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    Area of Science:

    • Quantum optics
    • Photonics
    • Condensed matter physics

    Background:

    • Scattering media typically disrupt coherent light propagation.
    • Quantum walks require precise control over quantum states.

    Purpose of the Study:

    • To explore scattering media as a platform for quantum walks.
    • To demonstrate manipulation of single photons in scattering environments.
    • To control photon entanglement across multiple modes.

    Main Methods:

    • Utilized wavefront-shaping technique to control single photons.
    • Measured the scattering matrix to compensate for distortions.
    • Directed photons coherently to specific output modes.

    Main Results:

    • Successfully manipulated single photons through a strongly scattering medium.
    • Demonstrated coherent control and directed photon propagation.
    • Showed manipulation of single-photon entanglement across different modes.

    Conclusions:

    • Scattering media can serve as viable multimode platforms for quantum walks.
    • Wavefront shaping enables precise control of quantum states in complex optical systems.
    • This method facilitates manipulation of entanglement in highly disturbed wavefronts.