High-repetition-rate single-photon receiver and method therefor

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United States of America Patent

PATENT NO 8796605
SERIAL NO

13464629

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Abstract

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A single-photon receiver and method for detecting a single-photon are presented. The receiver comprises a SPAD that receives a gating signal having a fundamental frequency in the 100 MHz to multiple GHz range. The receiver further comprises a two-stage frequency filter for filtering the output of the SPAD, wherein the filter has: (1) a notch filter response at the fundamental frequency; and (2) a low-pass filter response whose cutoff frequency is less than the first harmonic of the fundamental frequency. As a result, the frequency filter removes substantially all the frequency components in the SPAD output without significant degradation of the signal quality but with reduced complexity, cost, and footprint requirement relative to receivers in the prior art.

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Patent Owner(s)

  • PRINCETON LIGHTWAVE, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itzler, Mark Allen Princeton, US 30 480
Mordarski, William Paul Colts Neck, US 4 321

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