遠距離量子エンタグリング 介電性mu-ゼロに近いメタマテリアル

科学分野:

• 量子情報科学
• メタマテリアル
• 量子光学

背景:

• 量子エンタグリングは 量子情報処理に不可欠ですが 空間的脱合と消散によって制限されています
• 既存の解決策はしばしばプラズモンの波導体に依存し,それには固有の損失があります.
• スケール可能なオンチップ量子技術の開発には 長期間の絡み合いが不可欠です

研究 の 目的:

• 遠距離量子エンタグレーションを実現するための 新しく,完全に介電性プラットフォームを提案し,実証する.
• ゼロに近いエプシロン (ENZ) とゼロに近いム (MNZ) メタマテリアルの使用による損失性プラズモニックシステムの限界を克服する.
• チップ上の量子情報処理の範囲と強さを高め,特に窒素空白 (NV) ダイヤモンドセンターと互換性があります.

主な方法:

• ミュウ・ナビ・ゼロ (MNZ) メタマテリアルを組み込んだ完全な介電性プラットフォームを使用した.
• チップに統合された窒素空白 (NV) ダイヤモンドセンターを使用して,絡み合う性質を調査した.
• 評価された一時的および安定状態の相乗およびゼロ時間遅延の二次相関関数 ($g12 ( 2 ) ( )主要な成果:17自由空間波長 (約12.5μm) を超える距離での絡み合いを達成した.過去の作品と比較して, 絡み合う競争の大きさの増幅を示した.二次相関関数の反束シグネチャーを観測し,高品質の絡み合いを示した.結論:提案された介電MNZプラットフォームは 遠距離量子エンタグリングの 重要な進歩を提供します.この技術はNVダイアモンドセンターのような オンチップ量子システムと互換性があり 量子情報処理の実用化への道を開いています絡み合いの範囲と質の向上は,脱合性と消散の課題を克服する上で画期的な進歩です.さらに関連する動画05:39Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas PlatformPublished on: August 2, 20199.7K09:33Demonstration of Equal-Intensity Beam Generation by Dielectric MetasurfacesPublished on: June 7, 20196.4KSee all related videos関連する概念動画01:30Electromagnetic Waves in Matter3.3KElectromagnetic waves can travel in the vacuum as well as in matter. For example light, which is an electromagnetic wave, can travel through air, water, or glass.Consider the electromagnetic wave passing through a dielectric medium. In such a case, Maxwell's equations get modified. 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