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Time-multiplexed amplification in a hybrid-less and coil-less Josephson parametric converter
Baleegh Abdo, Jose M. Chavez-Garcia, Markus Brink +2
Josephson parametric converters (JPCs) are superconducting devices capable of performing nondegenerate, three-wave mixing in the microwave domain without losses. One drawback limit…
Demonstration of weight-four parity measurements in the surface code architecture
Maika Takita, A. D. Córcoles, Easwar Magesan +5
We present parity measurements on a five-qubit lattice with connectivity amenable to the surface code quantum error correction architecture. Using all-microwave controls of superco…
Observation of Collective Coulomb Blockade in a Gate-controlled Linear Quantum-dot Array
Wen-Yao Wei, Tung-Sheng Lo, Chiu-Chun Tang +8
The quantum transport of electrons in an artificial atom, such as a quantum dot (QD), is governed by the Coulomb blockade (CB) effects, revealing the ground-state charge configurat…