Geometry parameter optimization of large cross-sectional S-shaped bent rib waveguides for silicon based optical switches

Autoria(s): Li ZY (Li Zhi-Yong); Liu JW (Liu Jing-Wei); Yu JZ (Yu Jin-Zhong)
Data(s)

2007
Resumo

地址: Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
Identificador

http://ir.semi.ac.cn/handle/172111/9622

http://www.irgrid.ac.cn/handle/1471x/64223
Idioma(s)

英语
Fonte

Li, ZY (Li Zhi-Yong); Liu, JW (Liu Jing-Wei); Yu, JZ (Yu Jin-Zhong) .Geometry parameter optimization of large cross-sectional S-shaped bent rib waveguides for silicon based optical switches ,CHINESE PHYSICS LETTERS,MAR 2007,24 (3):744-746
Palavras-Chave #光电子学 #摘要: By using a genetic algorithm #geometry parameters of large cross-sectional S-bend rib waveguides are optimized aiming at the least total loss when the propagation loss is considered. Optimized results are presented as an example of S-bend rib waveguides based on silicon-on-insulator (SOI) 4 x 4 optical switches. The value of 2dB/cm is given to the propagation loss according to the experimental results. The simulation results indicate that the total loss drops from 1.0002dB down to 0.4375dB without considering a lateral offset. If the offset is adopted #the total loss reduces from 0.5463dB to 0.2365dB. In addition #the effect of the rib height ratio on the loss is analysed #and the optimal ratio is obtained to be 0.55.
Tipo

期刊论文
Acesso ao item digital