Performance analysis of a highly nonlinear optical fiber with different graded refractive index profiles

In optical communication systems different types of fibers are employed for different applications. Particularly, highly nonlinear fibers are used for nonlinear signal processing such as wavelength conversion, optical switching, signal regeneration and demultiplexing. The performance parameters of t...

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Bibliographic Details
Published in:Optical and quantum electronics 2016-11, Vol.48 (11), p.1-11, Article 515
Main Authors: Selvendran, S., Sivanantha Raja, A.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Computer Communication Networks
Electrical Engineering
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Signal processing
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Summary:In optical communication systems different types of fibers are employed for different applications. Particularly, highly nonlinear fibers are used for nonlinear signal processing such as wavelength conversion, optical switching, signal regeneration and demultiplexing. The performance parameters of these optical fibers can be altered through the refractive index (RI) profile modification during manufacturing. This paper explores the performance of a highly nonlinear fiber (HNLF) with parabolic, Gaussian and alpha power law functioned RI profile at the core instead of step index profile. The functional parameters are adjusted in order to obtain similar RI structure for these three functions. From the simulation analysis, it is concluded that HNLF with alpha power law RI profile reveals a better performance compared to the parabolic and Gaussian functions. Further by adjusting the alpha value in the design of alpha power law RI profile wide variety of dispersion curve and nonlinear coefficients are possible.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-016-0788-3