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Proceedings Paper

Fabrication of a multimode-interference-based multimode power splitter in glass
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Paper Abstract

Multimode Interference (MMI) based devices are widely used due to excellent performance. Here in this paper, a 1×2 multimode power splitter based on MMI is designed using three-dimensional beam propagation method (3D-BPM), and then fabricated in glass using the Ag+-Na+ ion-exchange technique. The width of the input and output multimode waveguides was 50μm and they were tapered to 75μm at the interface to the MMI region. The MMI region was also quadratically tapered .First, Ag+-Na+ ion exchange was run in nitrate melt at 350°C.Then an electric field was applied at 300°C so that the silver ions continued their migration award. Under the wavelength of 1550nm, the measured results showed that the propagation loss of multimode straight waveguide can be lower than 0.31dB/cm, and the insertion loss and uniformity of the splitter were 4.28dB and 0.21dB, respectively. Parameters of the fabrication process and structure of the device can be optimized to improve the performance of the device.

Paper Details

Date Published: 19 October 2010
PDF: 7 pages
Proc. SPIE 7847, Optoelectronic Devices and Integration III, 78470N (19 October 2010); doi: 10.1117/12.870755
Show Author Affiliations
Wei Xiang, Zhejiang Univ. (China)
Weiwei Zheng, Zhejiang Univ. (China)
Shuhang Jiang, Zhejiang Univ. (China)
Minghua Wang, Zhejiang Univ. (China)
Jianyi Yang, Zhejiang Univ. (China)
Yinlei Hao, Zhejiang Univ. (China)
Xiaoqing Jiang, 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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