Applicability of silica core photonic crystal fiber for distributed Raman amplification transmission

被引：2

作者：

Fukai, Chisato ^{[1
]}

Nakajima, Kazuhide ^{[1
]}

Kurokawa, Kenji ^{[1
]}

Tajima, Katsusuke ^{[1
]}

Matsui, Takashi ^{[1
]}

Shiraki, Kazuyuki ^{[1
]}

Kurashima, Toshio ^{[1
]}

机构：

[1] NTT Corp, NTT Access Network Serv Syst Labs, Tsukuba, Ibaraki 3050805, Japan

来源：

OPTICAL FIBER TECHNOLOGY | 2008年 / 14卷 / 03期

关键词：

Raman gain coefficient; Silica core photonic crystal fiber; Distributed Raman amplification; Signal-to-noise ratio;

D O I：

10.1016/j.yofte.2007.11.001

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we describe Raman amplification characteristics and the potential for distributed Raman amplification (DRA) transmission in silica core photonic crystal fiber (PCF). We measured the Raman gain spectra of PCFs at different pump wavelengths, and confirmed that the pump wavelength dependence of the Raman gain coefficient of PCF agrees well with that of silica glass. DRA transmission performance in the 850 and 1580 nm wavelength regions was also examined individually using 6.0 and 12.7 km long PCFs. Finally, we clarified numerically that the signal-to-noise ratio (SNR) can be improved over a wide wavelength region by using silica core PCF and DRA. Our results show that silica core PCF has potential as a DRA transmission medium over an arbitrary wavelength region. (C) 2007 Elsevier Inc. All rights reserved.

引用

页码：196 / 202

页数：7

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