1.5%-Δ athermal arrayed-waveguide grating multi/demultiplexer with very low loss groove design

被引：29
|
作者：
Kamei, S [1 ]
Iemura, K
Kaneko, A
Inoue, Y
Shibata, T
Takahashi, H
Sugita, A
机构：
[1] NTT Corp, NTT Photon Labs, Kanagawa 2430198, Japan
[2] NTT Elect Corp, Ibaraki 3110122, Japan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 03期
关键词：
demultiplexing; gratings; optical components; optical fiber communication; phased arrays; planar waveguides; waveguide filters; wavelength-division multiplexing;
D O I：
10.1109/LPT.2004.840990
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We describe a compact 1.5%-Delta athermal silica-based 100-GHz-spacing 16-channel arrayed-waveguide grating (AWG) multi/demultiplexer with a modified groove design for a very low excess loss. We propose new approaches for modifying the shape of the grooves and the arrayed waveguides and optimize the shape modifications for 1.5%-Delta waveguides. By employing this modified groove design, we greatly reduced the groove excess loss from 1.9 to 0.4 dB in the 1.5%-Delta athermal AWG.
引用
收藏
页码：588 / 590
页数：3
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