光学学报, 2018, 38 (3): 0319001, 网络出版: 2018-03-20
双余弦相位调制对超高斯脉冲的频谱压缩 
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Spectral Compression of Super-Gaussian Pulse by Dual Cosinoidal Phase Modulation
图 & 表
图 1. (a)频谱强度随距离的演化;(b)光纤入口处和不同传输距离处的频谱强度分布
Fig. 1. (a) Evolution of spectral intensity with distance; (b) spectral intensity profiles at the entrance and the different propagation distances
图 2. (a) FWHM压缩因子;(b) RMS压缩因子;(c)斯特列比
Fig. 2. (a) FWHM spectral compression factor; (b) RMS spectral compression factor; (c) Strehl ratio
图 3. 在不同传输距离处的脉冲时域相位分布。 (a) Z1处;(b) Z2处;(c) Z3处
Fig. 3. Temporal phase profiles at the different propagation distances. (a) Z1; (b) Z2; (c) Z3
图 4. (a)调制相位ΦC1和ΦC2分布图;(b)双余弦调制相位ΦC分布图;(c)补偿后的相位在Z3处的分布图
Fig. 4. (a) Distribution of the modulation phases ΦC1 and ΦC2; (b) distribution of the dual cosine modulation phase ΦC; (c) distribution of the compensated phase at the propagation distance Z3
图 5. (a)相位补偿后频谱强度随距离的演化;(b)相位补偿后光纤入口处和不同传输距离处的频谱强度分布
Fig. 5. (a) Evolution of spectral intensity with distance after phase correction; (b) spectral intensity profiles at the entrance and different propagation distances after phase correction
图 6. 调制相位ΦC1和ΦC2的振幅和频率随距离的演化。(a)振幅a1和a2的演化;(b)频率ν1和ν2的演化
Fig. 6. Evolutions of the amplitudes and frequencies of the modulation phases ΦC1 and ΦC2 with distance. (a) Evolutions of the amplitudes a1 and a2; (b) evolutions of the frequencies ν1 and ν2
图 7. 相位补偿后各参数随距离的演化。(a) FWHM压缩因子;(b) RMS压缩因子;(c)斯特列比
Fig. 7. Variation of parameter with distance after phase correction. (a) FWHM spectral compression factor; (b) RMS spectral compression factor; (c) Strehl ratio
王蕾, 杨光晔, 任晋萍, 罗焕波, 李禄. 双余弦相位调制对超高斯脉冲的频谱压缩[J]. 光学学报, 2018, 38(3): 0319001. Wang Lei, Yang Guangye, Ren Jinping, Luo Huanbo, Li Lu. Spectral Compression of Super-Gaussian Pulse by Dual Cosinoidal Phase Modulation[J]. Acta Optica Sinica, 2018, 38(3): 0319001.
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