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	Wide tuneable laser sources
	PAOLETTI, ROBERTO; AGRESTI, MICHELE; VALLONE, MARCO
	2007-10-02
著作权人	AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED
专利号	US7277462
国家	美国
文献子类	授权发明
其他题名	Wide tuneable laser sources
英文摘要	A tuneable laser assembly includes a substrate having formed thereon a plurality of tuneable lasers, waveguides, an optical coupler and an optical amplifier. The lasers have active sections and distributed Bragg reflector (DBR) tuning sections and are characterised by respective emission wavelengths and tuning ranges such that the laser assembly can be tuned over a quasi-continuous predetermined wavelength range. The DBR tuning sections have a length in the range of about 150-200 um, are of the same optical waveguide of the waveguides, a grating strength (KL) less than about 0,5 and a high reflective (HR) coated back facet enhancing the external quantum efficiency from each said tuning sections. The active sections have a length in the range of about 250-300 um comprised of a high-gain/low-loss multi quantum well (MQW) material. The lasers have a total DBR array length of about 500 um.
公开日期	2007-10-02
申请日期	2004-04-29
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/45799]
专题	半导体激光器专利数据库
作者单位	AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED
推荐引用方式 GB/T 7714	PAOLETTI, ROBERTO,AGRESTI, MICHELE,VALLONE, MARCO. Wide tuneable laser sources. US7277462. 2007-10-02.

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