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Simultaneous Radio-Frequency and Baseband Signal Transmission Over a Multimode Fiber
IEEE Photonics Journal ( IF 2.833 ) Pub Date : 2019-12-02 , DOI: 10.1109/jphot.2019.2957066
Tatsuya Ohtsuki; Takamitsu Aiba; Motoharu Matsuura

We present a simultaneous radio-frequency (RF) and high-speed baseband signal transmission using an electrically superimposed method over a graded-index silica multimode fiber (GI-MMF). To show the feasibility of the method, we experimentally demonstrate simultaneous transmission of electrically superimposed 28-GHz RF and 28-Gbit/s 4-level pulse amplitude modulation (PAM-4) baseband signals at a wavelength of 850 nm over a 50-m GI-MMF. Moreover, to evaluate the scalability of the method, we demonstrate simultaneous transmission of dual-channel, electrically superimposed 28-GHz RF and 14-Gbit/s non-return-to-zero on-off keying baseband signals at 850 nm and electrically superimposed 14-GHz RF and 14-Gbit/s PAM-4 baseband signals at 1550 nm over the 50-m GI-MMF. These results show that the presented method is useful for effectively utilizing the transmission band of transmitters and existing short-reach transmission systems.
更新日期:2019-12-20

 

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