Visualizing the whispering gallery modes in a cylindrical optical microcavity

Whispering gallery modes in cylindrical integrated optics microcavities have, for what is to our knowledge the first time, been mapped with a photon scanning tunneling microscope. Optical images were obtained with a spatial resolution of 50 nm. By combination of information on the spatial optical di...

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Bibliographic Details
Published in:Optics letters 1999-12, Vol.24 (24), p.1829-1831
Main Authors: Balistreri, M L, Klunder, D J, Blom, F C, Driessen, A, Hoekstra, H W, Korterik, J P, Kuipers, L, van Hulst, N F
Format: Article
Language:English
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Summary:Whispering gallery modes in cylindrical integrated optics microcavities have, for what is to our knowledge the first time, been mapped with a photon scanning tunneling microscope. Optical images were obtained with a spatial resolution of 50 nm. By combination of information on the spatial optical distributions with wavelength-dependent measurements, an unexpectedly rich variety of intracavity phenomena, such as polarization conversion and interference of copropagating and counterpropagating modes, could be directly observed. A quantitative comparison of the experimental data with computer simulations results in a comprehensive understanding of the various whispering gallery modes inside the microcavity.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.24.001829