dorsal/arxiv
View SchemaErasure Thresholds for Efficient Linear Optics Quantum Computation
| Authors | Marcus Silva |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0405112 |
| URL | https://arxiv.org/abs/quant-ph/0405112 |
Abstract
Using an error models motivated by the Knill, Laflamme, Milburn proposal for efficient linear optics quantum computing [Nature 409,46--52, 2001], error rate thresholds for erasure errors caused by imperfect photon detectors using a 7 qubit code are derived and verified through simulation. A novel method -- based on a Markov chain description of the erasure correction procedure -- is developed and used to calculate the recursion relation describing the error rate at different encoding levels from which the threshold is derived, matching threshold predictions by Knill, Laflamme and Milburn [quant-ph/0006120, 2000]. In particular, the erasure threshold for gate failure rate in the same order as the measurement failure rate is found to be above 1.78%.
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"abstract": "Using an error models motivated by the Knill, Laflamme, Milburn proposal for\nefficient linear optics quantum computing [Nature 409,46--52, 2001], error rate\nthresholds for erasure errors caused by imperfect photon detectors using a 7\nqubit code are derived and verified through simulation. A novel method -- based\non a Markov chain description of the erasure correction procedure -- is\ndeveloped and used to calculate the recursion relation describing the error\nrate at different encoding levels from which the threshold is derived, matching\nthreshold predictions by Knill, Laflamme and Milburn [quant-ph/0006120, 2000].\nIn particular, the erasure threshold for gate failure rate in the same order as\nthe measurement failure rate is found to be above 1.78%.",
"arxiv_id": "quant-ph/0405112",
"authors": [
"Marcus Silva"
],
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"quant-ph"
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"title": "Erasure Thresholds for Efficient Linear Optics Quantum Computation",
"url": "https://arxiv.org/abs/quant-ph/0405112"
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