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In this paper, the technique of quantum phase estimation is investigated using quantum Fourier transform algorithm on QISKIT tool of IBM. The phase of eigenvalues of the controlled unitary operation is estimated by encoding the quantum information into phases of eigenvector of unitary operator. Phase of unitary operator has been verified on IBM quantum hardware. This work is useful in providing deep insights into quantum Fourier transform and phase estimation algorithms which lies in the core of Shor’s Algorithm.

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Analysis of Quantum Phase Estimation Algorithm Using Quantum Fourier Transform

  • 会议论文

  • 发表日期：

    2025年

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  • Priyanka Sharma,
  • Rukhsar Zafar,
  • Amit Kumar Sharma

摘要

In this paper, the technique of quantum phase estimation is investigated using quantum Fourier transform algorithm on QISKIT tool of IBM. The phase of eigenvalues of the controlled unitary operation is estimated by encoding the quantum information into phases of eigenvector of unitary operator. Phase of unitary operator has been verified on IBM quantum hardware. This work is useful in providing deep insights into quantum Fourier transform and phase estimation algorithms which lies in the core of Shor’s Algorithm.