dorsal/arxiv
View SchemaDiluted maximum-likelihood algorithm for quantum tomography
| Authors | Jaroslav Rehacek, Zdenek Hradil, E. Knill, A. I. Lvovsky |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0611244 |
| URL | https://arxiv.org/abs/quant-ph/0611244 |
| DOI | 10.1103/PhysRevA.75.042108 |
| Journal | Physical Review A 75, 042108 (2007) |
Abstract
We propose a refined iterative likelihood-maximization algorithm for reconstructing a quantum state from a set of tomographic measurements. The algorithm is characterized by a very high convergence rate and features a simple adaptive procedure that ensures likelihood increase in every iteration and convergence to the maximum-likelihood state. We apply the algorithm to homodyne tomography of optical states and quantum tomography of entangled spin states of trapped ions and investigate its convergence properties.
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"abstract": "We propose a refined iterative likelihood-maximization algorithm for\nreconstructing a quantum state from a set of tomographic measurements. The\nalgorithm is characterized by a very high convergence rate and features a\nsimple adaptive procedure that ensures likelihood increase in every iteration\nand convergence to the maximum-likelihood state.\n We apply the algorithm to homodyne tomography of optical states and quantum\ntomography of entangled spin states of trapped ions and investigate its\nconvergence properties.",
"arxiv_id": "quant-ph/0611244",
"authors": [
"Jaroslav Rehacek",
"Zdenek Hradil",
"E. Knill",
"A. I. Lvovsky"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.75.042108",
"journal_ref": "Physical Review A 75, 042108 (2007)",
"title": "Diluted maximum-likelihood algorithm for quantum tomography",
"url": "https://arxiv.org/abs/quant-ph/0611244"
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