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Integrated device for temporal binning of received photons

  • US 9,945,779 B2
  • Filed: 07/21/2017
  • Issued: 04/17/2018
  • Est. Priority Date: 08/08/2014
  • Status: Active Grant
First Claim
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1. An integrated circuit, comprising:

  • a photodetection region;

    at least one charge carrier storage region; and

    a charge carrier segregation structure configured to;

    remove, from the photodetection region, a first plurality of charge carriers generated therein by a first excitation light pulse, and discard the first plurality of charge carriers by preventing the first plurality of charge carriers from being stored in the at least one charge carrier storage region; and

    following the removal of the first plurality of charge carriers generated by the first excitation light pulse, remove, from the photodetection region, a sensed charge carrier generated therein by a sensed photon, and direct the sensed charge carrier into the at least one charge carrier storage region prior to the photodetection region generating a second plurality of charge carriers by a second excitation light pulse,wherein the first excitation light pulse excites a luminescent molecule, and wherein the sensed charge carrier is generated in the photodetection region by a sensed photon received from the luminescent molecule in response to the luminescent molecule being excited by the first excitation light pulse.

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