Author Affiliations
1College of Microelectronics, Faculty of Information Technology, Beijing University of Technology, Beijing 100124, China2State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China3School of Electronic, Electrical and Communication Engineering, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, Chinashow less
Fig. 1. (A) Schematic diagram and (B) principle of the proposed SBS-based arbitrarily phase coded microwave waveform transmitter.
Fig. 2. Measured optical spectra at the output of (a) DPDDMZM, (b) MZM, (c) HNLF, and (d) OBPF.
Fig. 3. (a) Time-domain waveform, (b) extracted phase information, (c) electrical spectrum, and (d) autocorrelation of the generated π phase coded microwave signal with RF carrier of 8 GHz and bit rate of 2 Gb/s.
Fig. 4. (a), (c), (e) Time-domain waveform and (b), (d), (f) extracted phase information of the generated 2 Gb/s at 8 GHz phase coded microwave signal with phase coding degrees of 130°, 80°, and 30°, respectively.
Fig. 5. (a), (d) Time-domain waveform, (b), (e) extracted phase information, and (c), (f) autocorrelation of the recovered 2 Gb/s at 8 GHz π phase coded signal after 25 km SMF transmission and optical attenuator.
Fig. 6. (a) Time-domain waveform, (b) extracted phase information, (c) electrical spectrum, and (d) autocorrelation of the generated π phase coded microwave signal with RF carrier of 16 GHz and bit rate of 4 Gb/s. (e), (g), (i) Time-domain waveform and (f), (h), (j) extracted phase information of the generated 4 Gb/s at 16 GHz phase coded microwave signal with phase coding degrees of 130°, 80°, and 30°, respectively.
Fig. 7. (a), (d) Time-domain waveform, (b), (e) extracted phase information, and (c), (f) autocorrelation of the recovered 4 Gb/s at 16 GHz π microwave signal after 25 km SMF transmission and optical attenuator, respectively.