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Arrayed waveguide grating with increased uniformity of a performance parameter

机译：性能参数均匀性提高的阵列波导光栅

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摘要

An arrayed waveguide grating (AWG) device (1) comprising a substrate having a first array of waveguides (8) optically coupled between first and second slab couplers (3, 4) and a second array of input-output waveguides (10) optically coupled at first ends thereof to an input/output side (5) of the second slab-coupler (4). The input/output waveguide are tapered at first end portions (13) thereof so as to increase in width towards the second slap coupler, and the width (W) of the first ends of the input/output waveguides varies across the second array (10) in a manner so as to increase uniformity of at least on performance parameter, for example adjacent crosstalk (AXT). In the described embodiment, the width (W) of the tapered waveguide ends increases from one side to the array of input/output waveguides (10) to the other, so as to keep the separation (s) between the input/output waveguides.

机译：阵列波导光栅（AWG）器件（ 1 ），包括具有在第一平板耦合器和第二平板耦合器（ 3）之间光学耦合的第一波导阵列（ 8 ）的基板，4 ）和第二阵列的输入-输出波导（ 10 ）在其第一端光学耦合到天线的输入/输出侧（ 5 ）。第二个板坯耦合器（ 4 ）。输入/输出波导在其第一端部（ 13 ）处逐渐变细，从而朝向第二拍击耦合器的宽度增加，并且输入/输出波导的第一端的宽度（W）增加在第二个数组（ 10 ）上以某种方式变化，以便至少提高性能参数（例如相邻串扰（AXT））的均匀性。在所描述的实施例中，锥形波导端的宽度（W）从一侧到输入/输出波导阵列（ 10 ）到另一侧增加，以保持间隔（s）在输入/输出波导之间。 展开▼

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公开/公告号US7016568B2

专利类型

公开/公告日2006-03-21

原文格式PDF

申请/专利权人 HARM VAN WEERDEN;HINDRIK FREERK BULTHUIS;RICHARD IAN LAMING;
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申请/专利号US20040471420

发明设计人 HINDRIK FREERK BULTHUIS;RICHARD IAN LAMING;HARM VAN WEERDEN;
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申请日2002-03-11

分类号G02B6/34;

国家 US

入库时间 2022-08-21 21:42:27

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