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Research on nonlinear compensation technology of wireless optical communication system
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Paper Abstract

In a wireless optical communication system, since the attenuation of the response of the light source becomes higher as the frequency of the signal is higher, it is more difficult to modulate the high frequency signal.In order to compensate for the attenuation of the frequency response of the light source when transmitting high frequency signals, we design a nonlinear compensation method acting on the transmitter of the wireless optical communication system based on cascaded transistor amplifier circuit. In order to verify the role of the nonlinear compensation method, we selected the blue LED as the light source and built a wireless optical communication system. The experimental results show that the nonlinear compensation method extends the 3dB modulation bandwidth of the system from 12MHz to 235MHz.

Paper Details

Date Published: 17 May 2019
PDF: 9 pages
Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 1117031 (17 May 2019); doi: 10.1117/12.2533879
Show Author Affiliations
Xue Xinsong, Changchun Univ. of Science and Technology (China)
Mei Liu, Changchun Univ. of Science and Technology (China)
Guangwen Liu, Changchun Univ. of Science and Technology (China)
Zhi Liu, Changchun Univ. of Science and Technology (China)
Xiaolong Ni, Changchun Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 11170:
14th National Conference on Laser Technology and Optoelectronics (LTO 2019)
Jianqiang Zhu; Weibiao Chen; Zhenxi Zhang; Minlin Zhong; Pu Wang; Jianrong Qiu, Editor(s)

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