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8 September 2011 Application of an optical DPSK detector in ultra-high speed data acquisition system
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Recently, differential phase-shift keying (DPSK) has become one of the considerable issues in the study of transmission formats over high-speed optical communication systems. In this paper, taking the rate of 10Gbit/s as an example, a balanced optical DPSK detector based on Mach-Zehnder delay interferometer (MZDI) is developed. With this detector as signal receiver, a data acquisition system which can receive 10Gbit/s optical DPSK signal is designed. Finally, the testing method and the experimental result of the optical data acquisition system are given. Result shows that the optical DPSK signal at 10Gbit/s can be successfully acquired by the system, with bit error rate (BER) less than 10-12.
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Hao Guo, Shao-jing Su, Jing Zhou, and Xiao-jun Guo "Application of an optical DPSK detector in ultra-high speed data acquisition system", Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 81910B (8 September 2011);

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