Narrowband composite two-qubit phase gates
Boyan T. Torosov, Nikolay V. Vitanov
TL;DR
This paper introduces a method to create narrowband composite two-qubit gates that are highly selective to coupling variations, reducing cross talk and enhancing applications in quantum computing and sensing.
Contribution
The paper presents a novel approach for constructing narrowband composite two-qubit gates with improved selectivity and reduced cross talk compared to existing methods.
Findings
Effective suppression of cross talk in two-qubit gates
Enhanced selectivity to coupling variations
Potential applications in quantum sensing and spectroscopy
Abstract
We propose a method to construct composite two-qubit gates with narrowband profiles with respect to the spin-spin coupling. The composite sequences are selective to the variations in the amplitude and duration of the spin-spin coupling, and can be used for highly-selective qubit addressing with greatly reduced cross talk, quantum logic spectroscopy, and quantum sensing.
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Taxonomy
TopicsQuantum and electron transport phenomena · Quantum Information and Cryptography · Quantum Computing Algorithms and Architecture