CMOS-Compatible Si-Ring-Assisted Mach-Zehnder Interferometer With Internal Bandwidth Equalization

被引:31
作者
Gill, Douglas M. [1 ]
Patel, Sanjay S. [2 ]
Rasras, Mahmoud [1 ]
Tu, Kun-Yii [1 ]
White, Alice E. [1 ]
Chen, Young-Kai [1 ]
Pomerene, Andrew [3 ]
Carothers, Daniel [4 ]
Kamocsai, Robert L. [3 ]
Hill, Craig M. [3 ]
Beattie, James [5 ]
机构
[1] Alcatel Lucent, Bell Labs, Murray Hill, NJ 07974 USA
[2] Alcatel Lucent, CTO Fixed Access Div, Murray Hill, NJ 07974 USA
[3] BAE Syst, Microelect Dept Adv Digital Syst, Manassas, VA USA
[4] BAE Syst, Micro Elect Integrat Dept, Tucson, AZ 85737 USA
[5] BAE Syst, Adv Syst & Technol Electroopt Infrared Dept, Nashua, NH 03061 USA
关键词
Electrooptic modulation; integrated optics; integrated optoelectronics; resonators; ridged waveguides; SILICON OPTICAL MODULATOR; CARRIER-DEPLETION; RESONATOR;
D O I
10.1109/JSTQE.2009.2033210
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, to the best of our knowledge, the first electrooptic ring-assisted Mach-Zehnder interferometric (RAMZI) modulator in a CMOS-compatible technology. The RAMZI modulator is manufactured on a CMOS-compatible platform and entirely fabricated in a commercial CMOS foundry. We demonstrate a small-signal 3-dB bandwidth > 15 GHz in a silicon-based carrier-depletion modulator with a 2-V . cm V pi L product, which is approximately two times smaller than previously reported. We achieved a 10-Gb/s eye diagram with a 2-dB extinction ratio using a 4-Vp-p drive in a modulator with a 680-mu m optic/RF interaction region. In addition, we demonstrate internal bandwidth equalization within the tunable CMOS-compatible RAMZI modulator, and discuss the optical carrier and modulation sideband response, and relaxation characteristics that lead to this behavior within resonant modulators.
引用
收藏
页码:45 / 52
页数:8
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