Journal
OPTICS EXPRESS
Volume 16, Issue 15, Pages 11066-11076Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.16.011066
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- Engineering and Physical Sciences Research Council [GR/S96500/01] Funding Source: researchfish
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Evanescent coupling of light from glass channel waveguides into the whispering gallery modes of glass microspheres of radius 15 mu m and 100 mu m is studied experimentally at wavelengths near 1550 nm. Fitting the positions, widths and heights of resonances in the experimental spectra to the characteristic equation for microsphere modes and to universal coupled microresonator theory, we establish sphere radius and index, identify mode numbers, and determine losses. The results provide detailed information for the design of optical devices incorporating microsphere resonators in planar lightwave circuits. (C) 2008 Optical Society of America.
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