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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.8 P.1346-1350


A 155 Mbps laser diode driver with automatic power and extinction ratio control

Author(s):  CHEN Xiao-fei, ZOU Xue-cheng, LIN Shuang-xi, LIU Zheng-lin, JIN Hai

Affiliation(s):  Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; more

Corresponding email(s):   xfchen@whicc.com

Key Words:  Laser diode driver (LDD), Automatic power control (APC), Extinction ratio, Temperature compensation

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CHEN Xiao-fei, ZOU Xue-cheng, LIN Shuang-xi, LIU Zheng-lin, JIN Hai. A 155 Mbps laser diode driver with automatic power and extinction ratio control[J]. Journal of Zhejiang University Science A, 2007, 8(8): 1346-1350.

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author="CHEN Xiao-fei, ZOU Xue-cheng, LIN Shuang-xi, LIU Zheng-lin, JIN Hai",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%T A 155 Mbps laser diode driver with automatic power and extinction ratio control
%A CHEN Xiao-fei
%A ZOU Xue-cheng
%A LIN Shuang-xi
%A LIU Zheng-lin
%A JIN Hai
%J Journal of Zhejiang University SCIENCE A
%V 8
%N 8
%P 1346-1350
%@ 1673-565X
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A1346

T1 - A 155 Mbps laser diode driver with automatic power and extinction ratio control
A1 - CHEN Xiao-fei
A1 - ZOU Xue-cheng
A1 - LIN Shuang-xi
A1 - LIU Zheng-lin
A1 - JIN Hai
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 8
SP - 1346
EP - 1350
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.A1346

An integrated laser diode driver (LDD) driving an edge-emitting laser diode was designed and fabricated by 0.35 μm BiCMOS technology. This paper proposes a scheme which combines the automatic power control loop and temperature compensation for modulation current in order to maintain constant extinction ratio and average optical power. To implement temperature compensation for modulation current, a novel circuit which generates a PTAT current by using the injecting base current of a bipolar transistor in saturation region, and alternates the amplifier feedback loop (closed or not) to control the state of the current path is presented. Simulation results showed that programmed by choice of external resistors, the IC can provide modulation current from 5 mA to 85 mA with temperature compensation adjustments and independent bias current from 4 mA to 100 mA. Optical test results showed that clear eye-diagrams can be obtained at 155 Mbps, with the output optical power being nearly constant, and the variation of extinction ratio being lower than 0.7 dB.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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[9] Shastri, K.R., Royer, J.J., Yanushefski, K.A., Benjamin, R.F., 1991. 1.2Gb/s Integrated Laser Driver with Temperature Compensation for Modulation Current. Proc. IEEE Custom Integrated Circuits Conference, p.2751-2754.

[10] Zivojinovic, P., Lescure, M., Tap-Béteille, H., 2004. Design and stability analysis of a CMOS feedback laser driver. IEEE Trans. on Instrum. & Meas., 53(1):102-108.

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