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

http://doi.org/10.1631/jzus.2007.A1346


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",
volume="8",
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pages="1346~1350",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A1346"
}

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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
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%D 2007
%I Zhejiang University Press & Springer
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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
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SP - 1346
EP - 1350
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A1346


Abstract: 
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

Reference

[1] Chen, W.Y., Yang, S.R., Liu, S.R., 2001. Optoelectronic Devices Circuit Model and the Circuit-Level Simulation of OEIC. National Defense Industry Press, Beijing, p.97-123, p.224-243 (in Chinese).

[2] Chen, G.C., Chen, W.Z., Luo, R.H., 2002. A 2.5 Gbps CMOS Laser Diode Driver with Preamphasis Technique. 2002 IEEE AP-ASIC, p.97-123.

[3] Chen, Y.L., 2005. Statistic Parameterized Control Loop for Compensating Power and Extinction Ratio of a Laser Diode. US Patent, No. 6909731, p.1-17.

[4] Fu, S.M., Chen, C.Y., 2006. DC-coupled burst-mode laser diode driver with automatic power control for 1.25Gbit/s PON System. Analog Integrated Circuits and Signal Processing, 46(2):159-164.

[5] Lin, C.H., Yao, I.C., Kuo, C.C., Jou, S.J., 2002. 2.5Gbps CMOS Laser Diode Driver with APC and Digitally Controlled Current Modulation. Proc. 2002 IEEE Asia-Pacific Conference, p.77-80.

[6] Martinez, C.G., Tan, Q.H., 2004. Controlling the Extinction Ratio of Optical Transmitters. US Patent, No. 6807209, p.1-9.

[7] Razavi, B., 2003. Design of Integrated Circuits for Optical Communication Systems. McGraw-Hill, New York, USA, p.40-45.

[8] Seshimo, T., 2004. Circuit for Generating Bias Current, Circuit for Driving Laser Diode, and Transmitter for Optical Communication. China Patent Application No. 200410038464.8, p.1-22 (in Chinese).

[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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