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
收藏
页码：349 / 351
页数：3
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