double-transmon couplers 1fixed-frequency qubits 1modular superconducting processors 1remote entangling gates 1tunable zz interaction 1
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quant-ph2026
Tunable Nonlocal Interaction for Remote Controlled-Z Gates Between Distributed Fixed-Frequency Qubits
Benzheng Yuan, Chaojie Zhang, Haoran He +9
The paper proposes a modular superconducting quantum processor architecture that uses double‑transmon couplers and a 25‑cm coaxial cable to create a tunable nonlocal ZZ interaction…
quant-ph2026
Modeling and Resource Optimization for Quantum Oracles
Zhihang Li, Bo Zhao, Chuanbing Han +6
Quantum computing has demonstrated its significant advantage over supercomputing for specific applications and shown promising prospect, such as machine learning, cryptography, fin…
quant-ph2026
Fast CZ Gate via Energy-Level Engineering in Superconducting Qubits with a Tunable Coupler
Benzheng Yuan, Chaojie Zhang, Chuanbing Han +8
In superconducting quantum circuits, decoherence errors in qubits constitute a critical factor limiting quantum gate performance. To mitigate decoherence-induced gate infidelity, r…