Circuit with Coupled Qubits with Differently Anharmonic Energy Spectrum

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent describes a circuit that couples two different types of qubits, one with a negatively anharmonic energy spectrum and another with a positively anharmonic energy spectrum, via a bus resonator. The combination is designed to achieve high gate fidelity and speed during quantum operations.

Use CasesContent extracted from patent full text and abstract with AI.

• Quantum computing processors where fast and accurate qubit gates are critical
• Research platforms exploring new qubit designs for scalable quantum computers
• Quantum simulators requiring precise multi-qubit interactions
• Quantum error correction schemes needing reliable and high-fidelity gates

BenefitsContent extracted from patent full text and abstract with AI.

• Enables higher gate fidelity, leading to more reliable quantum computations
• Allows for faster gate operations, improving overall quantum processor performance
• Combining different types of qubits can optimize circuit behavior and enable new functionalities
• Supports progress towards scalable and practical quantum computers

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Patent Abstract

The invention relates to a circuit with a first qubit (2) and a second qubit (3), with a bus resonator (6) coupled to the first qubit (2) and the second qubit (3), characterized in that the first qubit (2) is a qubit with a negatively anharmonic energy spectrum and the second qubit (3) is a qubit with a positively anharmonic energy spectrum. By means of the invention, high gate fidelity and high gate speed can be achieved.