Abstract
We present a detailed experimental characterization of the spectral and spatial structure of the confined optical modes for oxide-apertured micropillar cavities, showing good-quality Hermite-Gaussian profiles, easily modematched to external fields. We further derive a relation between the frequency splitting of the transverse modes and the expected Purcell factor. Finally, we describe a technique to retrieve the profile of the confining refractive index distribution from the spatial profiles of the modes.
| Original language | English |
|---|---|
| Pages (from-to) | 4678-4680 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 37 |
| Issue number | 22 |
| DOIs | |
| Publication status | Published - 15 Nov 2012 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
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