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	Optical element and computing method using this element
	OGAWA KENSUKE; KATSUYAMA TOSHIO; YAMAZAKI MASAMI
	1990-08-22
著作权人	HITACHI LTD
专利号	JP1990211432A
国家	日本
文献子类	发明申请
其他题名	Optical element and computing method using this element
英文摘要	PURPOSE:To allow computation to be executed by the optical element which can be easily integrated and makes high-speed optical logical operations by constituting the optical system of a 1st light emitting element and a 2nd light emitting element which is optically coupled thereto and makes pulse oscillation. CONSTITUTION:Respective lasers 1, 2 oscillate at frequencies f1, f2 when the two lasers 1, 2 are not held optically coupled. The pulse repeating frequencies f1', f2' attain fractions in the ratio of f1' and f2' in the intermediate coupling region of a fractal state by the intensity of the interaction between the lasers when these lasers are optical coupled by an optical fiber 3. For example, the laser 1 for an oscillator is pulse-oscillated at 100MHz and the laser 2 for a driver is pulse-oscillated at 500MHz at this time. The exit light intensity of the laser 2 is increased and the frequency of the laser changes from 100MHz to 500MHz while the ratio thereof attains the fractional value. As a result, the fractional logical computation is executed.
公开日期	1990-08-22
申请日期	1989-02-13
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/63201]
专题	半导体激光器专利数据库
作者单位	HITACHI LTD
推荐引用方式 GB/T 7714	OGAWA KENSUKE,KATSUYAMA TOSHIO,YAMAZAKI MASAMI. Optical element and computing method using this element. JP1990211432A. 1990-08-22.

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