Reception of Dual-Spatial-Mode CO-OFDM Signal Over a Two-Mode Fiber

Reception of Dual-Spatial-Mode CO-OFDM Signal Over a Two-Mode Fiber
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DOI:
10.1109/jlt.2011.2178817
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发表时间:
2012-02
影响因子:
4.7
通讯作者:
An Li;A. A. Amin-A.;Xi Chen;Simin Chen;Guanjun Gao;W. Shieh
An Li;A. A. Amin-A.;Xi Chen;Simin Chen;Guanjun Gao;W. Shieh
中科院分区:
工程技术2区
文献类型:
--
作者:
An Li;A. A. Amin-A.;Xi Chen;Simin Chen;Guanjun Gao;W. Shieh

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我们演示了使用基于机械光栅的模式转换器来实现两种形式的双空间模式传输:LP 01和LP 11,以及双LP 01模式。在10 nm波长范围内,该模式转换器具有较高的模式消光比(> 20 dB)。我们首先提出了107-Gb/s相干光OFDM(CO-OFDM)传输在4.5公里的双模光纤使用LP 01和LP 11模式,其中模式分离是光学执行。然后,我们展示了使用双LP 11模式的58.8 Gb/s CO-OFDM传输,其中模式分离是通过4 × 4电子MIMO处理实现的。
We demonstrate the use of mechanical grating based mode converters to achieve two forms of dual-spatial-mode transmission: LP01 and LP11, and dual LP01 modes. High modal extinction ratio (>; 20 dB) is shown for the mode converter within a 10-nm wavelength range. We first present 107-Gb/s coherent optical OFDM (CO-OFDM) transmission over a 4.5-km two-mode fiber using LP01 and LP11 modes where the mode separation is performed optically. We then show 58.8-Gb/s CO-OFDM transmission using dual LP11 modes where the mode separation is achieved via 4 × 4 electronic MIMO processing.