Fast Multiqubit Gates through Simultaneous Two-Qubit Gates
Xiu Quan Gu, Jorge Fernández-Pendás, Pontus Vikstål, Tahereh Abad, Christopher Warren, Andreas Bengtsson, Giovanna Tancredi, Vitaly S. Shumeiko, Jonas Bylander, Göran Johansson, Anton Frisk Kockum · PRX Quantum · 2021
A recipe to create multi-qubit gates that uses existing quantum hardware-- without any additional components, complicated pulse shapes, or changes in design--is proposed, promising a reduction in circuit depth, and executions that are faster than their two-qubit counterparts.