Quantum Photonic Gates with Two-Dimensional Random Walkers
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866912130893086720 |
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| author | Gangaraj, S. Ali Hassani Nguyen, Dan T |
| author_facet | Gangaraj, S. Ali Hassani Nguyen, Dan T |
| contents | Quantum gates are crucial for processing quantum information, but implementing them in a photonic platform poses unique challenges due to the peculiar way photons propagate and interfere. Here, we examine quantum photonic gates that utilize continuous time two-dimensional random walking photons. These gates can be implemented using the inverse design method, where photons randomly walk in a two-dimensional silicon host medium embedded with silicon dioxide scatterers. We propose a C-NOT gate as a multiqubit gate and an X-gate as a single qubit gate. In addition, we provide studying the non-trivial spatial correlations of random walking photons by utilizing the quantum correlation function. The results demonstrate high-fidelity probabilistic quantum gates. Further work is required to address error-correction. This work advances the practical implementation photonic elements in linear optics quantum computation schemes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_01592 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum Photonic Gates with Two-Dimensional Random Walkers Gangaraj, S. Ali Hassani Nguyen, Dan T Quantum Physics Optics Quantum gates are crucial for processing quantum information, but implementing them in a photonic platform poses unique challenges due to the peculiar way photons propagate and interfere. Here, we examine quantum photonic gates that utilize continuous time two-dimensional random walking photons. These gates can be implemented using the inverse design method, where photons randomly walk in a two-dimensional silicon host medium embedded with silicon dioxide scatterers. We propose a C-NOT gate as a multiqubit gate and an X-gate as a single qubit gate. In addition, we provide studying the non-trivial spatial correlations of random walking photons by utilizing the quantum correlation function. The results demonstrate high-fidelity probabilistic quantum gates. Further work is required to address error-correction. This work advances the practical implementation photonic elements in linear optics quantum computation schemes. |
| title | Quantum Photonic Gates with Two-Dimensional Random Walkers |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2410.01592 |