振動に強いダイヤモンド量子エミッターが室温単一光子源に道を開く
University of Illinoisの研究チームが発見したダイヤモンドカラーセンター「IL1」は、格子振動からほぼ完全に隔離され、室温で0.31nm幅の極めて狭い発光線と1秒あたり1300万個以上の明るい単一光子放出を実現した。これにより、量子ネットワークや量子通信向けに冷却不要の安定した光子源として再評価される可能性が高まっている。

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University of Illinoisの研究チームが発見したダイヤモンドカラーセンター「IL1」は、格子振動からほぼ完全に隔離され、室温で0.31nm幅の極めて狭い発光線と1秒あたり1300万個以上の明るい単一光子放出を実現した。これにより、量子ネットワークや量子通信向けに冷却不要の安定した光子源として再評価される可能性が高まっている。
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