Mach--Zehnder Interferometers with Asymmetric Modulation Arms in Applications of High Speed Silicon-on-Insulator Based Optical Switches
SUN Fei, YU Jin-Zhong
National Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
Mach--Zehnder Interferometers with Asymmetric Modulation Arms in Applications of High Speed Silicon-on-Insulator Based Optical Switches
SUN Fei;YU Jin-Zhong
National Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
关键词 ：
42.82.Ds ,
42.82.Et
Abstract ： Modulation arms with different widths are introduced to Mach--Zehnder interferometers (MZIs) to obtain improved performance. Theoretical analysis and numerical simulation have shown that when the widths of the two arms are properly designed to achieve an inherent mπ/2 (m is an odd integer) optical phase difference between the arms, the asymmetric MZI presents higher modulation speed. Furthermore, the carrier-absorption induced divergence of insertion losses in silicon-on-insulator (SOI) based MZI optical switches can be obviously improved.
Key words ：
42.82.Ds
42.82.Et
出版日期: 2006-04-01
:
42.82.Ds
(Interconnects, including holographic interconnects)
42.82.Et
(Waveguides, couplers, and arrays)
引用本文:
SUN Fei;YU Jin-Zhong. Mach--Zehnder Interferometers with Asymmetric Modulation Arms in Applications of High Speed Silicon-on-Insulator Based Optical Switches[J]. 中国物理快报, 2006, 23(4): 868-870.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I4/868
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2006, Vol. 23 
