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	Method of determining the zero dispersion wavelength of an optical waveguide
	VEITH, GUSTAV; BULOW, HENNING
	1996-09-17
著作权人	ALCATEL N.V.
专利号	US5557694
国家	美国
文献子类	授权发明
其他题名	Method of determining the zero dispersion wavelength of an optical waveguide
英文摘要	It is necessary to know the zero dispersion wavelength lambda 0, to ensure the reliable transmission of high bit-rate frequency signals via remote transmission paths. The method for determining the zero dispersion wavelength of an optical waveguide knowingly utilizes a disturbing effect that is undesirable in optical communications transmission techniques, which is able to lower the transmission quality. This effect is the so-called four-wave mixing, or in special cases a partially degenerated four-wave mixing. The method couples two light signals of different wavelengths ( lambda 1, lambda 2) into an optical waveguide (4). A mixing product which occurs in the optical waveguide as a result of a partially degenerated four-wave mixing is evaluated by an analyzer (3). The wavelength of one of the two light signals is selectively varied until the optical output of the mixing product reaches a maximum. At that point the wavelength of this light signal coincides with the zero dispersion wavelength lambda 0.
公开日期	1996-09-17
申请日期	1995-03-24
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36243]
专题	半导体激光器专利数据库
作者单位	ALCATEL N.V.
推荐引用方式 GB/T 7714	VEITH, GUSTAV,BULOW, HENNING. Method of determining the zero dispersion wavelength of an optical waveguide. US5557694. 1996-09-17.

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