Research on nonlinear compensation technology of wireless optical communication system

Xinsong Xue; Mei Liu; Guangwen Liu; Zhi Liu; Xiaolong Ni

doi:10.1117/12.2533879

17 May 2019 Research on nonlinear compensation technology of wireless optical communication system

Xinsong Xue, Mei Liu, Guangwen Liu, Zhi Liu, Xiaolong Ni

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 1117031 (2019) https://doi.org/10.1117/12.2533879
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

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.

Citation Download Citation

Xinsong Xue, Mei Liu, Guangwen Liu, Zhi Liu, and Xiaolong Ni "Research on nonlinear compensation technology of wireless optical communication system", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 1117031 (17 May 2019); https://doi.org/10.1117/12.2533879

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