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	Broadband semiconductor optical amplifier structure
	MILLER, STEWART E.
	1988-12-27
著作权人	BELL COMMUNICATIONS RESEARCH, INC.
专利号	US4794346
国家	美国
文献子类	授权发明
其他题名	Broadband semiconductor optical amplifier structure
英文摘要	The broadband semiconductor optical amplifier fabricated in accordance with the teachings of the present invention comprises first and second active semiconductor regions (50, 51) disposed in tandem with each other, and means for injecting current (I1,I2) into the first and second active semiconductor regions to provide gain distributions over wavelength regions in the two active semiconductor regions which partially overlap to form a combined gain distribution over a wider range of wavelengths. Anti-reflection coatings (54, 55) are disposed on the extreme ends of the combined structure. Tuneable wavelength selective amplification over the wider range is achieved in various embodiments by including a tunable optical bandpass filter (53) or by including various tunable auxiliary light guiding structures (115, 116; 140; or 450) to which and from which light power is coupled from and to the active semiconductor regions of the amplifier, respectively.
公开日期	1988-12-27
申请日期	1988-01-26
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/42362]
专题	半导体激光器专利数据库
作者单位	BELL COMMUNICATIONS RESEARCH, INC.
推荐引用方式 GB/T 7714	MILLER, STEWART E.. Broadband semiconductor optical amplifier structure. US4794346. 1988-12-27.

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