KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Systematic Design and Realization of opto-electrical Predistortion Optical Transmitter based on Microwave Circuit Modeling for Radio-over-Fiber Systems
Authors	이태경(Lee, Tae-Kyeong) ; 김홍승(Kim, Hong-Seung) ; 오금윤(Oh, Guem-Yoon) ; 김두근(Kim, Doo-Gun) ; 최영완(Choi, Young-Wan)
DOI	https://doi.org/10.5370/KIEE.2011.60.4.823
Page	pp.823-828
ISSN	1975-8359
Keywords	Predistortion ; Intermodulation distortion ; Nonlinearity ; Distributed-feedback laser diode
Abstract	We have systematically designed and experimentally demonstrated the opto-electrical predistortion optical transmitter using microwave circuit modelling for reducing the nonlinearity of the distributed-feedback laser diode (DFD-LD). The DFB-LD is analyzed using microwave circuits model based on rate equations. Through the system-level simulation for predistortion method, the optimized characteristics of the RF components in the system are confirmed. The simulated and experimental results show the reduced distortion products. These results are analyzed as the evaluation parameters for the miniaturization and optimization of the opto-electrical predistortion method in radio-over-fiber systems.

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