Patents Represented by Attorney Daly, Crowley, Mofford & Dukee, LLP

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  • Radiation-free optical cavity
    Patent number: 7224868
    Abstract: The present invention provides a micro-resonator including a plurality of waveguides forming optic junctions therebetween, with adjacent waveguides having different core permittivities and different cladding permittivities. Adjacent waveguides are mode-matched through adjustments of the core permittivities and the cladding permittivities of the waveguides to reduce or eliminate junction radiation, thereby providing high performance.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: May 29, 2007
    Assignee: Massachusetts Institute of Technology
    Inventors: Michael R. Watts, Steven G. Johnson, Hermann A. Haus, John D. Joannopoulos