristics of the output beam of conventional (straight-stripe) and tapered superluminescent light-emitting diodes. The device model includes both spontaneous and stimulated emission processes as well as a nonuniform carrier density distribution to correctly represent current spreading and carrier diffusion effects. Near- and far-field intensity profiles computed with this model are accurately verified over a wide range of injection currents by comparisons with experimental results measured from in-house fabricated devices. (C) 2003 Optical Society of America.
|Creators||Causa, F.and Sarma, J.|
|Departments||Faculty of Engineering & Design > Electronic & Electrical Engineering|
|Additional Information||ID number: ISI:000184252300014|
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