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Updated: Oct 12, 2025
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Dorsal Column Steerability with Dual Parallel Leads using Dedicated Power Sources: A Computational Model
Published on: February 10, 2011
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Experimental verification of the relationship between first-order coherence and linear steerability
Optics Express
|November 23, 2021
Summary
This study experimentally verifies a complementary relation between quantum coherence and steerability in two-qubit systems. The findings confirm theoretical predictions and offer insights for optical quantum technologies.
Area of Science:
- Quantum Information Science
- Quantum Optics
Background:
- Coherence and steerability are fundamental properties of quantum systems.
- First-order coherence and linear steering inequality violation quantify these properties in two-qubit states.
Purpose of the Study:
- To experimentally verify the proposed complementary relation between first-order coherence and linear steerability.
- To demonstrate an operable method for measuring these quantum properties in an all-optical setup.
Main Methods:
- Preparation of biphoton polarization entangled states in an all-optical system.
- Operational measurement of first-order coherence and linear steerability.
- Reconstruction of density matrices to calculate state purity.
Main Results:
- Experimental results strongly agree with theoretical predictions for the complementary relation.
- Successful demonstration of an operable measurement technique for coherence and steerability.
Conclusions:
- The complementary relation between coherence and steerability is experimentally confirmed.
- The study provides a valuable reference for advancing optical quantum technologies.
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