激光与光电子学进展, 2017, 54 (10): 100601, 网络出版: 2017-10-09   

基于空分复用的可重构光分插复用器

Reconfigurable Optical Add-Drop Multiplexer Based on Space Division Multiplexing
作者单位
1 邯郸学院信息技术研究所, 河北 邯郸 056005
2 中国联通邯郸市分公司, 河北 邯郸 056000
摘要
为了满足全光网络中大容量数据上传、下载的需求, 提出了一种结合波分复用(WDM)、偏振复用(PDM)以及空分复用(SDM)的可重构光分插复用器(ROADM), ROADM使光分插复用器(OADM)上传、下载的能力提升了12倍。对基于WDM和PDM的OADM进行实验搭建和性能分析, 结果表明, 基于WDM和PDM的OADM不仅能够实现密集WDM, 还能稳定地实现PDM, 主要输出端口的偏振态稳定度达到0.01, 偏振分束器输出端的快、慢轴分光比接近1∶1, 插入损耗小于9 dB。对基于光子灯笼(PL)和SDM的OADM进行模型搭建, 分别实现了6种模式和3种模式的复用, 结果表明, 基于PL和SDM的OADM不同模式间的有效折射率差大于6×10-4, 模间串扰小、隔离度高。
Abstract
In order to meet the requirements of uploading and downloading large-capacity data in all-optical networks, a reconfigurable optical add-drop multiplexer (ROADM) based on wavelength division multiplexing (WDM), polarization division multiplexing (PDM) and space division multiplexing (SDM) is proposed, which can improve the uploading and downloading capacity of optical add-drop multiplexer (OADM) by 12 times. The OADM system based on WDM and PDM is built experimentally and performances are analyzed. Results show that the OADM based on WDM and PDM can achieve dense WDM and realize PDM steadily. The stability of the polarization state at main output port achieves 0.01, the splitting ratio of fast and slow axes at polarization beam splitter output port is close to 1∶1, and the insertion loss is lower than 9 dBm. The OADM models based on photonic lantern (PL) and SDM are established, and the multimode multiplexing of six-mode and three-mode are realized respectively. Results show that the effective refractive index difference between different modes of OADM based on PL and SDM is larger than 6×10-4, which indicates low inter mode interference and high isolation degree.

杨康, 李国玉, 李燕, 张木, 贾素梅. 基于空分复用的可重构光分插复用器[J]. 激光与光电子学进展, 2017, 54(10): 100601. Yang Kang, Li Guoyu, Li Yan, Zhang Mu, Jia Sumei. Reconfigurable Optical Add-Drop Multiplexer Based on Space Division Multiplexing[J]. Laser & Optoelectronics Progress, 2017, 54(10): 100601.

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