Size dependence of transverse mode structure in oxide-confined vertical-cavity laser diodes
- 3 August 1998
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 73 (5) , 596-598
- https://doi.org/10.1063/1.121867
Abstract
We analyze the transverse mode structure of selectively oxidized vertical-cavity surface-emitting semiconductor lasers as a function of the aperture size and injection current. Measurements of the spectral splittings, the near and far field sizes and the response to pulsed operation demonstrate that a parasitic thermal lens can be a dominant factor in determining the transverse resonator properties of small (<3 μm) lasers.Keywords
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