Proposal for dispersion compensating square-lattice photonic crystal fiber

A dispersion-compensating square-lattice photonic crystal fiber for broadband compensation which covers the S, C and L communication bands, i.e. wavelength ranging from 1 460 nm to 1 625 nm is proposed in this paper. Theoretically, it is shown a negative dispersion coefficient of about −595 ps/(nm·k...

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Bibliographic Details
Published in:Optoelectronics letters 2021-03, Vol.17 (3), p.160-164
Main Authors: Howlader, Ashraful Hossain, Islam, Md. Sherajul, Razzak, S. M. A.
Format: Article
Language:English
Subjects:
Broadband
Crystal fibers
Crystal lattices
Lasers
Optical Devices
Optics
Photonic crystals
Photonics
Physics
Physics and Astronomy
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Summary:A dispersion-compensating square-lattice photonic crystal fiber for broadband compensation which covers the S, C and L communication bands, i.e. wavelength ranging from 1 460 nm to 1 625 nm is proposed in this paper. Theoretically, it is shown a negative dispersion coefficient of about −595 ps/(nm·km) to −1 288 ps/(nm·km) over S to L bands and −975 ps/(nni·km) at the operating wavelength 1 550 nm. The relative dispersion slope is perfectly matched to that of conventional single-mode fiber of about 0.003 6 nm −1 . Besides the proposed photonic crystal fiber shows the large nonlinear coefficient of 61.88 W/km at the operating wavelength of 1 550 nm. Moreover, the variation of structural parameters is also studied and discussed here.
ISSN:1673-1905
1993-5013
DOI:10.1007/s11801-021-0060-3