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Estimating Coherence Measures from Limited Experimental Data Available.

Da-Jian Zhang1,2, C L Liu1, Xiao-Dong Yu1

  • 1Department of Physics, Shandong University, Jinan 250100, China.

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This study introduces a novel method for estimating coherence measures from limited experimental data. The approach is applicable to unknown quantum states and extends to other resource measures.

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Area of Science:

  • Quantum information science
  • Quantum measurement theory

Background:

  • Quantifying coherence is crucial in quantum information science.
  • Estimating coherence measures experimentally is challenging due to unknown states and limited data.

Purpose of the Study:

  • To develop a practical method for estimating coherence measures from limited experimental data.
  • To extend the proposed approach to other quantum resource measures.

Main Methods:

  • Developed a novel approach to estimate coherence measures.
  • The method utilizes any available limited experimental data.
  • The approach is general and applicable to unknown quantum states.

Main Results:

  • Successfully demonstrated an approach to estimate coherence measures.
  • The method is robust even with incomplete experimental information.
  • The framework can be generalized to other resource measures.

Conclusions:

  • The proposed method provides a practical solution for experimental coherence quantification.
  • This work facilitates the experimental characterization of quantum states and resources.