Silicon photonics based 1 x 2 wavelength selective switch using fold-back arrayed-waveguide gratings

被引：5

作者：

Nakamura, Fumi ^{[1
]}

Asakura, Hideaki ^{[1
]}

Suzuki, Keijiro ^{[2
]}

Tanizawa, Ken ^{[2
,3
]}

Ohtsuka, Minoru ^{[2
]}

Yokoyama, Nobuyuki ^{[2
]}

Matsumaro, Kazuyuki ^{[2
]}

Seki, Miyoshi ^{[2
]}

Koshino, Keiji ^{[2
]}

Ikeda, Kazuhiro ^{[2
]}

Namiki, Shu ^{[2
]}

Kawashima, Hitoshi ^{[2
]}

Tsuda, Hiroyuki ^{[1
]}

机构：

[1] Keio Univ, Fac Sci & Technol, Dept Elect & Elect Engn, Kohoku Ku, 3-14-1 Hiyoshi, Yokohama, Kanagawa 2238522, Japan

[2] Natl Inst Adv Ind Sci & Technol, 16-1 Onogawa, Tsukuba, Ibaraki 3058569, Japan

[3] Tamagawa Univ, Quantum ICT Res Inst, 6-1-1 Tamagawagakuen, Machida, Tokyo 1948610, Japan

来源：

IEICE ELECTRONICS EXPRESS | 2018年 / 15卷 / 14期

关键词：

silicon photonics; optical switch; optical communication; arrayed waveguide grating; waveguide crossing; wavelength selective switch;

D O I：

10.1587/elex.15.20180532

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 report on a novel design of a wavelength selective switch (WSS) using silicon photonics technology. It comprises of 1 x 4 interleavers, arrayed-waveguide gratings (AWGs) connected to fold-back waveguides, and 1 x 2 optical Mach-Zehnder interferometer switches. In the proposed WSS, fold-back waveguides enable the AWGs to be used for both demultiplexing and multiplexing. Therefore the WSS has less waveguide crossings than a conventional configuration. Moreover, a 20-channel, 200-GHz spacing, 1 x 2 fold-back type WSS was fabricated on 5 mm x 10 mm SOI chip using CMOS technology.

引用

页数：7

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