DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Electronic circuit for control or coupling of single charges or spins and methods therefor

Abstract

A quantum dot structure having a split-gate geometry is provided. The quantum dot is configured for incorporation into a quantum dot array of a quantum processing unit. A gap between a reservoir accumulation gate and a quantum dot accumulation gate provides a tunnel barrier between an electric charge reservoir and a quantum dot well. An electrical potential applied to the gates defines a tunnel barrier height, width and charge tunneling rate between the well and the reservoir without relying on any barrier gate to control the charge tunneling rate.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
SOCPRA Sciences et Genie S.E.C., Sherbrooke (Canada); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1805540
Patent Number(s):
10929769
Application Number:
16/094,176
Assignee:
SOCPRA Sciences et Genie S.E.C. (Sherbrooke, CA); National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Classifications (CPCs):
G - PHYSICS G06 - COMPUTING G06N - COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Resource Relation:
Patent File Date: 06/08/2017
Country of Publication:
United States
Language:
English

Citation Formats

Pioro-Ladriere, Michel, Rochette, Sophie, King Gamble, John, Ten Eyck, Gregory A., Rudolph, Martin, and Carroll, Malcolm S. Electronic circuit for control or coupling of single charges or spins and methods therefor. United States: N. p., 2021. Web.
Pioro-Ladriere, Michel, Rochette, Sophie, King Gamble, John, Ten Eyck, Gregory A., Rudolph, Martin, & Carroll, Malcolm S. Electronic circuit for control or coupling of single charges or spins and methods therefor. United States.
Pioro-Ladriere, Michel, Rochette, Sophie, King Gamble, John, Ten Eyck, Gregory A., Rudolph, Martin, and Carroll, Malcolm S. Tue . "Electronic circuit for control or coupling of single charges or spins and methods therefor". United States. https://www.osti.gov/servlets/purl/1805540.
@article{osti_1805540,
title = {Electronic circuit for control or coupling of single charges or spins and methods therefor},
author = {Pioro-Ladriere, Michel and Rochette, Sophie and King Gamble, John and Ten Eyck, Gregory A. and Rudolph, Martin and Carroll, Malcolm S.},
abstractNote = {A quantum dot structure having a split-gate geometry is provided. The quantum dot is configured for incorporation into a quantum dot array of a quantum processing unit. A gap between a reservoir accumulation gate and a quantum dot accumulation gate provides a tunnel barrier between an electric charge reservoir and a quantum dot well. An electrical potential applied to the gates defines a tunnel barrier height, width and charge tunneling rate between the well and the reservoir without relying on any barrier gate to control the charge tunneling rate.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 23 00:00:00 EST 2021},
month = {Tue Feb 23 00:00:00 EST 2021}
}

Works referenced in this record:

Direct Tunnel Barrier Control Gates in a Two-Dimensional Electronic System
patent-application, October 2015


Semiconductor quantum dot device
patent, March 1999


Single molecule array on silicon substrate for quantum computer
patent, June 2006


Qubit readout via controlled coherent tunnelling to probe state
patent, January 2009


Electronic device using quantum dot
patent, July 2012


Fabrication of nanoelectronic circuits
patent, February 2007


Solid-state quantum dot devices and quantum computing using nanostructured logic gat
patent-application, December 2002


Gate for information processing
patent-application, August 2005


Solid state charge qubit device
patent, April 2012


Single-electron memory device using an electron-hole coulomb blockade
patent, November 2001


Quantum computer
patent, October 2003


Method of making a universal quantum dot logic cell
patent, September 1995


Ion trap in a semiconductor chip
patent, August 2008


Solid-state quantum dot devices and quantum computing using nanostructured logic gates
patent, July 2003


Universal quantum gate
patent, February 2010


Spin readout and initialization in semiconductor quantum dots
patent, November 2006


Fermionic bell-state analyzer and quantum computer using same
patent, August 2010


Control and readout of electron or hole spin
patent, August 2013


Scalable quantum computer architecture with coupled donor-quantum dot qubits
patent, August 2014


Universal quantum dot logic cell
patent, July 1998


Quantum computer
patent, October 2002


Error corrected quantum computer
patent, June 2011