JP2018513580A - 量子増幅器を作製するための技術ならびに関連する系および方法 - Google Patents
量子増幅器を作製するための技術ならびに関連する系および方法 Download PDFInfo
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/005—Transference of modulation from one carrier to another, e.g. frequency-changing by means of superconductive devices
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F19/00—Amplifiers using superconductivity effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F7/00—Parametric amplifiers
- H03F7/02—Parametric amplifiers using variable-inductance element; using variable-permeability element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F7/00—Parametric amplifiers
- H03F7/04—Parametric amplifiers using variable-capacitance element; using variable-permittivity element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/195—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/10—Junction-based devices
- H10N60/12—Josephson-effect devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N69/00—Integrated devices, or assemblies of multiple devices, comprising at least one superconducting element covered by group H10N60/00
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N10/00—Quantum computing, i.e. information processing based on quantum-mechanical phenomena
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
Abstract
Description
本願は、2015年2月27日に、発明の名称「JOSEPHSON ‘FABRIC’ FOR IMPROVED AMPLIFIERS」で出願され、その全体において参照により本明細書に援用される米国仮特許出願第62/126,381号の35 U.S.C. §119(e)の利益を主張する。
本願は一般的に、量子情報処理に関する。より具体的に、本願は、量子増幅器を作製するための技術に関する。
増幅器は、実験物理学において遍在する構成要素であり、典型的に測定デバイス由来のシグナルのエネルギーを、該シグナルを読み取るために使用される電子機器のノイズ超えるのに十分なレベルまで上げるために使用される。従来の増幅器はエネルギー散逸性(dissipative)であり、一般的に入力末端に適用される入力シグナルに応答して、増幅された出力シグナルに加えて一定量のノイズを生じる。
いくつかの局面は、一緒になって直列および並列に連結される複数の非線形回路素子を含む量子回路に関し、該回路素子の少なくとも2つは一緒になって直列に連結され、該回路素子の少なくとも2つは一緒になって並列に連結され、該量子回路は増幅器として働くように構成される。
増幅器は、実験対象から入力シグナルを受信し、出力としてシグナルの大きさを増加させる。入力シグナルは典型的に、1つ以上のノイズ源由来のノイズ成分を含み、増幅器は、その入力においてもノイズの新規の供給源を導入しながら、この成分の大きさを増加し得る。効率的な増幅器は、増幅されたシグナルとノイズの分離をより困難にする非常に大きなノイズ出力を導入することなく、その入力の情報積載部分(実験対象由来のシグナル)のエネルギーを増加する仕事を実行する。増幅器の「利得」は、増幅器の入力に対する増幅器の出力(ノイズを含む)の振幅の増加であり、増幅器の「帯域幅」は、増幅器が増幅された出力を生成し得る入力周波数の範囲である。
Claims (11)
- 一緒になって直列および並列に連結される複数の非線形回路素子を含む量子回路であって、該回路素子の少なくとも2つは、一緒になって直列に連結され、該回路素子の少なくとも2つは、一緒になって並列に連結され、
該量子回路は、増幅器として働くように構成される、量子回路。 - 回路素子がジョセフソン接合である、請求項1記載の量子回路。
- 量子回路のサブ回路中でN個の回路素子が一緒になって直列に連結され、複数の前記サブ回路が量子回路中で、一緒になってM個並列に(in parallel M times)連結される、請求項1記載の量子回路。
- Nが少なくとも3であり、Mが少なくとも3である、請求項3記載の量子回路。
- 複数のサブ回路のそれぞれに、第1のコンデンサをさらに含む、請求項3記載の量子回路。
- 複数のサブ回路のそれぞれに、少なくとも1つのインダクタをさらに含む、請求項3記載の量子回路。
- 少なくとも1つのインダクタが1つ以上の回路素子を含む、請求項6記載の量子回路。
- 少なくとも1つのインダクタが、1つ以上の回路素子とは異なる1つ以上のインダクタを含む、請求項7記載の量子回路。
- それぞれが隣り合うサブ回路の対の間で連結される複数の第2のコンデンサをさらに含む、請求項3記載の量子回路。
- 複数の非線形回路素子が、実質的に互いに同一である、請求項1記載の量子回路。
- ハイブリッドコモンモードで複数の回路素子を操作するように構成される、請求項1記載の量子回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201562126381P | 2015-02-27 | 2015-02-27 | |
US62/126,381 | 2015-02-27 | ||
PCT/US2016/019821 WO2016138408A1 (en) | 2015-02-27 | 2016-02-26 | Techniques for producing quantum amplifiers and related systems and methods |
Publications (1)
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JP2018513580A true JP2018513580A (ja) | 2018-05-24 |
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JP2017545328A Pending JP2018513580A (ja) | 2015-02-27 | 2016-02-26 | 量子増幅器を作製するための技術ならびに関連する系および方法 |
Country Status (9)
Country | Link |
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US (1) | US10404214B2 (ja) |
EP (1) | EP3262697B1 (ja) |
JP (1) | JP2018513580A (ja) |
KR (1) | KR20170125059A (ja) |
CN (1) | CN107251250A (ja) |
CA (1) | CA2977968C (ja) |
HK (1) | HK1245503A1 (ja) |
SG (1) | SG11201706834XA (ja) |
WO (1) | WO2016138408A1 (ja) |
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JP2021532585A (ja) * | 2018-08-03 | 2021-11-25 | インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation | 遠方界放射が低減された対称量子ビット |
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CA2977968C (en) | 2023-10-17 |
CN107251250A (zh) | 2017-10-13 |
WO2016138408A1 (en) | 2016-09-01 |
KR20170125059A (ko) | 2017-11-13 |
SG11201706834XA (en) | 2017-09-28 |
EP3262697A1 (en) | 2018-01-03 |
EP3262697A4 (en) | 2018-10-31 |
HK1245503A1 (zh) | 2018-08-24 |
CA2977968A1 (en) | 2016-09-01 |
US10404214B2 (en) | 2019-09-03 |
EP3262697B1 (en) | 2021-10-13 |
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