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Abstract <p>Quantum-entangled two-photon fields (biphotons) are attracting increasing interest in practical applications based on high photon correlation. Using a tunable fiber optic biphoton source, it was demonstrated that the performance of a quantum optical system at various wavelengths can be evaluated by correlation measurements. It was established that the results of such measurements, particularly those related to the efficiency of the detectors used, depend significantly on the optical losses in the system.</p>

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Application of a Tunable Fiber Optic Source of Biphotons to Determine the Spectral Dependence of the Second-Order Cross-Correlation Function

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • M. A. Smirnov,
  • A. F. Khairullin,
  • S. A. Moiseev

摘要

Abstract

Quantum-entangled two-photon fields (biphotons) are attracting increasing interest in practical applications based on high photon correlation. Using a tunable fiber optic biphoton source, it was demonstrated that the performance of a quantum optical system at various wavelengths can be evaluated by correlation measurements. It was established that the results of such measurements, particularly those related to the efficiency of the detectors used, depend significantly on the optical losses in the system.