Zhuang Yunsheng, Pan Wei, Ye Jia, Li Peixuan, Tang Tang, Zou Xihua. Bidirectional Radio over Fiber System Based on Frequency-Quadrupled Vector Signal and Wavelength Reuse[J]. Chinese Journal of Lasers, 2018, 45(10): 1006005
- Chinese Journal of Lasers
- Vol. 45, Issue 10, 1006005 (2018)
Fig. 1. Bidirectional RoF system based on frequency-quadrupled vector signal generation and wavelength reuse technology
Fig. 2. Transmission spectrum of PM-FBG
Fig. 3. Optical spectrum of the 2nd-order sideband
Fig. 4. Electrical spectrum of the quadrupled-frequency signal
Fig. 5. Optical spectra of the two branches of the PBS in Sagnac loop. (a) Lower sideband modulated by vector signal; (b) upper un-modulated sideband
Fig. 6. Optical spectra at the BS. (a) Both sidebands used for downlink; (b) unmodulated sideband prepared for uplink
Fig. 7. Electrical spectra of QPSK signal obtained by the downlink frequency beating. (a) Loaded at 24 GHz; (b) loaded at 8 GHz
Fig. 8. BER curves, eye diagrams and constellation diagrams of the BTB and 6.15 km performance. (a) Downlink with QPSK modulation; (b) uplink with OOK modulation
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20