Tianyuan Xie, Ju Wang, Chuang Ma, Yang Yu, Jinlong Yu. Research on Phase Noise Suppression of Optoelectronic Oscillator Using Semiconductor Optical Amplifier[J]. Acta Optica Sinica, 2019, 39(12): 1223007
- Acta Optica Sinica
- Vol. 39, Issue 12, 1223007 (2019)
Fig. 1. Process of noise suppression based on gain-saturated SOA
Fig. 2. Comparison of simulation signals before and after SOA. (a) Normalized signal; (b) noise
Fig. 3. Schematic of experimental setup
Fig. 4. Relationship between input/output optical power and drive current of SOA
Fig. 5. Measurement results of OEO with/without gain-saturated SOA. (a) Spectra when SPAN is 500 kHz; (b) waveforms of modulated optical signals in time domain
Fig. 6. Phase noise characteristics of OEO mixing with MCO
Fig. 7. Comparison of phase noises of OEO with SOA and without SOA
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