Visualizing the whispering gallery modes in a cylindrical optical microcavity


Balistreri, M.L.M. and Klunder, D.J.W. and Blom, F.C. and Driessen, A. and Hoekstra, H.J.W.M. and Korterik, J.P. and Kuipers, L. and Hulst, N.F. van (1999) Visualizing the whispering gallery modes in a cylindrical optical microcavity. Optics Letters, 24 (24). pp. 1829-1831. ISSN 0146-9592

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Abstract: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.
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Copyright:© 1999 Optical Society of America
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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