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US06728442B2 Controlling the dispersion and passband characteristics of an arrayed waveguide grating 有权
标题翻译：控制阵列波导光栅的色散和通带特性
公开(公告)号：US06728442B2
公开(公告)日：2004-04-27
申请号：US09965677
申请日：2001-09-27
申请人： Mark Missey , Bart Fondeur , Anca Sala
发明人： Mark Missey , Bart Fondeur , Anca Sala
IPC分类号： G02B634
CPC分类号： G02B6/12016
摘要： A method for designing an arrayed waveguide grating that includes input and output couplers, input and output slabs, and a plurality of arms connecting the input and output slabs includes steps of determining a desired amplitude response for the arrayed waveguide grating. A desired dispersion response for the arrayed waveguide grating is determined. Input and output couplers are designed to produce the desired amplitude response. The lengths of the arms of the arrayed waveguide grating are perturbed to produce a flat or linear dispersion. In addition, the polarity of a group delay, dispersion and dispersion slope response of an arrayed waveguide grating can also be changed by adjusting Individual lengths of the waveguide arms. The group delay, dispersion and dispersion slope of a multiplexer and a demultiplexer can be matched to substantially cancel.
摘要翻译：一种用于设计包括输入和输出耦合器，输入和输出板以及连接输入和输出板的多个臂的阵列波导光栅的方法包括确定阵列波导光栅所需幅度响应的步骤。确定阵列波导光栅所需的色散响应。输入和输出耦合器设计用于产生所需的幅度响应。阵列波导光栅的臂的长度被扰动以产生平坦或线性色散。此外，阵列波导光栅的群延迟，色散和色散斜率响应的极性也可以通过调整波导臂的单独长度来改变。可以匹配多路复用器和解复用器的组延迟，色散和色散斜率以基本上消除。

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