3 papers
quant-ph2025
Frequency- and Amplitude-Modulated Gates for Universal Quantum Control
Qi Ding, Shoumik Chowdhury, Agustin Di Paolo +4
Achieving high-fidelity single- and two-qubit gates is essential for executing arbitrary digital quantum algorithms and for building error-corrected quantum computers. We propose a…
quant-ph2025
ZZ-Free Two-Transmon CZ Gate Mediated by a Fluxonium Coupler
Junyoung An, Helin Zhang, Qi Ding +19
Eliminating residual ZZ interactions in a two-qubit system is essential for reducing coherent errors during quantum operations. In a superconducting circuit platform, coupling two…
quant-ph2025
Pulse Design of Baseband Flux Control for Adiabatic Controlled-Phase Gates in Superconducting Circuits
Qi Ding, Alan V. Oppenheim, Petros T. Boufounos +4
Despite progress towards achieving low error rates with superconducting qubits, error-prone two-qubit gates remain a bottleneck for realizing large-scale quantum computers. Therefo…