Co-Propagating Dual-Order Distributed Raman Amplifier Utilizing Incoherent Pumping

被引：19
|
作者：
Morimoto, Masahito [1 ]
Ogoshi, Haruki [1 ]
Yoshida, Junji [1 ,2 ]
Takasaka, Shigehiro [1 ]
Sano, Akihide [3 ]
Miyamoto, Yutaka [3 ]
机构：
[1] Telecommun & Energy Labs, Ichihara, Chiba 2908555, Japan
[2] Furukawa Elect Corp Ltd, FITEL Prod Div, Ichihara, Chiba 2908555, Japan
[3] NTT Corp, NTT Network Innovat Labs, Yokosuka, Kanagawa 2390847, Japan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2017年 / 29卷 / 07期
关键词：
Raman amplifier; incoherent pump; dual-order; co-propagating; RIN TRANSFER; LASERS;
D O I：
10.1109/LPT.2017.2655043
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 propose a distributed Raman amplifier available for dual-order co-propagating configuration with low-relative intensity noise (RIN) transfer. The first-order and second-order pumps are composed of incoherent and coherent light sources, respectively. By using the incoherent light source as a first-order pump, RIN transfer can be reduced. A semiconductor optical amplifier-based first-order incoherent light source for the configuration has been developed. The results of the RIN measurement and 22.5-Gbaud polarization-division multiplexing 16 quadrature amplitude modulation (PDM-16QAM) transmission experiment over 2720 km in a re-circulating loop show that the proposed configuration will be effective for a practical low-noise co-propagating Raman amplifier.
引用
收藏
页码：567 / 570
页数：4
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