Analysis of dual-microring-resonator cross-connect switches and modulators

被引:23
作者
Emelett, SJ [1 ]
Soref, RA [1 ]
机构
[1] USAF, Res Lab, Sensors Directorate, Hanscom AFB, MA 01731 USA
来源
OPTICS EXPRESS | 2005年 / 13卷 / 20期
关键词
D O I
10.1364/OPEX.13.007840
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Modeling and simulation results on new, resonant, waveguided 2 x 2 switches and 1 x 1 modulators are presented here. The devices employ two coupled microrings: one fixed and one floating. The fixed ring is coupled to bus waveguides that are crossed or are locally parallel. Electrooptic and thermooptic switching lambda = 1.55 mu m are investigated. A novel peaks-and-valley spectral response allows low-power switching with low crosstalk and low insertion loss. Complete switching is attained when the complex index of both rings is perturbed by Delta n similar to 4 x 10(-4). The modulator's optical output power is a linear function of Delta n over three to five decades of Delta n. (c) 2005 Optical Society of America.
引用
收藏
页码:7840 / 7853
页数:14
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