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	Method and apparatus to generate and monitor optical signals and control power levels thereof in a planar lightwave circuit
	BHOWMIK, ACHINTYA K.; VODRAHALLI, NAGESH K.; FARBER, GENNADY; LIU, HAI-FENG; ESLAMPOUR, HAMID; TRAN, UT; WONG, WILLIAM B.; LI, RUOLIN; JAYASWAL-ARENTOFF, JESPER
	2006-08-29
著作权人	INTEL CORPORATION
专利号	US7099360
国家	美国
文献子类	授权发明
其他题名	Method and apparatus to generate and monitor optical signals and control power levels thereof in a planar lightwave circuit
英文摘要	An optical transmitter includes an external cavity laser array formed in a PLC, a trench-based detector array and an AWG. The external cavity laser is formed using an array of substantially similar laser gain blocks and an array of gratings formed in waveguides connected to the gain blocks. Each grating defines the output wavelength for its corresponding external cavity laser. Each detector of the detector array includes a coupler to cause a portion of a corresponding laser output signal of the laser array to propagate through a first sidewall of a trench and reflect off a second sidewall of the trench to a photodetector. In one embodiment, the photodetector outputs a signal indicative of the power level of the reflected signal, which a controller uses to control the laser array to equalize the power of the laser output signals.
公开日期	2006-08-29
申请日期	2003-02-03
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/41747]
专题	半导体激光器专利数据库
作者单位	INTEL CORPORATION
推荐引用方式 GB/T 7714	BHOWMIK, ACHINTYA K.,VODRAHALLI, NAGESH K.,FARBER, GENNADY,et al. Method and apparatus to generate and monitor optical signals and control power levels thereof in a planar lightwave circuit. US7099360. 2006-08-29.

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