Shuaifei Tian, Jun Yang, Yonggui Yuan, Yibo Zhang, Haibo Zhu, Ran An, Zhangjun Yu, Yuncai Wang, Yuwen Qin. Research on the Influence of Ultralow Frequency Band 1/f Noise in Ultralong Fiber Interferometers[J]. Acta Optica Sinica, 2021, 41(13): 1306007
- Acta Optica Sinica
- Vol. 41, Issue 13, 1306007 (2021)
Fig. 1. Schematic diagram of ultra-long fiber M-Z interferometer
Fig. 2. Experimental setup for the noise measurement of optical fiber interferometer
Fig. 3. Noise spectra of sources under different length differences. (a) Test results of semiconductor laser; (b) test results of fiber laser
Fig. 4. Experimental results. (a) Noise level and fitting value of different length interferometers; (b) comparison of fitting spectrum and theoretical spectrum of thermal noise
Fig. 5. Test results and analysis of ultralong fiber interferometer. (a) Noise analysis of semiconductor laser; (b) noise analysis of fiber laser
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