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Gate-error-resilient quantum Steane codes

Gate-error-resilient quantum Steane codes
Gate-error-resilient quantum Steane codes
An encoderless quantum code is capable of connecting quantum information by replacing the encoder circuit with a fault-tolerant single-qubit gate arrangement. As a further benefit, in contrast to state preparation techniques, our encoderless scheme requires no prior knowledge of the input information, therefore totally unknown states can be encoded fault-tolerantly. Our encoderless quantum code delivers a frame error rate that is three orders of magnitude lower than that of the corresponding scheme relying on a non-fault-tolerant encoder, when the gate error probability is as high as 10 -3 .
2169-3536
179346 - 179362
Cane, Rosie
be46330d-a587-428e-b0e6-605010c4f694
Chandra, Daryus
d629163f-25d0-42fd-a912-b35cd93e8334
Ng, Soon Xin
e19a63b0-0f12-4591-ab5f-554820d5f78c
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Cane, Rosie
be46330d-a587-428e-b0e6-605010c4f694
Chandra, Daryus
d629163f-25d0-42fd-a912-b35cd93e8334
Ng, Soon Xin
e19a63b0-0f12-4591-ab5f-554820d5f78c
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Cane, Rosie, Chandra, Daryus, Ng, Soon Xin and Hanzo, Lajos (2020) Gate-error-resilient quantum Steane codes. IEEE Access, 179346 - 179362. (doi:10.1109/ACCESS.2020.3027638).

Record type: Article

Abstract

An encoderless quantum code is capable of connecting quantum information by replacing the encoder circuit with a fault-tolerant single-qubit gate arrangement. As a further benefit, in contrast to state preparation techniques, our encoderless scheme requires no prior knowledge of the input information, therefore totally unknown states can be encoded fault-tolerantly. Our encoderless quantum code delivers a frame error rate that is three orders of magnitude lower than that of the corresponding scheme relying on a non-fault-tolerant encoder, when the gate error probability is as high as 10 -3 .

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Accepted/In Press date: 26 September 2020
e-pub ahead of print date: 29 September 2020

Identifiers

Local EPrints ID: 446430
URI: http://eprints.soton.ac.uk/id/eprint/446430
ISSN: 2169-3536
PURE UUID: f56cbc7d-a02b-4989-aafd-d86369477b95
ORCID for Daryus Chandra: ORCID iD orcid.org/0000-0003-2406-7229
ORCID for Soon Xin Ng: ORCID iD orcid.org/0000-0002-0930-7194
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 09 Feb 2021 17:31
Last modified: 20 Feb 2021 03:01

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Contributors

Author: Rosie Cane
Author: Daryus Chandra ORCID iD
Author: Soon Xin Ng ORCID iD
Author: Lajos Hanzo ORCID iD

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