期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 55, 期 11, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.55.110301
关键词
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资金
- NKRDP of China [2016YFA0301802]
- NSFC [91321310, 11274156, 11504165, 11474152, 61521001]
We propose an external driving, self-sustained oscillator based on superconducting resonators. The dynamics of the self-sustained oscillator can be described by a Duffing-van der Pol like equation. Under external driving, the self-sustained oscillator presents synchronization phenomena. We analytically and numerically investigate the synchronization regions, and the results show that the synchronization bandwidth can be quickly adjusted in situ by the external weak magnetic field in sub-nano seconds. Moreover, the system can re-stabilize in about 10 ns with a certain sudden change of driving frequency or the critical current of the superconducting quantum interference device (SQUID). These advantages allow the potential applications of self-sustained oscillators in timing reference, microwave communication and electromagnetic sensing. (C) 2016 The Japan Society of Applied Physics
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