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Transmon qubit flip-chip structures for quantum computing devices

机译:Quantum Computing设备的传输Qubit倒装芯片结构

摘要

A quantum computing device is formed using a first chip and a second chip, the first chip having a first substrate, a first set of pads, and a set of Josephson junctions disposed on the first substrate. The second chip has a second substrate, a second set of pads disposed on the second substrate opposite the first set of pads, and a second layer formed on a subset of the second set of pads. The second layer is configured to bond the first chip and the second chip. The subset of the second set of pads corresponds to a subset of the set of Josephson junctions selected to avoid frequency collision between qubits in a set of qubits. A qubit is formed using a Josephson junction from the subset of Josephson junctions and another Josephson junction not in the subset being rendered unusable for forming qubits.
机译:使用第一芯片和第二芯片形成量子计算装置,第一芯片具有第一基板,第一组焊盘和设置在第一基板上的一组Josephson结。 第二芯片具有第二基板,第二组焊盘设置在与第一组焊盘相对的第二基板上,以及形成在第二组焊盘的子集上的第二层。 第二层被配置为键合第一芯片和第二芯片。 第二组焊盘集的子集对应于所选择的Josephson结的集合的子集,以避免一组QUBITS中的Qubits之间的频率冲突。 使用来自Josephson结的子集的Josephson结和不具有不可用作形成Qubits的子集中的Josephsephse交汇处形成了一个量子位。

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