19 August 2017 Supercontinuum generation in low dispersion and highly nonlinear hexagonal photonic crystal fibers
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Abstract
We design a solid hexagonal photonic crystal fiber (PCF) with air holes of different diameters in the cladding region using the finite element method. We achieve a low group velocity dispersion of −5.483  ps2/km and a high nonlinearity of 111.4  W−1  km−1 at 450 nm with d1/Λ being 0.345, which could ensure single-mode propagation. The low dispersion and high nonlinearity form the crucial requirements to generate the supercontinuum (SC) pulse. The designed PCF exhibits a broad SC spectrum of bandwidth 600 nm at an operating wavelength of 450 nm which might find a great relevance in optical sensing applications.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Madurai Maveeran, Madurai Maveeran, Thangavel Alagesan, Thangavel Alagesan, Padmanaban R. Babu, Padmanaban R. Babu, Krishnamoorthy Senthilnathan, Krishnamoorthy Senthilnathan, } "Supercontinuum generation in low dispersion and highly nonlinear hexagonal photonic crystal fibers," Journal of Nanophotonics 11(3), 036012 (19 August 2017). https://doi.org/10.1117/1.JNP.11.036012 . Submission: Received: 16 May 2017; Accepted: 27 July 2017
Received: 16 May 2017; Accepted: 27 July 2017; Published: 19 August 2017
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