Minimizing resource overhead in fusion-based quantum computation using hybrid spin-photon devices
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866917155325345792 |
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| author | Wein, Stephen C. de Brugière, Timothée Goubault Music, Luka Senellart, Pascale Bourdoncle, Boris Mansfield, Shane |
| author_facet | Wein, Stephen C. de Brugière, Timothée Goubault Music, Luka Senellart, Pascale Bourdoncle, Boris Mansfield, Shane |
| contents | We present three schemes for constructing a (2,2)-Shor-encoded 6-ring photonic resource state for fusion-based quantum computing, each relying on a different type of photon source. We benchmark these architectures by analyzing their ability to achieve the loss tolerance threshold for fusion-based quantum computation using the target resource state. More precisely, we estimate their minimum hardware requirements for fault-tolerant quantum computation in terms of the number of photon sources to achieve on-demand generation of resource states with a desired generation period. Notably, we find that a group of 12 deterministic single-photon sources containing a single matter qubit degree of freedom can produce the target resource state near-deterministically by exploiting entangling gates that are repeated until success. The approach is fully modular, eliminates the need for lossy large-scale multiplexing, and reduces the overhead for resource-state generation by several orders of magnitude compared to architectures using heralded single-photon sources and probabilistic linear-optical entangling gates. Our work shows that the use of deterministic single-photon sources embedding a qubit substantially shortens the path toward fault-tolerant photonic quantum computation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_08611 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Minimizing resource overhead in fusion-based quantum computation using hybrid spin-photon devices Wein, Stephen C. de Brugière, Timothée Goubault Music, Luka Senellart, Pascale Bourdoncle, Boris Mansfield, Shane Quantum Physics We present three schemes for constructing a (2,2)-Shor-encoded 6-ring photonic resource state for fusion-based quantum computing, each relying on a different type of photon source. We benchmark these architectures by analyzing their ability to achieve the loss tolerance threshold for fusion-based quantum computation using the target resource state. More precisely, we estimate their minimum hardware requirements for fault-tolerant quantum computation in terms of the number of photon sources to achieve on-demand generation of resource states with a desired generation period. Notably, we find that a group of 12 deterministic single-photon sources containing a single matter qubit degree of freedom can produce the target resource state near-deterministically by exploiting entangling gates that are repeated until success. The approach is fully modular, eliminates the need for lossy large-scale multiplexing, and reduces the overhead for resource-state generation by several orders of magnitude compared to architectures using heralded single-photon sources and probabilistic linear-optical entangling gates. Our work shows that the use of deterministic single-photon sources embedding a qubit substantially shortens the path toward fault-tolerant photonic quantum computation. |
| title | Minimizing resource overhead in fusion-based quantum computation using hybrid spin-photon devices |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2412.08611 |