Geometric controlled-phase gate

Fidelity >97%

Geometric drives dramatically simplify gate design for binomial codes, delivering the fastest two-logical-qubit gate to date with minimal numerical optimization.

Xu, Yifang · Lida, Sun · Huang, Hongwei · Jie-Jie, Chen · Lintao, Xiao · Zhang, Bo · Chuanlong, Ma · Wang, Weiting · Xue, Guangming · Yu, Haifeng · Chang-Ling, Zou · Sun, Luyan

Physical Review Letters 2026

Specifications

Process fidelity

{'zh': '', 'en': '0.8'} %

Process fidelity

{'zh': '', 'en': '0.7'} %

Advantages

Surpasses all previously reported two-logical-qubit gates in bosonic codes