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:
Apr. 21, 2020
Filed:
Mar. 02, 2016
Nokia Technologies Oy, Espoo, FI;
Martti Voutilainen, Espoo, FI;
Sami Kallioinen, Espoo, FI;
Nokia Technologies Oy, Espoo, FI;
Abstract
An apparatus, including a quantum dot graphene field effect transistor configured to operate such that photons incident thereon cause electron-hole pairs to be formed; a connector element connected to the back gate of the transistor; a switch element as an output switch to provide an output for a current flowing through the transistor. The transistor is configured to be back gate biased via the connector element connected to the back gate such that the electrons or the holes formed are trapped in an at least one quantum dot and respectively the holes or the electrons migrate to the channel of the transistor. A drain to source voltage connected to the transistor causes a current proportional to the charge of the holes or electrons trapped at the quantum dots by the electrons or holes to flow in the channel.