Fiber‐Waveguide Structure‐Design Simulation Software SeeNano

Lei Duan; Shudan Tan; Fanjiang Xu

doi:10.3788/CJL241085

Chinese Journal of Lasers, Volume. 51, Issue 19, 1901015(2024)

Fiber‐Waveguide Structure‐Design Simulation Software SeeNano

Lei Duan^*, Shudan Tan, and Fanjiang Xu

National Key Laboratory of Space Integrated Information System, Institute of Software, Chinese Academy of Sciences, Beijing 100190, China

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Abstract Get PDF(in Chinese)

Figures & Tables(12)

$Partial simulation interfaces of the software. (a) Refractive index distribution settings of fiber cross-section; (b) fiber material property settings; (c) fiber mode characteristics display; (d) fiber dispersion characteristics display$

Fig. 1. Partial simulation interfaces of the software. (a) Refractive index distribution settings of fiber cross-section; (b) fiber material property settings; (c) fiber mode characteristics display; (d) fiber dispersion characteristics display

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$Partial calculation results of the software. (a) Fiber cross-section refractive index profile; (b) material refractive index; (c) material loss; (d) splice loss; (e) mode field distribution; (f) microbending loss; (g) mode field diameter; (h) dispersion curves$

Fig. 2. Partial calculation results of the software. (a) Fiber cross-section refractive index profile; (b) material refractive index; (c) material loss; (d) splice loss; (e) mode field distribution; (f) microbending loss; (g) mode field diameter; (h) dispersion curves

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$Refractive index distribution of each layer in the step‐index trench‐assisted fiber$

Fig. 3. Refractive index distribution of each layer in the step‐index trench‐assisted fiber

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Fig. 4. Intensity distribution of each mode field in the first case. (a) Two-dimensional intensity distribution; (b) intensity comparison at radial position

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Fig. 5. SeeNano simulation results of mode field related parameters. (a) Mode field diameter; (b) effective mode field area;

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$Refractive index distribution of each layer in the graded‐index trench‐assisted fiber$

Fig. 6. Refractive index distribution of each layer in the graded‐index trench‐assisted fiber

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Fig. 7. Intensity distribution of each mode field in the second case. (a) Two-dimensional intensity distribution; (b) intensity comparison at radial position

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Fig. 8. SeeNano simulation results of dispersion related parameters. (a) Material dispersion, waveguide dispersion, and total dispersion curves; (b) comparison of calculation results

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Table 1. Simulation parameters of the fiber in the first case
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Table 1. Simulation parameters of the fiber in the first case
Name of refractive index layer Refractive index Half width of refractive index layer /μm
Fiber core 1.4560 10
Trench layer 1.4548 5
Ring layer 1.4560 5
Fiber cladding 1.4548 10

Table 2. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the first case
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Table 2. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the first case
Software Effective refractive index
LP01 LP11 LP02 LP21 LP12 LP31
SeeNano 1.455668976 1.455321310 1.455246317 1.45514949 1.45502597 1.454967415
OptiFiber 1.4556690 1.4553213 1.4552463 1.4551495 1.4550260 1.4549674

Table 3. Simulation parameters of the fiber in the second case

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Table 3. Simulation parameters of the fiber in the second case

Name of refractive index layer	Refractive index	Half width of refractive index layer /μm
Parabolic gradient region of fiber core	Start：1.4615 End：1.4469	7
Trench layer	1.4469	3
Ring layer	1.4400	3
Fiber cladding	1.4469	7

Table 4. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the second case
View table
Table 4. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the second case
Software Effective refractive index
LP01 LP11 LP02 LP21 LP12 LP31
SeeNano 1.458024547 1.454550438 1. 451116578 1.451092233 1. 44786666 1. 447706955
OptiFiber 1.4580245 1.4545504 1. 4511166 1.4510922 1. 4478667 1. 4477069

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Lei Duan, Shudan Tan, Fanjiang Xu. Fiber‐Waveguide Structure‐Design Simulation Software SeeNano[J]. Chinese Journal of Lasers, 2024, 51(19): 1901015

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Paper Information

Category: laser devices and laser physics

Received: Jul. 23, 2024

Accepted: Aug. 21, 2024

Published Online: Oct. 11, 2024

The Author Email: Lei Duan (duanlei@iscas.ac.cn)

DOI:10.3788/CJL241085

CSTR:32183.14.CJL241085

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Simulation parameters of the fiber in the first case

Table 1. Simulation parameters of the fiber in the first case

Table 2. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the first case

Table 2. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the first case

Table 3. Simulation parameters of the fiber in the second case

Table 3. Simulation parameters of the fiber in the second case

Table 4. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the second case

Table 4. Effective refractive index of fiber modes calculated with SeeNano and OptiFiber in the second case