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	Quantum circuit device and method for quantum operation
	OHSHIMA, TOSHIO
	2004-08-03
著作权人	FUJITSU LIMITED
专利号	US6770916
国家	美国
文献子类	授权发明
其他题名	Quantum circuit device and method for quantum operation
英文摘要	The quantum circuit device comprises: an asymmetrical coupled quantum dot of a main quantum dot 3a and an operational quantum dot 3b of a smaller size than the main quantum dot 3c; an asymmetrical coupled quantum dot of a main quantum dot 3c arranged at a distance which does not permit to substantially tunnel from the main quantum dot 3a, and an operation quantum dot 3d having a smaller size than the main quantum dot 3c and arranged at a distance which permits tunneling from the operational quantum dot 3b; and a laser device for applying to the asymmetrical coupled quantum dots a laser beam of a wavelength which resonates an inter-level energy the asymmetrical coupled quantum dots. In the sleep state, electron is present at the ground state of the main quantum dot, where no exchange interaction takes place, and in an operation, the electron is transited to an excited state of the operational quantum dot, whereby the operation is made by the exchange interactions between the adjacent operational quantum dots. Thus, relatively stable operations can be made.
公开日期	2004-08-03
申请日期	2002-03-19
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35471]
专题	半导体激光器专利数据库
作者单位	FUJITSU LIMITED
推荐引用方式 GB/T 7714	OHSHIMA, TOSHIO. Quantum circuit device and method for quantum operation. US6770916. 2004-08-03.

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