Monolithic transformer and its application in a high-speed optical interconnect VCSEL driver

被引：0
|
作者：
Xiangliang Jin
Xiao Xiao
Yongfeng Sun
Huayan Pu
Yan Peng
Jun Luo
机构：
[1] Xiangtan University,School of Physics and Optoelectronics
[2] Hunan Normal University,School of Physics and Electronics
[3] Shanghai University,School of Mechatronic Engineering and Automation
来源：
Analog Integrated Circuits and Signal Processing | 2019年 / 99卷
关键词：
High-speed optical interconnect; Vertical cavity surface emitting laser driver; Monolithic transformer; Modeling;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A novel vertical cavity surface emitting laser (VCSEL) driver is presented for high-speed optical interconnect. At the output stage of the driver, a transformer is used to compensate the bandwidth limitations imposed by transistors, pads and packaging parasitic. At the same time, a monolithic transformer equivalent circuit model applied in the circuit design and simulation of the VCSEL driver is proposed. Using this model, the driver has been designed and fabricated, and measurement results show that the driver with monolithic transformer compensation achieves 25% rise time and 20% fall time reduction compared to the driver without transformer. The eye diagram has been improved considerably.
引用
收藏
页码：645 / 654
页数：9
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