35-dB gain Tm-doped ZBLYAN fiber amplifier operating at 1.65 mu m

被引：36

作者：

Sakamoto, T

Shimizu, M

Yamada, M

Kanamori, T

Ohishi, Y

Terunuma, Y

Sudo, S

机构：

[1] NTT Opto-electronics Laboratories, Naka-Gun, Ibaraki-Ken

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1996年 / 8卷 / 03期

关键词：

D O I：

10.1109/68.481113

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：

We demonstrate the first high gain rare-earth-doped fiber amplifier operating at 1.65 mu m, It consists of ZBLYAN fiber with a Tm3+-doped core and Tb3+-doped cladding, pumped by 1.22 mu m laser diodes, It is possible to achieve efficient amplification with Tm3+ ions if their amplified spontaneous emission (ASE) in the 1.75 to 2.0 mu m wavelength region is suppressed by doping Tb3+ ions in the cladding, A two-stage-type fiber amplifier is constructed and a signal gain of 35 dB is achieved for a pump power of 140 mW. A gain over 25 dB is realized in the 1.65 mu m to 1.67 mu m wavelength region.

引用

页码：349 / 351

页数：3

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