Realization of ultra-broadband dispersion-flattened in dual-cladding photonic crystal fiber

Shuqin Guo; Zichun Le; Bisheng Quan

doi:10.1117/12.666984

28 January 2006 Realization of ultra-broadband dispersion-flattened in dual-cladding photonic crystal fiber

Shuqin Guo, Zichun Le, Bisheng Quan

Proceedings Volume 6025, ICO20: Optical Communication; 602504 (2006) https://doi.org/10.1117/12.666984
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

We design a kind of dual-cladding photonic crystal fiber (DC-PCF), in which air holes arranged in the vicinity of the core (inner-cladding) is smaller than the other air holes (outer-cladding). By numerical simulation, the dispersion characteristic of this novel PCF is investigated. Dispersion curves will become comparatively flat while gradually reducing the air holes arranged in inner cladding under fixing the air holes of outer cladding. An ultra-flattened dispersion can be realized when the air holes size of inner-cladding dwindling down to an optimum size. As an example, the DC-PCF demonstrates an extraordinary flattened dispersion around 9.8ps/nm.km within ±0.4ps/nm/km fluctuation range in an ultra-broad wavelength range from 1.0μm to 2.0μm . Furthermore, when the air holes arranged in the second layer nearing the core is reduced slightly, the flattened dispersion curve even can parallel shift from 11.8ps/nm/km to 7.8ps/nm/km, 6.2ps/nm/km, 4.0ps/nm/km at the wavelength around 1.55μm.

Citation Download Citation

Shuqin Guo, Zichun Le, and Bisheng Quan "Realization of ultra-broadband dispersion-flattened in dual-cladding photonic crystal fiber", Proc. SPIE 6025, ICO20: Optical Communication, 602504 (28 January 2006); https://doi.org/10.1117/12.666984

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