Silicon Photonic Ring-Assisted MZI for 50 Gb/s DAC-Less and DSP-Free PAM-4 Transmission

被引：22

作者：

Li, Rui ^{[1
]}

Patel, David ^{[1
]}

Samani, Alireza ^{[1
]}

El-Fiky, Eslam ^{[1
]}

Xing, Zhenping ^{[1
]}

Morsy-Osman, Mohamed ^{[1
]}

Plant, David V. ^{[1
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, Photon Syst Grp, Montreal, PQ H3A 0E9, Canada

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2017年 / 29卷 / 12期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Electrooptic modulators; silicon photonics; optical interconnections; intensity modulation; MODULATOR; BANDWIDTH; AMPLITUDE; DESIGN;

D O I：

10.1109/LPT.2017.2702611

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：

We present the design and characterization of a silicon photonic ring-assisted Mach-Zehnder interferometer for four-level pulse amplitude modulation (PAM-4) short-reach transmission without the use of digital-to-analog converter (DAC) or digital signal processing (DSP). The PAM-4 optical signals are generated by driving two microring modulators with independent 2-level radio frequency signals. The device is operated at 25 Gbaud and the PAM-4 optical signals are transmitted over 2 km of standard single mode fiber. The bit error rate is estimated to be lower than the hard-decision forward error correction threshold of 3.8 x 10(-3), showing a successful DAC-less and DSP-free PAM-4 transmission at 50 Gb/s.

引用

页码：1046 / 1049

页数：4

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