Exact Dispersion Study of an Asymmetric Thin Planar Slab Dielectric Waveguide without Computing d2βdk2${{{d^2}\beta} \over {d{k^2}}}$ Numerically

2017 ◽  
Vol 38 (3) ◽  
Author(s):  
Sanjeev Kumar Raghuwanshi ◽  
Vikram Palodiya
Keyword(s):  
Dielectric Waveguide ◽  
Material Dispersion ◽  
Total Dispersion ◽  
Waveguide Dispersion

AbstractWaveguide dispersion can be tailored but not the material dispersion. Hence, the total dispersion can be shifted at any desired band by adjusting the waveguide dispersion. Waveguide dispersion is proportional to

scholarly journals Nonlinear Optical Fibers, Their Properties, and Applications

2020 ◽  
Vol 6 (2) ◽  
pp. 121-126
Author(s):  
B. R. Ghimire
Keyword(s):  
Refractive Index ◽  
Optical Fiber ◽  
Optical Fibers ◽  
Nonlinear Optical ◽  
Group Velocity Dispersion ◽  
Wavelength Dependence ◽  
Experimental Result ◽  
Material Dispersion ◽  
Waveguide Dispersion ◽  
Wavelength Absorption

Nonlinear optical properties and preparation of nonlinear optical fiber based on Bismuth oxide were described. Wavelength dependence of refractive index of ABH160 and B027 was studied and analyzed. Working and construction of optical ON-OFF switches, based on Bi-HNLF was reported. It was investigated that refractive index of ABH160 and Bo27 were found to be exponentially decaying as a function of wavelength. Absorption coefficient of ABH160 as a function of wavelength was found to be decaying exponentially. In optical fiber the total group velocity dispersion is divided into the material dispersion DM and waveguide dispersion DW. Material dispersion and waveguide dispersion were calculated theoretically and a good agreement with the experimental result. The process of four wave mixing and consequences was reviewed.

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