Quantum multiphase estimation
Marco Barbieri, Ilaria Gianani, Aaron Z. Goldberg, and Luis L., S\'anchez-Soto
TL;DR
This paper reviews recent advances in quantum multiphase estimation, emphasizing strategies for optimal measurement protocols and experimental platforms to improve sensitivity in estimating multiple phases simultaneously.
Contribution
It provides a comprehensive overview of theoretical and experimental progress in quantum multiphase estimation, highlighting new measurement strategies and suitable platforms.
Findings
Enhanced sensitivities in multiphase estimation using tailored quantum states
Development of optimal measurement protocols for multiple phases
Identification of suitable experimental platforms for implementation
Abstract
Quantum phase estimation is fundamental to advancing quantum science and technology. While much of the research has concentrated on estimating a single phase, the simultaneous estimation of multiple phases can yield significantly enhanced sensitivities when using specially tailored input quantum states. This work reviews recent theoretical and experimental advancements in the parallel estimation of multiple arbitrary phases. We highlight strategies for constructing optimal measurement protocols and discuss the experimental platforms best suited for implementing these techniques.
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Taxonomy
TopicsSpectroscopy Techniques in Biomedical and Chemical Research