Huanxing Xing, Baojian Wu, Feng Wan, Yamin Cao, Feng Wen, Kun Qiu. Design of Elliptical-Core Few-Mode Fiber Optical Parametric Amplifiers[J]. Laser & Optoelectronics Progress, 2019, 56(11): 110603
- Laser & Optoelectronics Progress
- Vol. 56, Issue 11, 110603 (2019)
Fig. 1. Principle diagram of FM-FOPA
Fig. 2. Mode characteristics of elliptical-core few-mode fiber
Fig. 3. Variation of phase mismatching factors with semi-axial length b
Fig. 4. Dependence of gain on fiber length (b=14.5 μm)
Fig. 5. Variation of gain with semi-axial length b (P10=0.5 W)
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Table 1. Nonlinear coefficients corresponding to two different MG combinations when b=14.5 μm or b=9.0 μm
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