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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 21 — Jul. 20, 2003
  • pp: 4341–4348

Realistic model for the output beam profile of stripe and tapered superluminescent light-emitting diodes

Frederica Causa and Jayanta Sarma  »View Author Affiliations


Applied Optics, Vol. 42, Issue 21, pp. 4341-4348 (2003)
http://dx.doi.org/10.1364/AO.42.004341


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Abstract

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.

© 2003 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(230.0250) Optical devices : Optoelectronics
(230.3670) Optical devices : Light-emitting diodes

History
Original Manuscript: January 27, 2003
Revised Manuscript: April 17, 2003
Published: July 20, 2003

Citation
Frederica Causa and Jayanta Sarma, "Realistic model for the output beam profile of stripe and tapered superluminescent light-emitting diodes," Appl. Opt. 42, 4341-4348 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-21-4341


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