• MONIKA KIRORIWAL

      Articles written in Pramana – Journal of Physics

    • Design and analysis of broadband supercontinuum generation in highly nonlinear LiGaSe$_2$-based photonic crystal fibre

      MONIKA KIRORIWAL POONAM SINGAL

      More Details Abstract Fulltext PDF

      A numerical investigation of LiGaSe$_2$-based photonic crystal fibre for broad supercontinuum spectrum at −30 dB intensity level has been studied in this paper. The proposed structure is simulated by the finite element method and provides a zero-dispersion wavelength of 2.46 μm. Higher-order dispersion coefficients are considered to generate a supercontinuum spectrum spanning 2.15–14.6 μm. An input pulse of 30 fs is injected into a smalllength photonic crystal fibre with a low input power of 600 W at a pump wavelength of 2.5 μm. This mid-infraredbroad spectrum has potential applications in optical coherence tomography, spectroscopy and medical bio-imaging field.

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