dorsal/arxiv
View SchemaNon-Gaussian states for continuous variable quantum computation via Gaussian maps
| Authors | Shohini Ghose, Barry C. Sanders |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0606026 |
| URL | https://arxiv.org/abs/quant-ph/0606026 |
| DOI | 10.1080/09500340601101575 |
| Journal | Journal of Modern Optics, 54, 855 (2007) |
Abstract
We investigate non-Gaussian states of light as ancillary inputs for generating nonlinear transformations required for quantum computing with continuous variables. We consider a recent proposal for preparing a cubic phase state, find the exact form of the prepared state and perform a detailed comparison to the ideal cubic phase state. We thereby identify the main challenges to preparing an ideal cubic phase state and describe the gates implemented with the non-ideal prepared state. We also find the general form of operations that can be implemented with ancilla Fock states, together with Gaussian input states, linear optics and squeezing transformations, and homodyne detection with feed forward, and discuss the feasibility of continuous variable quantum computing using ancilla Fock states.
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"abstract": "We investigate non-Gaussian states of light as ancillary inputs for\ngenerating nonlinear transformations required for quantum computing with\ncontinuous variables. We consider a recent proposal for preparing a cubic phase\nstate, find the exact form of the prepared state and perform a detailed\ncomparison to the ideal cubic phase state. We thereby identify the main\nchallenges to preparing an ideal cubic phase state and describe the gates\nimplemented with the non-ideal prepared state. We also find the general form of\noperations that can be implemented with ancilla Fock states, together with\nGaussian input states, linear optics and squeezing transformations, and\nhomodyne detection with feed forward, and discuss the feasibility of continuous\nvariable quantum computing using ancilla Fock states.",
"arxiv_id": "quant-ph/0606026",
"authors": [
"Shohini Ghose",
"Barry C. Sanders"
],
"categories": [
"quant-ph"
],
"doi": "10.1080/09500340601101575",
"journal_ref": "Journal of Modern Optics, 54, 855 (2007)",
"title": "Non-Gaussian states for continuous variable quantum computation via Gaussian maps",
"url": "https://arxiv.org/abs/quant-ph/0606026"
},
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