Quantum-enhanced rotation measurements about unknown axes

Aaron Z. Goldberg; Daniel F. V. James

doi:10.1364/QIM.2019.T5A.30

Quantum Information and Measurement (QIM) V: Quantum Technologies
OSA Technical Digest (Optica Publishing Group, 2019),
paper T5A.30
•https://doi.org/10.1364/QIM.2019.T5A.30

Quantum-enhanced rotation measurements about unknown axes

Aaron Z. Goldberg and Daniel F. V. James

Quantum Information and Measurement 2019

Rome Italy
4–6 April 2019
ISBN: 978-1-943580-56-9

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Poster Session I (T5A)

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A. Z. Goldberg and D. F. V. James, "Quantum-enhanced rotation measurements about unknown axes," in Quantum Information and Measurement (QIM) V: Quantum Technologies, OSA Technical Digest (Optica Publishing Group, 2019), paper T5A.30.

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Abstract

Precise rotation measurements have broad applications. Some quantum states dramatically enhance sensitivities in estimating rotation angles around known axes. We present states that increase sensitivities in estimating both the orientation of an unknown rotation axis and the angle rotated about it.

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