Abstract
We present a detailed analysis of the output beam of high-power edge-emitting angled tapered superluminescent LEDs (A-TSLEDs). A device model, including spontaneous and stimulated emission processes as well as the typical nonuniform carrier-density distribution due to current spreading and carrier diffusion, has been developed and used to interpret the experimentally obtained characteristics of inhouse-fabricated A-TSLEDs. The good match between measured and theoretical results indicates that the model reproduces the A-TSLED operation very satisfactorily and clearly explains the role of the collecting lens on the pronounced asymmetry of some of the measured optical intensity profiles.
© 2002 Optical Society of America
Full Article | PDF ArticleOSA Recommended Articles
Frederica Causa and Jayanta Sarma
Appl. Opt. 42(21) 4341-4348 (2003)
Z. Y. Zhang, R. A. Hogg, X. Q. Lv, and Z. G. Wang
Adv. Opt. Photon. 2(2) 201-228 (2010)
I. Ladany, P. J. Zanzucchi, J. T. Andrews, J. Kane, and E. DePiano
Appl. Opt. 25(4) 472-473 (1986)