Details

Autor(en) / Beteiligte

• Huang, Y-Y
• Wu, Y-K
• Wang, F
• Hou, P-Y
• Wang, W-B
• Zhang, W-G
• Lian, W-Q
• Liu, Y-Q
• Wang, H-Y
• Zhang, H-Y
• He, L
• Chang, X-Y
• Xu, Y
• Duan, L-M

Titel

Experimental Realization of Robust Geometric Quantum Gates with Solid-State Spins

Ist Teil von

• Physical review letters, 2019-01, Vol.122 (1), p.010503-010503, Article 010503

Ort / Verlag

United States: American Physical Society

Erscheinungsjahr

2019

Link zum Volltext

Quelle

Free E-Journal (出版社公開部分のみ）

Beschreibungen/Notizen

• We experimentally realize a universal set of single-bit and two-bit geometric quantum gates by adiabatically controlling solid-state spins in a diamond defect. Compared with the nonadiabatic approach, the adiabatic scheme for geometric quantum computation offers a unique advantage of inherent robustness to parameter variations, which is explicitly demonstrated in our experiment by showing that the single-bit gates remain unchanged when the driving field amplitude varies by a factor of 2 or the detuning fluctuates in a range comparable to the inverse of the gate time. The reported adiabatic control technique and its convenient implementation offer a paradigm for achieving quantum computation through robust geometric quantum gates, which is important for quantum information systems with parameter-fluctuation noise such as those from the inhomogeneous coupling or the spectral diffusion.