Optical Tapers as White-Light WGM Resonators
NASA’s Jet Propulsion Laboratory, Pasadena, California
Friday, January 01 2010
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Such resonators could be attractive for broad-band optical processing applications.
A theoretical analysis has revealed that tapered optical waveguides could be useful as white-light whispering-gallerymode (WGM) optical resonators. The compactness and the fixed-narrow-frequency- band nature of the resonances of prior microdisk and microsphere WGM resonators are advantageous in low-power, fixed-narrow-frequency-band applications. However for optical-processing applications in which there are requirements for power levels higher and/or spectral responses broader than those of prior microdisk and microsphere WGM resonators, white-light WGM resonators in the form of optical tapers would be preferable.
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