中国激光, 2018, 45 (5): 0501003, 网络出版: 2018-05-21
马赫-曾德尔干涉仪对抑制延时特征的作用机理研究 下载: 720次
Study on the Mechanism of Mach-Zehnder Interferometer for Suppressing the Delay Time Signature
图 & 表
图 1. 模拟原理图。(a)双光注入方案;(b)双光反馈方案
Fig. 1. Schematic of simulation. (a) Double light injection scheme; (b) dual optical feedback scheme
图 2. 单光反馈激光器输出混沌信号的延时特征峰ρ随反馈强度kf1的变化
Fig. 2. Peak value ρ of the delay signature for chaos laser with single path optical feedback as function of feedback strength kf1
图 3. 延时特征峰ρ随τd的变化。(a)(b)方案一;(c)(d)方案二;(e)(f)方案三
Fig. 3. Peak value ρ of the delay signature as function of τd. (a)(b) Scheme 1; (c)(d) scheme 2; (e)(f) scheme 3
图 4. 时间序列和自相关函数。(a)(b) τd=0.02 ns;(c)(d) τd=0.106 ns
Fig. 4. Intensity time series and autocorrelation function. (a)(b) τd=0.02 ns; (c)(d) τd=0.106 ns
图 5. 时间序列与自相关函数。方案三(a)(d) τd=0 ns,(b)(e) τd=0.08 ns,(c)(f) τd=4 ns;(g)(i)方案一,τd=0.08 ns;(h)(j)方案二,τd=0.098 ns
Fig. 5. Time series and autocorrelation function. Curves of scheme 3 when (a)(d) τd=0 ns, (b)(e) τd=0.08 ns, (c)(f) τd=4 ns; curves of scheme 1 when (g)(i) τd=0.08 ns; curves of scheme 2 when (h)(j) τd=0.098 ns
图 6. 不同τd下的自相关函数。(a)方案三 ;(b)方案一 ;(c)方案二
Fig. 6. Autocorrelation for different τd. (a) Scheme 3; (b) scheme 1; (c) scheme 2
图 8. 方案二中τ1=10 ns和τ2=τ1+τd位置的延时特征峰ρ随τd的变化
Fig. 8. Peak value ρ of the delay signature corresponding to τ1=10 ns and τ2=τ1+τd as function of τd in the scheme 2
图 9. 延时特征峰ρ随τd的变化。(a)(b) τ1=4 ns;(c)(d) τ1=7 ns
Fig. 9. Peak value ρ of the delay signature as function of τd. (a)(b) τ1=4 ns; (c)(d) τ1=7 ns
图 11. 自相关函数图。(a)混沌光强的自相关函数;(b)混沌光相位的自相关函数
Fig. 11. Autocorrelation function diagram. (a) Autocorrelation function for chaotic light intensity; (b) autocorrelation function for chaotic light phase
吴天安, 张晓旭, 张胜海, 兰淑静. 马赫-曾德尔干涉仪对抑制延时特征的作用机理研究[J]. 中国激光, 2018, 45(5): 0501003. Wu Tianan, Zhang Xiaoxu, Zhang Shenghai, Lan Shujing. Study on the Mechanism of Mach-Zehnder Interferometer for Suppressing the Delay Time Signature[J]. Chinese Journal of Lasers, 2018, 45(5): 0501003.