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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
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Simulate Deutsch-Jozsa algorithm with metamaterials.

Kaiyang Cheng, Weixuan Zhang, Zeyong Wei

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    |June 19, 2020
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    Summary
    This summary is machine-generated.

    This study demonstrates a novel all-dielectric metamaterial model simulating the quantum Deutsch-Jozsa algorithm. The metamaterial achieves this by encoding functions onto light

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    Area of Science:

    • Quantum computing
    • Metamaterials
    • Analog computing

    Background:

    • Current research on artificial structures for optical analog computing primarily focuses on classical operations.
    • Simulating quantum algorithms using artificial structures remains an underexplored area.

    Purpose of the Study:

    • To propose and realize an all-dielectric metamaterial-based model for demonstrating the quantum Deutsch-Jozsa algorithm.
    • To explore the potential of metamaterials in simulating quantum algorithms.

    Main Methods:

    • Designed a model comprising two cascaded functional metamaterial subblocks.
    • The oracle subblock encodes detecting functions (constant or balanced) onto the phase distribution of the incident wave.
    • A graded-index subblock performs the Hadamard transformation.

    Main Results:

    • Both numerical and experimental results confirm the metamaterial's ability to simulate the Deutsch-Jozsa problem.
    • A single round of operation and measurement is sufficient.
    • Output intensity at the central position (zero or maximum) correlates with destructive or constructive interference, indicating balance or constant functions.

    Conclusions:

    • The proposed computational metamaterial successfully simulates the Deutsch-Jozsa algorithm.
    • The miniaturized and easily integrable design holds potential for applications in communication, analog computing, and signal processing.