TOP > 外国特許検索 > Nonlinear microwave filter

Nonlinear microwave filter NEW

外国特許コード F210010338
整理番号 E128P05TW
掲載日 2021年2月2日
出願国 台湾
出願番号 108142381
公報番号 202029564
出願日 令和元年11月21日(2019.11.21)
公報発行日 令和2年8月1日(2020.8.1)
優先権データ
  • 特願2018-219739 (2018.11.22) JP
発明の名称 (英語) Nonlinear microwave filter NEW
発明の概要(英語) This nonlinear microwave filter is provided with quantum bits that are formed on a circuit board in which target quantum bits are formed which are quantum bits controlled in a superconducting quantum circuit, and that are coupled to a control waveguide to which the target quantum bits are coupled, wherein the distance to a waveguide end in the control waveguide is within a predetermined range from semi integer times the resonant wavelength, the quantum bits have a resonant frequency in which the difference from the resonant frequency of the target quantum bits is within a predetermined range, and the coupling to the control waveguide is stronger by a predetermined value than the coupling between the target quantum bits and the control waveguide.
従来技術、競合技術の概要(英語) Background of the Invention]
Non-linear microwave filter background of the invention 1. This application is based on Application No. 2018-219739 of the Japanese Application of 22 11, claiming priority, to be incorporated herein.
[Prior Art]
Background of the invention Quantum computer-related technologies are being studied and developed. Techniques relating to quantum computers, Methods of 2 Quantum Bit Gate Operation in Quantum Computers Using Superconducting Quantum Bits are known (Reference is made to Patent Documents 1, 2 ). Advance technical literature
Patent Document Patent Document 1 : U. S. patent Specification No.7613765 Patent Document 2 : U. S. patent Application Publication No. 2016/0380636 Specification
特許請求の範囲(英語) [claim1]
1. A non-linear microwave filter, having quantum bits, said quantum bits being quantum bits formed on a circuit substrate forming a target quantum bit and coupled to a control waveguide, said target quantum bits being quantum bits controlled at a superconducting quantum circuit, and coupled to said control waveguide, The distance of the aforementioned quantum bit element from the waveguide end of the aforementioned control waveguide is within a predetermined range from half an integer multiple of the resonance wavelength, the aforementioned quantum bit element has a resonance frequency within a predetermined range of difference from the resonance frequency of the aforementioned target quantum bit element, and the coupling of the aforementioned quantum bit element to the aforementioned control waveguide is a predetermined value greater than the coupling of the aforementioned target quantum bit element to the aforementioned control waveguide.

[claim2]
2. The non-linear microwave filter, of claim 1 wherein said target quantum bit is located at said waveguide end.

[claim3]
3. The non-linear microwave filter as claimed in claim 1 or 2, is a quantum bit formed on the opposite side of the substrate surface of which the aforementioned target quantum bit is formed in the substrate surface of the aforementioned circuit substrate.
  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • NAKAMURA YASUNOBU
  • KONO SHINGO
  • KOSHINO KAZUKI
国際特許分類(IPC)
参考情報 (研究プロジェクト等) ERATO NAKAMURA Macroscopic Quantum Machines AREA
ライセンスをご希望の方、特許の内容に興味を持たれた方は、問合せボタンを押してください。

PAGE TOP

close
close
close
close
close
close