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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