Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 82, Issue 1, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.82.014004
Keywords
composite pulses; quantum gates; NMR
Categories
Funding
- Open Research Center Project for Private Universities
- Matching Fund Subsidy from the Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
- Japan Science Society
- Japan Society for the Promotion of Science [23540470]
- Grants-in-Aid for Scientific Research [23540470] Funding Source: KAKEN
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In NMR experiments and quantum computation, many pulse (quantum gate) sequences called the composite pulses, were developed to suppress one of two dominant errors; a pulse length error and an off-resonance error. We describe, in this paper, a general prescription to design a single-qubit concatenated composite pulse (CCCP) that is robust against two types of errors simultaneously. To this end, we introduce a new property, which is satisfied by some composite pulses and is sufficient to obtain a CCCP. Then we introduce a general method to design CCCPs with shorter execution time and less number of pulses.
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