A theoretical study on the supercontinuum generation in a novel suspended liquid core photonic crystal fiber

Sharafali, A. and Kanagaraj, Nithyanandan (2020) A theoretical study on the supercontinuum generation in a novel suspended liquid core photonic crystal fiber. Applied Physics B: Lasers and Optics, 126 (4), [55]. (doi:10.1007/s00340-020-7403-9).

Record type: Article

Abstract

We theoretically propose a novel liquid-filled suspended core photonic crystal fiber as a new class of micro-structure optical fiber for ultra broad supercontinuum generation. We emphasize the advantage of liquid in filtration in enhancing the fiber nonlinearity. To further enhance the nonlinearity of the liquid in filtrated fibers, we introduce a suspended liquid core photonic crystal fiber which significantly elevates the fiber nonlinearity through reduced effective area. A comparative study on the continuum generated in conventional microstructured optical fiber (without suspension effect) and the suspended core microstructured optical fiber is performed. A broad continuum is numerically demonstrated through the suspended core fiber, which is substantially broader than the fiber without suspension effect. Thus, we propose a new means to enhance the nonlinearity beyond the intrinsic material dependence. The underlined suspended liquid core photonic crystal fiber can be a new class of fibers for next generation of broadband laser sources.

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