A novel method to improve noise figure for double-pass L-band EDFA

被引：2

作者：

Zhang, H ^{[1
]}

Yu, L ^{[1
]}

Liu, YG ^{[1
]}

Wang, C ^{[1
]}

Liu, LH ^{[1
]}

Xiong, LY ^{[1
]}

Yuan, SZ ^{[1
]}

Dong, XY ^{[1
]}

机构：

[1] Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China

来源：

PASSIVE COMPONENTS AND FIBER-BASED DEVICES, PTS 1 AND 2 | 2005年 / 5623卷

关键词：

erbium-doped fiber amplifier (EDFA); L-band; noise figure (NF); high birefringence fiber (HiBi fiber); fiber loop mirror;

D O I：

10.1117/12.569517

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we present a noise figure improved double-pass L-band EDFA based on HiBi fiber loop mirror as the ASE suppressor. By utilizing a HiBi fiber loop mirror as the wavelength-dependent reflector, the ASE light has been weakened to a large extend, which increases the inversion ion population at the input end of erbium-doped fiber. Therefore, the noise figure of this double-pass EDFA has been much improved. Compared with that of the conventional double-pass structure based on 3dB fiber loop mirror, the NF of our novel configuration is reduced by 2.06similar to5.33dB for the ten sampled signal wavelength (1580.84nmsimilar to1588.48nm).

引用

页码：799 / 802

页数：4

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