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

Wang Huan; Wang Zhigong; Xu Jian; Luo Yin; Miao Peng; Yang Siyong; Li Wei

doi:10.1088/1674-4926/31/6/065014

J. Semicond. > 2010, Volume 31 > Issue 6 > 065014

SEMICONDUCTOR INTEGRATED CIRCUITS

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

Wang Huan, Wang Zhigong, Xu Jian, Luo Yin, Miao Peng, Yang Siyong and Li Wei

+ Author Affiliations

DOI: 10.1088/1674-4926/31/6/065014

Abstract: 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 turnon time of < 400 μs 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.

Key words: APC, LDD, turn-on time, SFP

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Wang Huan, Wang Zhigong, Xu Jian, Luo Yin, Miao Peng, Yang Siyong, Li Wei. A fast automatic power control circuit for a small form-factor pluggable laser diode drive[J]. Journal of Semiconductors, 2010, 31(6): 065014. doi: 10.1088/1674-4926/31/6/065014

Wang H, Wang Z G, Xu J, Luo Y, Miao P, Yang S Y, Li W. A fast automatic power control circuit for a small form-factor pluggable laser diode drive[J]. J. Semicond., 2010, 31(6): 065014. doi: 10.1088/1674-4926/31/6/065014.

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Received: 18 August 2015 Revised: 27 January 2010 Online: Published: 01 June 2010

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 turnon time of < 400 μs 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.

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