Annular core photonic quasi-crystal fiber with wideband nearly zero ultra-flat dispersion, low confinement loss and high nonlinearity

We propose an annular core photonic quasi-crystal fiber with ultra-flat dispersion, low confinement loss and small effective mode area covering O, E, S, C, L and U bands. The proposed design has a six-fold symmetric quasiperiodic array of air holes with a central air-hole in the core (an annular cor...

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Bibliographic Details
Published in:Optik (Stuttgart) 2018-03, Vol.157, p.141-147
Main Authors: Lee, Yong Soo, Lee, Chung Ghiu, Kim, Soeun
Format: Article
Language:English
Subjects:
Dispersion flattened fiber
High nonlinearity
Photonic crystal fiber
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Summary:We propose an annular core photonic quasi-crystal fiber with ultra-flat dispersion, low confinement loss and small effective mode area covering O, E, S, C, L and U bands. The proposed design has a six-fold symmetric quasiperiodic array of air holes with a central air-hole in the core (an annular core), which induce wideband nearly zero ultra-flattened dispersion of 0±0.11ps/(nm.km) from 1.15μm to 1.65μm, low confinement loss in level of 10−4 and the small effective mode area of 5.55μm2 at 1.55μm.
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2017.10.166