16 x 16 Silicon Optical Switch Based on Dual-Ring-Assisted Mach-Zehnder Interferometers

被引：66

作者：

Guo, Zhanzhi ^{[1
]}

Lu, Liangjun ^{[1
]}

Zhou, Linjie ^{[1
]}

Shen, Lin ^{[1
]}

Chen, Jianping ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Dept Elect Engn, Shanghai 200240, Peoples R China

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2018年 / 36卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Mach-Zehnder interferometer (MZI); microring resonator (MRR); optical switch; silicon photonics; WAVE-GUIDE; CROSS-CONNECT; NETWORKS; INTERCONNECTION; LITHOGRAPHY; RESONATORS; MODULE;

D O I：

10.1109/JLT.2017.2751562

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 paper, we report a nanosecond 16 x 16 silicon electro-optic switch chip based on a Benes architecture. The switch adopts dual-ring-assisted Mach-Zehnder interferometers as the basic building blocks. In each switch element, both TiN microheaters and PIN diodes are integrated for ring resonance alignment and high-speed switching, respectively. A transfer-matrix-based theoretical model is established to analyze the switch performances. The 16 x 16 switch is characterized by measuring the optical transmission spectra and quadrature phase-shift keying (QPSK) data transmission through 16 representative optical paths. The insertion loss of the entire switch chip is 10.6 +/- 1.7 dB and the crosstalk is less than -20.5 dB. The 32-Gb/s QPSK signal is successfully switched to different destination ports by reconfiguring the optical paths, verifying the signal integrity after switching.

引用

页码：225 / 232

页数：8

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