High-Q resonators assembly
First Claim
Patent Images
1. An apparatus, which interacts with incident electromagnetic energy, the apparatus comprising:
- a plurality of coupled closed-loop resonators distributed in a region,wherein each resonator has a resonant spectral response characterized by a quality factor Q (ω
c), where ω
is frequency, and ω
c is a resonance line center frequency, and wherein positions and orientations of the resonators are distributed in the region in a selected spatial arrangement so that the apparatus collectively exhibits a particular effective refractive index n (ω
) to incident electromagnetic energy.
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Abstract
An electromagnetically responsive element includes sets of arrangements of self-resonant bodies, such as atoms or quantum dots that form an effective dielectric constant, typically at or near a resonance.
29 Citations
49 Claims
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1. An apparatus, which interacts with incident electromagnetic energy, the apparatus comprising:
-
a plurality of coupled closed-loop resonators distributed in a region, wherein each resonator has a resonant spectral response characterized by a quality factor Q (ω
c), where ω
is frequency, and ω
c is a resonance line center frequency, and wherein positions and orientations of the resonators are distributed in the region in a selected spatial arrangement so that the apparatus collectively exhibits a particular effective refractive index n (ω
) to incident electromagnetic energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A structure having a controlled effective index of refraction for incident electromagnetic energy at a selected frequency, comprising:
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an array of coupled closed-loop resonators arranged to produce the effective index of refraction of the structure for incident electromagnetic energy, wherein each closed-loop resonator has a time-dependent resonance at a resonance line center frequency ω
c, which is substantially the same as the selected frequency, a respective set of electromagnetic parameters, and a Q-factor; andat least one tuning element configured to tune/de-tune the resonance of at least one self-resonator in response to an input signal. - View Dependent Claims (28, 29, 30)
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31. A method of modifying propagation of an electromagnetic energy wave at a selected frequency, the method comprising:
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refracting the electromagnetic energy wave with an array of microcavity/microring resonators having an effective array index of refraction, each microcavity/microring resonator having a line center frequency, which is substantially the same as the selected frequency, a respective set of electromagnetic parameters, a respective orientation, and a respective Q-factor, wherein the microcavity/microring resonators are arranged in the array in a particular spatial pattern that determines the effective index of refraction of the array, and conversely the spatial pattern is a function of the effective index of refraction, the respective electromagnetic parameters, the respective orientations, and the respective Q-factors. - View Dependent Claims (32)
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33. A method of modifying propagation of incident electromagnetic energy, the method comprising:
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intercepting the incident electromagnetic energy with a region having a particular effective refractive index n (ω
),wherein a plurality of coupled closed-loop resonators are distributed in the region, wherein each resonator has a resonant frequency response that is a function of a resonator orientation and is characterized by a quality factor Q (ω
c), where ω
is frequency, and ω
c is a resonance line center frequency, and wherein the resonators are distributed in the region in a selected spatial arrangement so that the region exhibits the particular effective refractive index n (ω
) to the incident electromagnetic energy. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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Specification