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	Optical modulator system
	EVANS, GARY A.
	2004-03-30
著作权人	CHEMTRON RESEARCH LLC
专利号	US6714575
国家	美国
文献子类	授权发明
其他题名	Optical modulator system
英文摘要	A modulation technique for optical signals. A laser diode having an outcoupling grating in the waveguide between two reflectors is provided. A second waveguide is positioned next to the first waveguide. The first end of the second waveguide is optically connected to the first waveguide on one side of the outcoupling grating, while the second end of the second waveguide is optically connected to the first waveguide on the other side of the outcoupling grating. Switches are provided that control the amount of light coupled between the waveguides. For example, when the switches are in a first state, no light is coupled between the two waveguides, and all the light stays in the laser diode or is coupled out of the outcoupling grating, while none of the light couples into the second grating; and when the switches are in a second state, some or all of the light from the first waveguide is coupled into the second waveguide. By toggling the states of the switches, the light emitted from the laser diode is modulated.
公开日期	2004-03-30
申请日期	2002-03-05
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/42125]
专题	半导体激光器专利数据库
作者单位	CHEMTRON RESEARCH LLC
推荐引用方式 GB/T 7714	EVANS, GARY A.. Optical modulator system. US6714575. 2004-03-30.

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