Li He, Zhao Shanghong, Yu Lina, Lin Tao, Zhang Kun, Wang Guodong, Jiang Wei, Li Xuan. Generation of Multichannel Frequency Conversion Signal with Full Range Phase Shift Based on PDM-DMZM[J]. Chinese Journal of Lasers, 2020, 47(12): 1205004
- Chinese Journal of Lasers
- Vol. 47, Issue 12, 1205004 (2020)
Fig. 1. Schematic of up and down-conversion multi-channel phase shift signal generation based on PDM-DMZM
Fig. 2. Schematic of output spectra/electric spectra of different devices under different conditions. (a1)--(a4) down-conversion phase shift; (b1)--(b4) up-conversion phase shift
Fig. 3. Power response of FBG
Fig. 4. Performance curves of different devices. (a)(c) Spectra; (b)(d) electric spectra
Fig. 5. Performance curves of variable frequency phase shift signal in different phases. (a)(c) Waveforms; (b)(d) phase shift signal power and USSR
Fig. 6. Schematic of influence of direct current bias point drift on frequency conversion phase shift signal under different conditions. (a)(c) Power; (b)(d) USSR
Fig. 7. Effect of ER deterioration on signal flatness and USSR. (a) Down-conversion phase-shifted signal; (b) up-conversion phase-shifted signal
Fig. 8. Effect of LO signal power on CE and USSR. (a) Down-conversion phase-shifted signal; (b) up-conversion phase-shifted signal
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Table 1. Comparison of structure with different schemes
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