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

页码：588 / 590

页数：3

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