Yishi Han, Wujin Luo, Shengchao Xie, Changsheng Zeng, Chixuan Fan, Zhongkun Li. Photonic Generation of Microwave Waveforms Based on Dual Parallel Phase Modulator[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2306007
- Laser & Optoelectronics Progress
- Vol. 58, Issue 23, 2306007 (2021)
Fig. 1. System structure and optical spectra at different positions of photonic arbitrary waveform generation scheme. (a) Structure of the proposed system; (b) optical spectra of generating square, trapezoid, and triangular waveforms; (c) optical spectra of generating sawtooth waveform
Fig. 2. Relationship between RMSE curves of each waveform and number of Fourier series components.（a）Triangular waveform；（b）sawtooth waveform；（c）square waveform；（d）trapezoid waveform
Fig. 3. Time-frequency diagrams of triangular waveform with different repetition rate. (a)(e) 10 GHz; (b)(f) 15 GHz; (c)(g) 20 GHz; (d)(h) 25 GHz
Fig. 4. Time-frequency diagrams of trapezoid waveform with different repetition rate. (a)(e) 10 GHz; (b)(f) 15 GHz; (c)(g) 20 GHz; (d)(h) 25 GHz
Fig. 5. Time-frequency diagrams of square waveform with different repetition rate. (a)(e) 10 GHz; (b)(f) 15 GHz; (c)(g) 20 GHz; (d)(h) 25 GHz
Fig. 6. Time-frequency diagrams of sawtooth waveform with different repetition rate. (a)(e) 10 GHz; (b)(f) 15 GHz; (c)(g) 20 GHz; (d)(h) 25 GHz
Fig. 7. Triangular and trapezoid waveforms within
Fig. 8. Power difference and RMSE of square and sawtooth waveforms within
Fig. 9. Triangular wave and trapezoid waveforms within
Fig. 10. Power difference and RMSE of square and sawtooth waveforms within
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