MODELING AND OPTIMIZATION OF LOW-REPETITION-RATE HIGH-ENERGY PULSE AMPLIFICATION IN CW-PUMPED ERBIUM-DOPED FIBER AMPLIFIERS

被引：32

作者：

NILSSON, J ^{[1
]}

JASKORZYNSKA, B ^{[1
]}

机构：

[1] ROYAL INST TECHNOL,INST OPT RES,S-10044 STOCKHOLM 70,SWEDEN

来源：

OPTICS LETTERS | 1993年 / 18卷 / 24期

关键词：

D O I：

10.1364/OL.18.002099

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We numerically study amplification of low-repetition-rate high-energy pulses in a cw-pumped erbium-doped fiber amplifier. Maximizing the pulse-energy gain by optimization of the dopant and modal field radii resulted in improvements of as much as 7.3 dB with a 60-mW pump compared with a fiber with small radii suitable for amplification of cw signals. Output pulse energies of 0.15 mJ are possible at the same pump power. The improvements stem from a suppression of the losses from amplified spontaneous emission when the radii are made large.

引用

页码：2099 / 2101

页数：3

共 7 条

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