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On the thermal resistance of vertical-cavity surface-emitting lasers |
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| Authors: | Nakwaski W OSIN´SKI M |
| Institution: | 1.Institute of Physics, Technical University of ?o′dz′, ul. Wo′lczan′ska 219, 93-005, ?o′dz′, Poland ;2.Center for High Technology Materials, University of New Mexico, Albuquerque, NM, 87131-6081, USA ; |
| Abstract: | Thermal properties of vertical-cavity surface-emitting lasers (VCSELs) are studied using their comprehensive, three-dimensional, self-consistent, thermal-electrical simulation. The thermal resistance versus operation current relation is found to be completely different for two basic VCSEL configurations, i.e. for proton-implanted top-surface-emitting lasers (top-emitting VCSELs) and etched-well lasers (bottom-emitting VCSELs). The above fact is explained using a concept of the average centre of heat generation within a laser volume and its shift with an increase in an operation current. This revised version was published online in November 2006 with corrections to the Cover Date. |
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