High-resolution photonic thermometer article

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United States of America Patent

PATENT NO 10955617
APP PUB NO 20200103594A1
SERIAL NO

16589793

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Abstract

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A high-resolution photonic thermometer article performs high-resolution thermometry and includes: a light source; a photonic thermometer with a waveguide and a photonic crystal cavity that stores light; a photodetector in communication with the photonic thermometer; a phase sensitive detector in communication with the photodetector and that: receives the photodetector signal from the photodetector; receives a reference frequency signal; and produces a lock signal from the photodetector signal, based on the reference frequency signal; a local oscillator in communication with the phase sensitive detector and that produces the reference frequency signal; and a servo controller in communication with the phase sensitive detector and local oscillator and that: receives the lock signal from the phase sensitive detector; receives the reference frequency signal from the local oscillator; and produces the control signal such that absorption power of the photonic crystal is maximized through wavelength control of the light source by the control signal.

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Patent Owner(s)

  • GOVERNMENT OF THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmed, Zeeshan Washington, US 14 40
Douglass, Kevin O'Connell Ellicott City, US 2 5
Klimov, Nikolai Nikolaevich Ellicott City, US 5 5

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