Control of group velocity in an annular chain of microring coupled-resonator optical waveguides

被引：4
作者：
Tian He [1 ]
Zhang YunDong [1 ]
Wang Nan [1 ]
Yuan Ping [1 ]
机构：
[1] Harbin Inst Technol, Inst Optoelect, Harbin 150080, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2007年 / 52卷 / 22期
关键词：
group velocity; annular chain; microring optical waveguides; transfer matrix method;
D O I：
10.1007/s11434-007-0479-3
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In order to control group velocity, an annular chain of microring coupled-resonator optical waveguides was analyzed, and its transmission spectra were obtained using the transfer matrix method. The result showed that the curvature of the chain caused the dispersion curves to shift and the resonance frequency got fixed. It is therefore concluded that the group velocity of light in the annular chain of microring coupled-resonator optical waveguides can be controlled by adjusting the curvature of the chain. We believe that such an annular chain can be used as an optical buffer or signal retarder for optical communication.
引用
收藏
页码：3047 / 3050
页数：4
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