Research on Four Core Fiber WDM Device Technology

Table 1. The insertion loss and isolation index of four core WDM device original sample 1
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Table 1. The insertion loss and isolation index of four core WDM device original sample 1
路径反射端路径透射端
IL/dB ISO/dB IL/dB ISO/dB
11→24 0.37 21 11→34 0.36 42
12→23 0.62 18 12→33 0.62 40
13→22 0.80 17 13→32 0.32 43
14→21 0.58 20 14→31 0.35 43

Table 2. The insertion loss and isolation index of four core WDM device original sample 2
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Table 2. The insertion loss and isolation index of four core WDM device original sample 2
路径反射端路径透射端
IL/dB ISO/dB IL/dB ISO/dB
11→24 0.72 18 11→34 0.73 39
12→23 0.94 16 12→33 0.88 38
13→22 1.08 15 13→32 0.96 37
14→21 1.20 15 14→31 0.60 40

Table 3. Crosstalk among the four core optical fibers at the input end
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Table 3. Crosstalk among the four core optical fibers at the input end
串扰/dB 11 12 13 14
11 －－60.54 －58.88 －59.66
12 －60.56 －－60.20 －56.58
13 －58.96 －60.31 －－58.57
14 －59.80 －56.71 －58.64 －

Table 4. Crosstalk between four core optical fibers at the reflective end
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Table 4. Crosstalk between four core optical fibers at the reflective end
串扰/dB 21 22 23 24
21 －－53.74 －59.92 －54.20
22 －53.55 －－56.01 －58.05
23 －60.22 －56.77 －－55.38
24 －54.19 －58.07 －55.45 －

Table 5. Crosstalk among the four core optical fibers at the transmission end
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Table 5. Crosstalk among the four core optical fibers at the transmission end
串扰/dB 31 32 33 34
31 －－55.60 －56.72 －55.58
32 －55.58 －－54.78 －56.40
33 －56.68 －54.67 －－58.00
34 －55.27 －56.41 －57.98 －

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Li CHEN, Qingming XIAO, Min WANG, Lei JIANG. Research on Four Core Fiber WDM Device Technology[J]. Study On Optical Communications, 2024, 50(6): 23006901

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