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	External light feedback semiconductor laser using optical fiber
	YAMAZAKI SHUNTARO
	1987-03-11
著作权人	NEC CORP
专利号	JP1987055983A
国家	日本
文献子类	发明申请
其他题名	External light feedback semiconductor laser using optical fiber
英文摘要	PURPOSE:To emit laser light preferably having a narrow spectral width while suppressing multimode oscillation and intensity noise by bonding a ring resonator to an optical fiber feedback system. CONSTITUTION:A laser light from a semiconductor laser 1 is also emitted to a feedback type optical fiber 2, and the laser 1 is controlled to be fed back to increase the narrow spectrum of the emitted light. A ring resonator 7 formed of an optical fiber is bonded to the fiber 1 to compositely feedback it. The mode interval is increased from 333MHz to 33GHz to emit the laser light preferably having a narrow width while substantially suppressing multimode oscillation and intensity noise.
公开日期	1987-03-11
申请日期	1985-09-05
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/62998]
专题	半导体激光器专利数据库
作者单位	NEC CORP
推荐引用方式 GB/T 7714	YAMAZAKI SHUNTARO. External light feedback semiconductor laser using optical fiber. JP1987055983A. 1987-03-11.

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