High-fidelity gate set for exchange-coupled singlet-triplet qubits

Pascal Cerfontaine; Rene Otten; M. A. Wolfe; Patrick Bethke; Hendrik Bluhm

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High-fidelity gate set for exchange-coupled singlet-triplet qubits

机译：用于交换耦合的单态Qubits的高保真门设置

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In order to enable semiconductor-based quantum computing with many qubits, issues like residual intcrqubil coupling and constraints from scalable control hardware need to be tackled to retain the high gate fidelities demonstrated in current single-qubit devices. Here we focus on two exchange-coupled singlet-triplet spin qubits, considering realistic control hardware as well as Coulomb and exchange coupling that cannot be fully turned off. Using measured noise spectra, we optimize realistic control pulses and show that two-qubit (single-qubil) gate fidelities of 99.90% (≥99.69%) can be reached in GaAs, while 99.99% (≥99.95%) can be achieved in Si.

机译：为了使基于半导体的量子计算具有许多QUBITS，需要从可伸缩控制硬件中的残差耦合和约束等问题来保持在当前单个Qubit设备中演示的高栅极保真度。在这里，我们专注于两个交换耦合的单级三联旋转Qubits，考虑到现实的控制硬件以及库仑和无法完全关闭的汇总耦合。使用测量的噪声光谱，我们优化现实控制脉冲，并显示在GAAs中可以达到99.90％（≥99.69％）的双时序（单QUBIL）栅极保真度，而在SI中可以实现99.99％（≥99.95％）。

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《Physical review》 |2020年第15期|155311.1-155311.10|共10页
作者
Pascal Cerfontaine; Rene Otten; M. A. Wolfe; Patrick Bethke; Hendrik Bluhm;
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JARA-FIT Institute for Quantum Information Forschungszentrum Juelich GmbH and RWTH Aachen University 52074 Aachen Germany;

JARA-FIT Institute for Quantum Information Forschungszentrum Juelich GmbH and RWTH Aachen University 52074 Aachen Germany;

JARA-FIT Institute for Quantum Information Forschungszentrum Juelich GmbH and RWTH Aachen University 52074 Aachen Germany;

JARA-FIT Institute for Quantum Information Forschungszentrum Juelich GmbH and RWTH Aachen University 52074 Aachen Germany;

JARA-FIT Institute for Quantum Information Forschungszentrum Juelich GmbH and RWTH Aachen University 52074 Aachen Germany;

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1. High-fidelity gate set for exchange-coupled singlet-triplet qubits [J] . Physical review, B . 2020,第15期

机译：用于交换耦合的单态Qubits的高保真门设置
2. Error correction for gate operations in systems of exchange-coupled singlet-triplet qubits in double quantum dots [J] . Donovan Buterakos, Robert E. Throckmorton, S. Das Sarma Physical review. B, Condensed Matter And Materals Physics . 2018,第3期

机译：双量子点中交换耦合单重态-三重态量子位系统中门操作的纠错
3. Error correction for gate operations in systems of exchange-coupled singlet-triplet qubits in double quantum dots [J] . Buterakos Donovan, Throckmorton Robert E., Das Sarma S. Physical review, B . 2018,第3期

机译：双量子点中的交换耦合单态 - 三态Qubits系统中的栅极操作纠错
4. Designing high-fidelity multi-qubit gates for semiconductor quantum dots through deep reinforcement learning [C] . Sahar Daraeizadeh, Shavindra P. Premaratne, A. Y. Matsuura IEEE International Conference on Quantum Computing and Engineering . 2020

机译：通过深度强化学习为半导体量子点设计高保真多量子位门
5. Quantum Computation: High-fidelity Quantum Gates on Quantum Dot Qubits in the Presence of 1/F Charge Noise Using Strong Drives, Numerical and Analytical Analysis [D] . Yang, Yuan-Chi. 2019

机译：量子计算：量子点上的高保真量子门在使用强大的驱动器，数值和分析分析的1 / F充电噪声存在下的Qubbits。
6. High-fidelity gates in quantum dot spin qubits [O] . Teck Seng Koh, S. N. Coppersmith, Mark Friesen 2013

机译：量子点自旋量子位中的高保真门
7. High-fidelity gate set for exchange-coupled singlet-triplet qubits [O] . Pascal Cerfontaine, René Otten, M. A. Wolfe, 2020

机译：用于交换耦合的单态Qubits的高保真门设置

High-fidelity gate set for exchange-coupled singlet-triplet qubits

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