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Updated: Feb 15, 2026

Floral-Dip Transformation of Flax Linum usitatissimum to Generate Transgenic Progenies with a High Transformation Rate
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Characterizing a high-dimensional unitary transformation without measuring the qudit it transforms.

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    This summary is machine-generated.

    We developed a new method to reconstruct quantum transformations without detecting the particle. This technique uses quantum interference and is useful when detectors are unavailable.

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    Area of Science:

    • Quantum optics
    • Quantum information science

    Background:

    • Reconstructing quantum operations is crucial for quantum information processing.
    • Detecting particles (qudits) is often required for characterizing transformations.
    • Limitations exist when suitable detectors for specific qudits are unavailable.

    Purpose of the Study:

    • To present a novel method for reconstructing arbitrary high-dimensional unitary transformations.
    • To demonstrate the method's applicability using orbital angular momentum states of light.
    • To provide a practical solution for unitary transformation reconstruction in scenarios lacking specific detectors.

    Main Methods:

    • Utilizing quantum interference phenomena.
    • Leveraging the path identity of undetected photons.
    • Reconstructing unitary transformations without direct qudit detection.

    Main Results:

    • Successfully reconstructed arbitrary high-dimensional unitary transformations.
    • Demonstrated the method with orbital angular momentum states of light.
    • Validated the technique's effectiveness in the absence of specialized detectors.

    Conclusions:

    • The presented method enables unitary transformation reconstruction without particle detection.
    • Quantum interference offers a viable alternative to direct detection for characterizing quantum operations.
    • This approach enhances the practicality of quantum information processing, especially with limited detector availability.