Abstract
In this paper, the dispersion characteristics and cutoff conditions of Bragg fiber having different core refractive index are analysed and compared, theoretically. Using transfer matrix method the required characteristic equation of these waveguides is derived. The TE and TM mode analysis of these waveguides show that the cut off radius decreases with increase of core refractive index. The obtained respective \({\text{TE}}_{01}\,\text{and}\, {\text{TM}}_{01}\) modes cut-off radius is \(0.633\, \upmu \mathrm{m}\) and \(0.398\, \upmu \mathrm{m}\) at core refractive index \({n}_{\text{c}}=1.49\).
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Authors C. S. Yadav acknowledges DST-INSPIRE and A. Upadhyay acknowledges UGC for financial supports.
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Yadav, C.S., Upadhyay, A., Singh, V. (2021). Modal Analysis and Cutoff Condition of Bragg Fibers. In: Singh, K., Gupta, A.K., Khare, S., Dixit, N., Pant, K. (eds) ICOL-2019. Springer Proceedings in Physics, vol 258. Springer, Singapore. https://doi.org/10.1007/978-981-15-9259-1_202
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DOI: https://doi.org/10.1007/978-981-15-9259-1_202
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