Yongze Liang, Enwang Liang, Han Zhang, Guorui Wang, Jiwei Zhang, Xin Yan, Fang Wang, Xuenan Zhang, Tonglei Cheng. Theoretical Study of Four-Core Five-Mode Microstructured Optical Fiber with Low Crosstalk and Large Mode Field Area[J]. Chinese Journal of Lasers, 2021, 48(19): 1906004
- Chinese Journal of Lasers
- Vol. 48, Issue 19, 1906004 (2021)
Fig. 1. TCAH-MC-FM-MOF structure. (a) Cross section of TCAH-MC-FM-MOF; (b) effective refractive index distribution of TCAH-MC-FM-MOF
Fig. 2. Cutoff conditions for LP31 and LP12 modes
Fig. 3. Relationship between ICXT and structural parameters of TCAH-MC-FM-MOF. (a) Relationship with K; (b) relationship with r1; (c)relationship with d; (d)relationship with c
Fig. 4. Relationship between Aeff of 5-LP modes and structural parameters. (a) Relationship with r2; (b) relationship with a; (c) relationship with b; (d) relationship with c
Fig. 5. DMGD versus wavelength
Fig. 6. Cross section diagrams of various FM-MCF structures. (a) Traditional step-type FM-MCF; (b)TA-FM-MCF; (c)AT-FM-MCF; (d) TCAH-MC-FM-MOF
Fig. 7. ICXT comparion of LP31 mode for four fiber structures
Fig. 8. Effective refractive index of 5-LP modes
Fig. 9. Mode field maps of 5-LP mode. (a)--(e) LP01, LP11, LP21, LP02, LP31
Fig. 10. Relationship between Rb and ICXT
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Table 1. Initialization parameters of TCAH-MC-FM-MOF
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Table 2. Determined structural parameters of TCAH-MC-FM-MOF
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Table 3. Effective refractive index of high order modes and LP01
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