Reduction of the circuit depth of quantum circuits is a crucial bottleneck to enabling quantum technology. This depth is inversely proportional to the number of available quantum gates that have been synthesized. Moreover, quantum gate-synthesis and control problems exhibit a vast range of external parameter dependencies, both physical and application specific. In this paper, we address the possibility of learning families of optimal-control pulses that depend adaptively on various parameters, in order to obtain a global optimal mapping from the space of potential parameter values to the control space and hence to produce continuous classes of gates. Our proposed method is tested on different experimentally relevant quantum gates and proves capable of producing high-fidelity pulses even in the presence of multiple variables or uncertain parameters with wide ranges.

Continuous Quantum Gate Sets and Pulse-Class Meta-Optimization / Preti F.; Calarco T.; Motzoi F.. - In: PRX QUANTUM. - ISSN 2691-3399. - STAMPA. - 3:4(2022), pp. 040311.1-040311.20. [10.1103/PRXQuantum.3.040311]

Continuous Quantum Gate Sets and Pulse-Class Meta-Optimization

Calarco T.;
2022

Abstract

Reduction of the circuit depth of quantum circuits is a crucial bottleneck to enabling quantum technology. This depth is inversely proportional to the number of available quantum gates that have been synthesized. Moreover, quantum gate-synthesis and control problems exhibit a vast range of external parameter dependencies, both physical and application specific. In this paper, we address the possibility of learning families of optimal-control pulses that depend adaptively on various parameters, in order to obtain a global optimal mapping from the space of potential parameter values to the control space and hence to produce continuous classes of gates. Our proposed method is tested on different experimentally relevant quantum gates and proves capable of producing high-fidelity pulses even in the presence of multiple variables or uncertain parameters with wide ranges.
2022
Continuous Quantum Gate Sets and Pulse-Class Meta-Optimization / Preti F.; Calarco T.; Motzoi F.. - In: PRX QUANTUM. - ISSN 2691-3399. - STAMPA. - 3:4(2022), pp. 040311.1-040311.20. [10.1103/PRXQuantum.3.040311]
Preti F.; Calarco T.; Motzoi F.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/964890
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