JP2021501899A - スピン共鳴分光法のためのループギャップ共振器 - Google Patents
スピン共鳴分光法のためのループギャップ共振器 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/343—Constructional details, e.g. resonators, specially adapted to MR of slotted-tube or loop-gap type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/60—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using electron paramagnetic resonance
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/08—Strip line resonators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/10—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using electron paramagnetic resonance
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Abstract
Description
本発明は、全米科学財団認可番号DMR−1310135及びDMR−1708692の下に政府支援を受けて行われた。政府は、発明に一定の権利を有する。
Claims (20)
- 電磁放射を試料に結合する共振器であって、
導電性部材と、
前記部材に誘導性ループを画定する前記部材を通る開口部であって、前記試料を前記開口部内に少なくとも部分的に受け入れ可能な前記開口部と、
前記部材の境界と前記開口部との間に、ある長さを有する屈曲した経路を画定する前記部材の細長いギャップと、を含むことを特徴とする共振器。 - 前記導電性部材は、誘電体基板を覆う金属層を含むことを特徴とする請求項1に記載の共振器。
- 前記導電性部材は、ほぼ平面状であることを特徴とする請求項1に記載の共振器。
- 誘電材料であって、前記導電性部材の少なくとも一部を覆う、及び、前記ギャップの少なくとも一部を埋めるのうちの1つまたは両方である、前記誘電材料をさらに含むことを特徴とする請求項1に記載の共振器。
- 前記屈曲した経路の前記長さは、前記共振器のキャパシタンスに実質的に比例し、前記ギャップの幅は、前記共振器のキャパシタンスに実質的に反比例することを特徴とする請求項1に記載の共振器。
- 前記屈曲した経路は、複数の経路セグメントと、前記経路セグメント間の方向の変化を含むことを特徴とする請求項1に記載の共振器。
- 方向の前記変化の1つまたは複数は、方向の反転を含むことを特徴とする請求項6に記載の共振器。
- 複数の隣り合う経路セグメントと反転は、前記導電性部材に互いに入り組んだ構造を画定することを特徴とする請求項7に記載の共振器。
- 前記経路は、少なくとも8つの方向の変化を含むことを特徴とする請求項6に記載の共振器。
- 前記細長いギャップの前記長さの少なくとも一部は、10ナノメートル未満のギャップ幅を有することを特徴とする請求項1に記載の共振器。
- 前記開口部の最大の横方向寸法は、前記ギャップの最小幅以下であることを特徴とする請求項1に記載の共振器。
- 前記試料は、キュービットを含むことを特徴とする請求項1に記載の共振器。
- 1つまたは複数のキュービットの量子状態の測定及び変更の少なくとも1つのためのシステムであって、
請求項1に記載の共振器と、
前記開口部内に少なくとも部分的に位置する試料と、
前記共振器に適用可能な外部の磁界源と、前記共振器に適用可能で、前記試料に共振を誘導するように選択された周波数を有する電磁放射源と、を含むことを特徴とする前記システム。 - 試料の量子状態の測定及び変更の少なくとも1つのための方法であって、
前記共振器の前記開口部と外縁との間に延びる屈曲したギャップによって画定される、キャパシタンスを有するループギャップ共振器の開口部内に、前記試料の少なくとも一部を配置することと、
磁界と電磁放射とに前記試料を同時にさらすことと、
前記試料から共振信号を検出することと、を含むことを特徴とする方法。 - 前記開口部は、10ナノメートル未満の断面寸法を有することを特徴とする請求項14に記載の方法。
- 前記試料は、キュービットを含むことを特徴とする請求項14に記載の方法。
- 電磁放射を試料に結合する共振器であって、
表面を画定する導電性部材であって、前記表面上のエリアと、前記エリアの周囲の外側境界とを有し、前記表面にほぼ垂直な厚さを有する前記導電性部材と、
前記試料を受け入れる開口部であって、前記厚さ全体を通して延びる前記開口部と、
前記厚さ全体を通して、且つ、前記開口部を前記境界につなぐ屈曲した経路に沿って延びる連続した細長いギャップであって、前記経路は、複数の隣り合う長さセグメントと前記長さセグメント間の方向の変化とを含む、前記ギャップと、を含み、
前記ギャップの幅と前記経路の長さとが、前記共振器のキャパシタンスを規定することを特徴とする共振器。 - 前記表面は、平面状であることを特徴とする請求項17に記載の共振器。
- 方向の前記変化の1つまたは複数は、隣り合うセグメント間での方向の反転を含むことを特徴とする請求項17に記載の共振器。
- 前記経路は、互いに入り組んだ構造を含むことを特徴とする請求項17に記載の共振器。
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EP3679385B1 (en) | 2017-09-07 | 2022-10-26 | Amherst College | Loop-gap resonators for spin resonance spectroscopy |
KR20220142428A (ko) * | 2019-11-15 | 2022-10-21 | 뉴사우스 이노베이션즈 피티와이 리미티드 | 양자 컴퓨팅 시스템을 위한 전역 제어 |
JP7327808B2 (ja) | 2020-03-24 | 2023-08-16 | 国立研究開発法人産業技術総合研究所 | 平面ループギャップ共振器、量子センシングシステム及び量子磁気センサーユニット |
CN114611704B (zh) * | 2022-05-11 | 2022-10-25 | 苏州浪潮智能科技有限公司 | 一种量子比特耦合方法和结构 |
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WO2019051016A1 (en) | 2019-03-14 |
US20190074570A1 (en) | 2019-03-07 |
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CA3075078A1 (en) | 2019-03-14 |
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