Encoding scheme using quantum dots for single logical qubit information onto four-photon decoherence-free states
- Authors
- Heo, Jino; Hong, Changho; Kang, Min-Sung; Yang, Hyung-Jin
- Issue Date
- 18-9월-2020
- Publisher
- NATURE RESEARCH
- Citation
- SCIENTIFIC REPORTS, v.10, no.1
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCIENTIFIC REPORTS
- Volume
- 10
- Number
- 1
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/53136
- DOI
- 10.1038/s41598-020-71072-0
- ISSN
- 2045-2322
- Abstract
- We designed an encoding scheme, using quantum dots (QDs), for single logical qubit information by encoding quantum information onto four-photon decoherence-free states to acquire immunity against collective decoherence. The designed scheme comprised of QDs, confined in single-sided cavities (QD-cavity systems), used for arbitrary quantum information, encoded onto four-photon decoherence-free states (logical qubits). For our scheme, which can generate the four-photon decoherence-free states, and can encode quantum information onto logical qubits, high efficiency and reliable performance of the interaction between the photons and QD-cavity systems is essential. Thus, through our analysis of the performance of QD-cavity systems under vacuum noise and sideband leakage, we demonstrate that the encoding scheme for single logical qubit information could be feasibly implemented.
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Collections - College of Science and Technology > Semiconductor Physics in Division of Display and Semiconductor Physics > 1. Journal Articles
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