Mingxiang Ma, Fufang Xu, Yingying Li, Qingqing Hu, Yukun Luo, Pan Xu. Coherence Collapse Suppression of Fiber Ring Laser Using Matched Interferometer[J]. Acta Optica Sinica, 2020, 40(3): 0314001
- Acta Optica Sinica
- Vol. 40, Issue 3, 0314001 (2020)
Fig. 1. Experimental setup. (a) Schematic of EDFRL; (b) conventional fiber interferometer; (c) space-light matched interferometer; (d) long-arm reflection end of matched interferometer
Fig. 2. Power spectrum of beat signal among multiple longitudinal modes
Fig. 3. Interference signals of SLMI and conventional fiber interferometer under multiple-longitudinal-mode oscillation. (a)-(c) Longitudinal mode structure; (d)-(f) interference fringes of SLMI; (g)-(i) interference fringe of conventional fiber interferometer
Fig. 4. Longitudinal mode structure and interference fringe visibility during mode hopping. (a) Longitudinal mode structure; (b) interference fringe visibility of conventional fiber interferometer and AFMI
Fig. 5. Phase background noise of EDFRL via unbalanced fiber interferometer
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