Design of highly nonlinear dispersion-flattened square photonic crystal fiber for medical applications

被引：0
作者：
Tatsuya Kinjo
Yoshinori Namihira
Kazuya Arakaki
Taito Koga
Shubi F. Kaijage
S. M. Abdur Razzak
Feroza Begum
Shinya Nozaki
Hiroki Higa
机构：
[1] University of the Ryukyus,Graduate School of Engineering and Science
[2] Transdisciplinary Research Organization for Subtropical and Island Studies University of the Ryukyus,undefined
来源：
Optical Review | 2010年 / 17卷
关键词：
photonic crystal fiber (PCF); nonlinear fiber optics; dispersion (; ); effective area (; ); optical coherence tomography (OCT); finite difference method (FDM); supercontinuum (SC);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, we report the design of a highly nonlinear dispersion flattened high-index-core square photonic crystal fiber (PCF) for applications in optical coherence tomography (OCT). The finite-difference method with an anisotropic perfectly matched boundary layer is used as a numerical simulation tool. A set of optimized design parameters numerically resulted in a nonlinear coefficient of 79.9W−1 km−1 and a dispersion of −0:186 ps/(nm·km) at a wavelength of approximately 1.06 μm. Owing to its high nonlinear coefficient and flattened dispersion, the PCF is expected to be suitable for broadband supercontinuum generation, which is considered very important in OCT medical applications.
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页码：61 / 65
页数：4
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