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Controlling Quantum Devices with Nonlinear Hardware
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DOI：10.1103/PhysRevApplied.4.024012.png)
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Abstract
En 中文
High-fidelity coherent control of quantum systems is critical to building quantum devices and quantum computers. We provide a general optimal control framework for designing control sequences that account for hardware control distortions while maintaining robustness to environmental noise. We demonstrate the utility of our algorithm by presenting examples of robust quantum gates optimized in the presence of nonlinear distortions. We show that nonlinear classical controllers do not necessarily incur additional computational cost to pulse-optimization, enabling more powerful quantum devices.
Keywords:
BROAD-BAND EXCITATION
CPMG-LIKE SEQUENCES
NMR PROBE
PULSES
BANDWIDTH
CIRCUITS
DESIGN
LIMITS
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