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Superconducting devices

Graphene amplifier reaches the quantum limit

Graphene Josephson junctions enable parametric amplification at the quantum noise limit with gate-tuneable working frequency.

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Fig. 1: Parametric amplification.

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Correspondence to Kin Chung Fong.

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Fong, K.C. Graphene amplifier reaches the quantum limit. Nat. Nanotechnol. 17, 1128–1129 (2022). https://doi.org/10.1038/s41565-022-01239-5

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