Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2006-01-17
2006-01-17
Ullah, Akm Enayet (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling structure
C385S015000, C385S027000, C385S028000, C372S032000, C372S092000, C372S096000, C372S108000
Reexamination Certificate
active
06987914
ABSTRACT:
Optical filters having at least two coupled whispering-gallery-mode (WGM) optical resonators to produce a second order or higher order filter function with a desired spectral profile. At least one of the coupled WGM optical resonators may be tunable by a control signal to adjust the filtering function.
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Handley Timothy A.
Ilchenko Vladimir
Maleki Lutfollah
Savchenkov Anatoliy
California Institute of Technology
Fish & Richardson P.C.
Petkovsek Daniel
Ullah Akm Enayet
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