Surface plasmon resonance on microaperture vertical-cavity surface-emitting laser with metal grating
- 4 August 2003
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 83 (5) , 836-838
- https://doi.org/10.1063/1.1597979
Abstract
We proposed a microaperture vertical-cavity surface-emitting laser (VCSEL) with metal grating for the enhancement of optical near-field induced by surface plasmon resonance. We carried out the two-dimensional modeling on the near-field intensity at a microaperture surrounded by a grating in a silver film. An increase in throughput through the microaperture was obtained by the control of a surface plasmon mode, which is strongly dependent on some structural parameters of the grating, such as the period and the depth of a grating, and so on. We also fabricated a microaperture VCSEL with concentric circular grating, exhibiting a large enhancement in peak intensity. The intensity is eight times larger than that of a single-aperture device without grating.Keywords
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