The paper introduces an extensible 2D fluxonium qubit architecture using low-shunt-capacitance tunable couplers realized as quarton or fluxonium circuits to enable strong tunable interactions and multiple connections while supporting fast high-fidelity gates.
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3 Pith papers cite this work. Polarity classification is still indexing.
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quant-ph 3years
2026 3verdicts
UNVERDICTED 3representative citing papers
A Fourier-engineered cos(2φ) qubit achieves spectral agreement with theory but its energy relaxation is limited by 1/f flux noise from residual first-harmonic fluctuations, unlike similar fluxonium qubits.
A millikelvin superconducting DAC integrated with fluxonium qubits generates persistent flux tuning signals via SFQ pulses without measurable coherence degradation.
citing papers explorer
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Extensible Fluxonium Architecture Using Tunable Couplers with Low Shunt Capacitance
The paper introduces an extensible 2D fluxonium qubit architecture using low-shunt-capacitance tunable couplers realized as quarton or fluxonium circuits to enable strong tunable interactions and multiple connections while supporting fast high-fidelity gates.
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Coherence limitations of a Fourier-engineered $\cos(2\varphi)$ transmon qubit
A Fourier-engineered cos(2φ) qubit achieves spectral agreement with theory but its energy relaxation is limited by 1/f flux noise from residual first-harmonic fluctuations, unlike similar fluxonium qubits.
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Millikelvin digital-to-analog converter for superconducting quantum processors
A millikelvin superconducting DAC integrated with fluxonium qubits generates persistent flux tuning signals via SFQ pulses without measurable coherence degradation.