동향

전자통신동향분석 Vol.35 No.2 (79) 양자점 큐비트 기반 양자컴퓨팅의 국외 연구 동향 분석

분야

전기/전자,정보/통신

발행기관

한국전자통신연구원

발행일

2020.04.01

URL


- 초록
Quantum computing is regarded as one of the revolutionary computing technologies, and has attracted considerable attention in various fields, such as finance, chemistry, and medicine. One of the promising candidates to realize fault tolerant quantum computing is quantum dot qubits, due to their expectation of high scalability. In this study, we briefly introduce the international tendencies for quantum dot quantum computing. First, the current status of quantum dot gate operations is summarized. In most systems, over 99% of single qubit gate operation is realized, and controlled-not and controlled-phase gates as 2-qubit entangling gates are demonstrated in quantum dots. Second, several approaches to expand the number of qubits are introduced, such as 1D and 2D arrays and long-range interaction. Finally, the current quantum dot systems are evaluated for conducting quantum computing in terms of their number of qubits and gate accuracies. Quantum dot quantum computing is expected to implement scalable quantum computing. In the noisy intermediate-scale quantum era, quantum computing will expand its applications, enabling upcoming questions such as a fault-tolerant quantum computing architecture and error correction scheme to be addressed.

Ⅰ. 서론
Ⅱ. 큐비트의 정의 및 평가
Ⅲ. 연구개발 동향
Ⅳ. 반도체 양자점 기반의 양자컴퓨팅 전망
V. 결론
용어해설
약어 정리
 

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