Li Weiping, Kong Miao, Shi Junting, Yu Jianjun. Multiple Radio Frequency Operation Based on a Modulator in a Radio-over-Fiber System[J]. Chinese Journal of Lasers, 2020, 47(11): 1106002
- Chinese Journal of Lasers
- Vol. 47, Issue 11, 1106002 (2020)
Fig. 1. Principle of simultaneous generation of independent optical RF signals with two different frequencies by a modulator. (a)--(d) corresponding simplified spectra at different nodes
Fig. 2. Experimental setup of generation of optical RF signals with two different frequencies by a single modulator
Fig. 3. Optical spectra (5 Gbaud QPSK at 30 GHz+5 Gbaud at 15 GHz, resolution of 0.01 nm). (a) DSB, after back to back; (b) DSB, after 80 km SMF; (c) SSB, after 80 km SMF
Fig. 4. BER curves of system
Fig. 5. Spectra of received signal.(a) DSB+BTB; (b) SSB+80 km SMF
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Table 1. Key device parameters in the experimental setup
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