Jing Li, Tigang Ning, Li Pei, Jingjing Zheng, Jian Sun, Yueqin Li, Jin Yuan. Quasi-optical single-sideband modulation with continuous carrier-to-sideband ratio tunability[J]. Chinese Optics Letters, 2015, 13(8): 080606
- Chinese Optics Letters
- Vol. 13, Issue 8, 080606 (2015)
Fig. 1. (a) Schematic setup of the proposed quasi-OSSB modulation approach. (b) Illustration of the operation principle in the frequency domain. (c) Evolution of the polarization state.
Fig. 2. The original CSR (in decibels) versus the modulation index m < 1
Fig. 3. The output CSR (in decibels) versus the polarizing angle θ m
Fig. 4. The required θ m
Fig. 5. Radio frequency power oscillation versus LUR. The insert denotes the simulated radio frequency power variation at different fiber lengths. (The radio frequency is f RF = 30 GHz D = 17 ps / km · nm α = 0.2 dB / km
Fig. 6. Spectrum response of the 50/100 GHz OI from B-C (dashed line) and from B-D (dotted line), REW = 0.01 nm
Fig. 7. (a) Optical spectra before (blue dotted line) and after (black real line) the OI (B-C) and the transmission response (red dashed line) of the OI. (b) Optical spectra before (blue dotted line) and after (black real line) the OI (B-D) and the transmission response (red dashed line) of the OI.
Fig. 8. Experimental optical spectra when CSR = 22
Fig. 9. Experimental optical spectra with different driving frequencies ƒ RF = 14
Fig. 10. Simulated radio frequency power versus CSR.
Fig. 11. Simulated BER curves and corresponding eye diagrams at BTB and 100 km SMF transmission.
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