Graded-index whispering gallery mode resonators
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United States of America Patent
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May 31, 2005
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N/A
app pub date -
May 14, 2003
filing date -
May 17, 2002
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Abstract
Whispering gallery mode optical resonators which have spatially-graded refractive indices. In one implementation, the refractive index spatially increases with a distance from an exterior surface of such a resonator towards an interior of the resonator to produce substantially equal spectral separations for different whispering gallery modes. An optical coupler may be used with such a resonator to provide proper optical coupling.
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