dorsal/arxiv
View SchemaBuilding Gaussian Cluster States by Linear Optics
| Authors | Peter van Loock, Christian Weedbrook, Mile Gu |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0610119 |
| URL | https://arxiv.org/abs/quant-ph/0610119 |
| DOI | 10.1103/PhysRevA.76.032321 |
| Journal | Phys. Rev. A 76, 032321 (2007). |
Abstract
The linear optical creation of Gaussian cluster states, a potential resource for universal quantum computation, is investigated. We show that for any Gaussian cluster state, the canonical generation scheme in terms of QND-type interactions, can be entirely replaced by off-line squeezers and beam splitters. Moreover, we find that, in terms of squeezing resources, the canonical states are rather wasteful and we propose a systematic way to create cheaper states. As an application, we consider Gaussian cluster computation in multiple-rail encoding. This encoding may reduce errors due to finite squeezing, even when the extra rails are achieved through off-line squeezing and linear optics.
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"abstract": "The linear optical creation of Gaussian cluster states, a potential resource\nfor universal quantum computation, is investigated. We show that for any\nGaussian cluster state, the canonical generation scheme in terms of QND-type\ninteractions, can be entirely replaced by off-line squeezers and beam\nsplitters. Moreover, we find that, in terms of squeezing resources, the\ncanonical states are rather wasteful and we propose a systematic way to create\ncheaper states. As an application, we consider Gaussian cluster computation in\nmultiple-rail encoding. This encoding may reduce errors due to finite\nsqueezing, even when the extra rails are achieved through off-line squeezing\nand linear optics.",
"arxiv_id": "quant-ph/0610119",
"authors": [
"Peter van Loock",
"Christian Weedbrook",
"Mile Gu"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.76.032321",
"journal_ref": "Phys. Rev. A 76, 032321 (2007).",
"title": "Building Gaussian Cluster States by Linear Optics",
"url": "https://arxiv.org/abs/quant-ph/0610119"
},
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