Design of highly nonlinear octagonal photonic crystal fiber with near-zero flattened dispersion at 1.31μm waveband

被引：15

作者：

Namihira, Yoshinori ^{[1
]}

Liu, Jingjing ^{[2
]}

Koga, Taito ^{[1
]}

Begum, Feroza ^{[1
]}

Hossain, Md. Anwar ^{[1
]}

Zou, Nianyu ^{[2
]}

Kaijage, Shubi F. ^{[1
]}

Hirako, Yuki ^{[1
]}

Higa, Hiroki ^{[1
]}

Islam, Md. Asraful

机构：

[1] Univ Ryukyus, Grad Sch Engn & Sci, Nishihara, Okinawa 9030213, Japan

[2] Dalian Polytech Univ, Res Inst Photon, Dalian 116034, Peoples R China

来源：

OPTICAL REVIEW | 2011年 / 18卷 / 06期

关键词：

photonic crystal fiber (PCF); optical coherence tomography (OCT); finite difference method (FDM); nonlinear coefficient; effective area (A(eff)); chromatic dispersion (D); supercontinuum (SC); effective index (n(eff));

D O I：

10.1007/s10043-011-0082-3

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents a highly nonlinear octagonal photonic crystal fiber (HN-OPCF) with a Ge-doped core for dental optical coherence tomography (OCT) applications. The simulation results show that a nonlinear coefficient of 56.3W(-1) km(-1) and the flattened dispersion of less than -1:0 ps/(nm center dot km) are obtained in 75 nm waveband (1265-1340 nm). Owing to its high nonlinear coefficient and flattened dispersion, the HN-OPCF is expected to be suitable for supercontinuum generation, which is very important in OCT applications. The numerical simulation results demonstrate that the proposed HN-OPCF can generate wideband supercontinuum. (C) 2011 The Japan Society of Applied Physics

引用

页码：436 / 440

页数：5

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