Evanescently coupling light between waveguides and whispering-gallery mode optical resonators
First Claim
Patent Images
1. A system comprising:
- a whispering gallery mode optical resonator configured to support a whispering gallery mode as a resonator mode; and
an optical waveguide spaced from the optical resonator by a gap and having a coupling surface facing the optical resonator that includes a periodic structure to form an optical grating to evanescently couple light via the periodic structure into the whispering gallery mode of the optical resonator.
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Abstract
An exemplary embodiment of the present invention described and shown in the specification and drawings is a system including an optical resonator and an optical element having a periodic structure for coupling of light into the optical resonator.
125 Citations
43 Claims
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1. A system comprising:
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a whispering gallery mode optical resonator configured to support a whispering gallery mode as a resonator mode; and an optical waveguide spaced from the optical resonator by a gap and having a coupling surface facing the optical resonator that includes a periodic structure to form an optical grating to evanescently couple light via the periodic structure into the whispering gallery mode of the optical resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system comprising:
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a whispering gallery mode optical resonator configured to support a whispering gallery mode as a resonator mode; and an optical element having a periodic structure to evanescently couple light via the periodic structure into the whispering gallery mode of the optical resonator, wherein the optical element having the periodic structure is a waveguide; and a photonic bandgap crystal positioned between the waveguide and the optical resonator for coupling of light from the waveguide, through the photonic bandgap crystal, and into the optical resonator. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A system comprising:
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a whispering gallery mode optical resonator configured to support a whispering gallery mode as a resonator mode; and an optical element having a periodic structure to evanescently couple light via the periodic structure into the whispering gallery mode of the optical resonator, wherein the optical element is a first optical resonator and the optical resonator is a second optical resonator. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A system comprising:
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a whispering gallery mode optical resonator configured to support a whispering gallery mode as a resonator mode; and an optical element having a periodic structure to evanescently couple light via the periodic structure into the whispering gallery mode of the optical resonator, wherein the optical resonator is a second optical resonator, and the optical element having a periodic structure is a first optical resonator located adjacent to the second optical resonator, wherein the system comprises a photonic bandgap crystal positioned between the first optical resonator and the second optical resonator for coupling of light from the first optical resonator, through the photonic bandgap crystal, and into the second optical resonator. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A system comprising:
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a first whispering gallery mode optical resonator configured to support a whispering gallery mode as a resonator mode; a second whispering gallery mode optical resonator separated from the first whispering gallery mode optical resonator by a gap and configured to support a whispering gallery mode as a resonator mode; and an optical element having a photonic bandgap material structure which includes a coupling region located in the gap and separated from the first and the second whispering gallery mode optical resonators, the coupling region configured to evanescently couple light between the first and the second whispering gallery mode optical resonators. - View Dependent Claims (42, 43)
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Specification