中国激光, 2020, 47 (12): 1205004, 网络出版: 2020-11-30 复制并引用该论文  本文已被引 1 次  被引通知

图 & 表

图 1. 基于PDM-DMZM的上、下变频多通道移相信号产生结构示意图

Fig. 1. Schematic of up and down-conversion multi-channel phase shift signal generation based on PDM-DMZM

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图 2. 不同器件在不同情况下的输出光谱/电谱示意图。(a1)~(a4)下变频移相;(b1)~(b4)上变频移相

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

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图 3. FBG的功率响应

Fig. 3. Power response of FBG

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图 4. 不同器件的性能曲线。(a)(c)光谱;(b)(d)电谱

Fig. 4. Performance curves of different devices. (a)(c) Spectra; (b)(d) electric spectra

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图 5. 变频移相信号在不同相位的性能曲线。(a)(c)波形;(b)(d)移相信号功率和USSR

Fig. 5. Performance curves of variable frequency phase shift signal in different phases. (a)(c) Waveforms; (b)(d) phase shift signal power and USSR

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图 6. 直流偏置点漂移在不同情况下对变频移相信号的影响示意图。(a)(c)功率;(b)(d) 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

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图 7. ER恶化对信号平坦度和USSR的影响。(a)下变频移相信号;(b)上变频移相信号

Fig. 7. Effect of ER deterioration on signal flatness and USSR. (a) Down-conversion phase-shifted signal; (b) up-conversion phase-shifted signal

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图 8. LO信号功率对CE和USSR的影响。(a)下变频移相信号;(b)上变频移相信号

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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表 1不同方案结构的对比

Table1. Comparison of structure with different schemes

Scheme Function Operatingfrequency/GHz Generatedfrequency Powervariation /dB Means ofmultichannelphase tuning Cost Phase shiftoperation Proposedscheme Multichannelfrequency up/down-conversionwithphase tuning 0.5--65.0 Several MHzto 130GHz ±0.15 Adjusting PCs inmultichannel Lower Complicated Ref. [23] Multichannelfrequencydown-conversionwithphase tuning 12.0--20.0 Intermediatefrequency ±1.00 Adjusting DCbiases ofmodulators inmultichannelor wavelengthof laser Higher Simple Ref. [29] Simultaneousfrequencyup-anddown-conversionwith phase tuning DC to 4 8GHz to 16GHz/0GHz to 4GHz ±1.00 No discussion Higher Simple Ref. [31] Frequency up/down-conversionwith phase tuning 2.0--26.5 3.5GHz to 26.5GHz/0.5GHz to 3.0GHz ±1.00 Adjusting DC bias of PolM Higher Simple

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李赫, 赵尚弘, 于丽娜, 林涛, 张昆, 王国栋, 蒋炜, 李轩. 基于PDM-DMZM的多通道变频移相信号产生[J]. 中国激光, 2020, 47(12): 1205004. 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.