32-Gb/s OOK and 64-Gb/s PAM-4 Modulation Using a Single-Drive Silicon Mach-Zehnder Modulator with 2 V Drive Voltage

被引：12
|
作者：
Zhou, Gangqiang [1 ]
Zhou, Linjie [1 ]
Guo, Yuyao [1 ]
Chen, Shuhuang [1 ]
Lu, Liangjun [1 ]
Liu, Lei [2 ]
Chen, Jianping [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, State Key Lab Adv Opt Commun Syst & Networks, Shanghai Key Lab Nav & Locat Serv,Shanghai Inst A, Shanghai 200240, Peoples R China
[2] Huawei Technol Co Ltd, Transmiss Technol Res Dept, Shenzhen 518129, Guangdong, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2019年 / 11卷 / 06期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Silicon modulator; silicon photonics; Mach-Zehnder modulator; PAM-4; modulation; OOK modulation; U-shaped PN junction; high modulation efficiency; MICRORING MODULATOR; PUSH-PULL; DAC-LESS; PERFORMANCE; JUNCTIONS; DESIGN;
D O I：
10.1109/JPHOT.2019.2954597
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 demonstrate a high-efficiency silicon Mach-Zehnder modulator with U-shaped PN junctions. The depletion region of the U-shaped PN junction has a large overlap with the waveguide optical mode, leading to a low drive voltage. The calculated modulation efficiency is 0.33 V center dot cm at 0 V bias and 0.55 V center dot cm at -2 V bias. On-off keying (OOK) modulation and four-level pulse amplitude modulation (PAM-4) are achieved at 32 Gb/s and 64 Gb/s data rates under 2 V drive voltage, respectively. The bit error rate for the PAM-4 modulation is below the hard-decision forward error correction threshold of 3.8 x 10(-3).
引用
收藏
页数：10
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