Tailoring fusion-based photonic quantum computing schemes to quantum emitters
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909621636038656 |
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| author | Chan, Ming Lai Bell, Thomas J. Pettersson, Love A. Chen, Susan X. Yard, Patrick Sørensen, Anders Søndberg Paesani, Stefano |
| author_facet | Chan, Ming Lai Bell, Thomas J. Pettersson, Love A. Chen, Susan X. Yard, Patrick Sørensen, Anders Søndberg Paesani, Stefano |
| contents | Fusion-based quantum computation is a promising quantum computing model where small-sized photonic resource states are simultaneously entangled and measured by fusion gates. Such operations can be readily implemented with scalable photonic hardware: resource states can be deterministically generated by quantum emitters and fusions require only shallow linear-optical circuits. Here, we propose fusion-based architectures tailored to the capabilities and noise models in quantum emitters. We show that high tolerance to dominant physical error mechanisms can be achieved, with fault-tolerance thresholds of 8% for photon loss, 4% for photon distinguishability between emitters, and spin noise thresholds well above memory-induced errors for typical spin-photon interfaces. Our construction and analysis provide guidelines for the development of photonic quantum hardware targeting fault-tolerant applications with quantum emitters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_06784 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Tailoring fusion-based photonic quantum computing schemes to quantum emitters Chan, Ming Lai Bell, Thomas J. Pettersson, Love A. Chen, Susan X. Yard, Patrick Sørensen, Anders Søndberg Paesani, Stefano Quantum Physics Fusion-based quantum computation is a promising quantum computing model where small-sized photonic resource states are simultaneously entangled and measured by fusion gates. Such operations can be readily implemented with scalable photonic hardware: resource states can be deterministically generated by quantum emitters and fusions require only shallow linear-optical circuits. Here, we propose fusion-based architectures tailored to the capabilities and noise models in quantum emitters. We show that high tolerance to dominant physical error mechanisms can be achieved, with fault-tolerance thresholds of 8% for photon loss, 4% for photon distinguishability between emitters, and spin noise thresholds well above memory-induced errors for typical spin-photon interfaces. Our construction and analysis provide guidelines for the development of photonic quantum hardware targeting fault-tolerant applications with quantum emitters. |
| title | Tailoring fusion-based photonic quantum computing schemes to quantum emitters |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2410.06784 |