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VCSEL design using the bidirectional beam-propagation method

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4 Author(s)
Hongling Rao ; Microelectron. Sci. Lab., Columbia Univ., New York, NY, USA ; Steel, M.J. ; Scarmozzino, Rob ; Osgood, R.M.

We present an optical modeling approach for calculating vertical-cavity surface emitting laser (VCSELs) modes based on the bidirectional beam propagation method. Compared with existing approaches, it is flexible, efficient, and convenient. To demonstrate and validate the approach, we examined several design problems for oxide-confined VCSEL devices. Specifically, we modeled the blue-shift phenomenon in small oxidized VCSELs and compared our calculations with previous results. We also examined the dependence of the threshold gain on different oxide-aperture shaped designs and on the thickness and placement of an aperture layer

Published in:

Quantum Electronics, IEEE Journal of  (Volume:37 ,  Issue: 11 )

Date of Publication:

Nov 2001

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