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Proceedings Paper

Design of narrow channel spacing photonic wire AWG on SOI with three stigmatic points
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Paper Abstract

In this paper, an accurate Fourier Optics method of designing AWG demultiplexer based on high-index-contract Silicon-on-Insulator (SOI) materials is presented. The typical SOI photonic wire waveguide has a cross section of 400×340nm2 satisfying single-mode condition, and operating central wavelength is 1.5500μm. A three-stigmatic-points method is also applied in order to improve the accuracy, considering the aberration theory. Furthermore, our AWG has another important characteristic--the flat field of the output ports. In the example presented here, we design a 1×256 channel AWG with 0.1-nm channel spacing. The simulation result shows that the insert loss is almost 0dB for the central and peripheral output ports as well, representing a good uniformity. Meanwhile, the crosstalk to the adjacent channel is 14.4dB. Free spectral region (FSR) equals to 30nm as designed.

Paper Details

Date Published: 15 November 2010
PDF: 11 pages
Proc. SPIE 7847, Optoelectronic Devices and Integration III, 78470Y (15 November 2010); doi: 10.1117/12.869951
Show Author Affiliations
Ren Bai, Zhejiang Univ. (China)
Ao Shen, Zhejiang Univ. (China)
Yubo Li, Zhejiang Univ. (China)
Yinlei Hao, Zhejiang Univ. (China)
Xiaoqing Jiang, Zhejiang Univ. (China)
Jianyi Yang, Zhejiang Univ. (China)

Published in SPIE Proceedings Vol. 7847:
Optoelectronic Devices and Integration III
Xuping Zhang; Hai Ming; Alan Xiaolong Wang, Editor(s)

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