Enhanced Broadband Parametric Wavelength Conversion in Silicon Waveguide With the Multi-Period Grating

被引：9

作者：

Zhang, Xianting ^{[1
]}

Yuan, Jinhui ^{[1
,3
]}

Zou, Jiaxiu ^{[2
]}

Jin, Boyuan ^{[1
]}

Sang, Xinzhu ^{[1
]}

Wu, Qiang ^{[1
,4
]}

Yu, Chongxiu ^{[1
]}

Farrell, Gerald ^{[4
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China

[3] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Photon Res Ctr, Kowloon, Hong Kong, Peoples R China

[4] Dublin Inst Technol, Sch Elect & Commun Engn, Photon Res Ctr, Dublin 8, Ireland

来源：

IEEE PHOTONICS JOURNAL | 2014年 / 6卷 / 06期

基金：

爱尔兰科学基金会; 中国国家自然科学基金;

关键词：

Multi-period grating; quasi-phase matching (QPM); silicon-on-insulator (SOI); wavelength conversion; DISPERSION; GAIN; GENERATION; MODULATION; ABSORPTION;

D O I：

10.1109/JPHOT.2014.2366150

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：

In this paper, a novel silicon-on-insulator (SOI) waveguide with the multiperiod vertical grating is proposed to realize broadband parametric wavelength conversion with a quasi-phase matching technique. The grating period in the former part of the SOI waveguide is optimized to enhance the conversion efficiency at designated signal wavelength and the 3-dB bandwidth. When the continuous-wave pump at 1550 nm is used, the conversion efficiency of -14.0 dB at 1750 nm and the 3-dB bandwidth of 387 nm can be obtained. Compared to the constant-width waveguide, the improvements of 26.7 dB and 298 nm are achieved, respectively. The results show that this SOI waveguide is an ideal device for broadband wavelength conversion without dispersion engineering.

引用

页数：10

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