A fast automatic power control circuit for a small form-factor pluggable laser diode drive

A fast automatic power control（APC） circuit for a laser diode driver（LDD） has been implemented in a 0.6-μm BiCMOS process.The APC circuit adopts double-loops and variable-bandwidth techniques to achieve a turn- on time of 〈 400 /as for most kinds of TOSAs.Thus,it meets the small form-factor pluggabl...

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Bibliographic Details
Published in:Journal of semiconductors 2010-06, Vol.31 (6), p.146-150
Main Author: 王欢 王志功 徐建 罗寅 苗澎 杨思勇 李伟
Format: Article
Language:English
Subjects:
APC电路
BiCMOS工艺
可变带宽技术
可插拔
外形
激光二极管
自动功率控制
驱动电路
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Summary:A fast automatic power control（APC） circuit for a laser diode driver（LDD） has been implemented in a 0.6-μm BiCMOS process.The APC circuit adopts double-loops and variable-bandwidth techniques to achieve a turn- on time of 〈 400 /as for most kinds of TOSAs.Thus,it meets the small form-factor pluggable（SFP） agreement.Such techniques make a good tradeoff between stability,accuracy,turn-on time,noise and convenience.The measured results indicate that the APC circuit is suitable for SFP LDD.
ISSN:1674-4926
DOI:10.1088/1674-4926/31/6/065014