发明名称 |
Slanted Bragg Grating gain flattening filter having spatially overlapping elementary filters and a manufacturing method therefor |
摘要 |
An optical filter comprises a waveguide and a plurality of Slanted Bragg Gratings written in the waveguide, wherein at least two of the Slanted Bragg Gratings overlap one another. A method of producing an optical filter comprises the steps of passing an ultraviolet light through a first portion of a chirped phase mask onto a first portion of a photosensitive waveguide so as to form a first Slanted Bragg Grating in the first portion of the waveguide and passing the ultraviolet light through a second portion of the chirped phase mask onto a second portion of the photosensitive waveguide so as to form a second Slanted Bragg Grating in the second portion of the waveguide, wherein the first and second Slanted Bragg Gratings overlap one another. A further annealing step may cause a spectrum of the filter to match a target spectrum.
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申请公布号 |
US2006045422(A1) |
申请公布日期 |
2006.03.02 |
申请号 |
US20040928293 |
申请日期 |
2004.08.26 |
申请人 |
PROVOST LIONEL A;MOLINA MARIANNE;BONNET XAVIER;DE BARROS CARLOS L |
发明人 |
PROVOST LIONEL A.;MOLINA MARIANNE;BONNET XAVIER;DE BARROS CARLOS L. |
分类号 |
G02B6/34 |
主分类号 |
G02B6/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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