Parallel-Output Flat-Top Microring Arrays for WDM Demultiplexer Applications

被引：1
|
作者：
Zhou, Xi [1 ]
Chen, Kaixuan [2 ,3 ]
Liu, Liu [4 ]
机构：
[1] South China Normal Univ, South China Acad Adv Optoelect, Higher Educ Mega Ctr, Guangdong Prov Key Lab Opt Informat Mat & Technol, Guangzhou 510006, Peoples R China
[2] South China Normal Univ, South China Acad Adv Optoelect, Guangdong Prov Key Lab Opt Informat Mat & Technol, Guangzhou 510006, Peoples R China
[3] South China Normal Univ, Natl Ctr Int Res Green Optoelect, Higher Educ Mega Ctr, Guangzhou 510006, Peoples R China
[4] Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2023年 / 35卷 / 19期
基金：
中国国家自然科学基金;
关键词：
Microring; wavelength division multiplexing; silicon photonics; COUPLERS; FILTERS;
D O I：
10.1109/LPT.2023.3298841
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 letter, novel microring arrays with flat-top outputs are proposed and experimentally demonstrated on an integrated silicon platform for WDM demultiplexer applications. Multiple microrings in series have parallel-output and can be detected by a single photodetector, representing one channel response of WDM. The measured results show that the proposed 8-channel demultiplexer with 1.5 nm channel spacing exhibits a -11.7 dB crosstalk with an increase in bandwidth from 0.44 nm for a single ring to 1.18 nm. Theoretical analysis suggests that using second-order microrings can further improve the crosstalk to -25 dB.
引用
收藏
页码：1075 / 1078
页数：4
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