The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 2014
Filed:
Sep. 30, 2011
Seok-beom Cho, Daejeon, KR;
Tae-gon Noh, Daejeon, KR;
Seok-Beom Cho, Daejeon, KR;
Tae-Gon Noh, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided is a single photon detector and a photon number detector which use an APD and include an auxiliary signal generator, a light receiving element, a mixer, and a determiner. The auxiliary signal generator generates an auxiliary signal. The light receiving element receives a photon to output an electric signal. The mixer receives and mixes an output signal of the light receiving element and the auxiliary signal. The determiner determines whether the photon is received or the number of received photons. The single photon detector and photon number resolving detector detect an avalanche of an amplitude less than the amplitude of a capacitive response. A probability that an after pulse is generated can be reduced. A photon count rate is enhanced. The influence on the waveform of the gate signal can be decreased. The frequency of the gate signal can be continuously changed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile