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Athermalized low-loss echelle-grating-based multimode dense wavelength division demultiplexer

机译：基于无损耗低损耗埃谢尔光栅的多模密集波分复用器

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摘要

A high-density wavelength division demultiplexer (DEMUX) capable of demultiplexing eight-channel 200-GHz optically spaced signals into a 62.5-μm multimode-fiber array is reported. The wavelength range of operation is from 1549.32 to 1560.61 nm within the International Telecommunication Union grid. The measured wavelength accuracy is within 0.04 nm. The mean insertion loss of this DEMUX is 1.95 dB. Thermal analysis and temperature testing results are reported. The temperature test cycling from 20℃ to 60℃ indicates that the wavelength thermal drift is less than 0.8 pm/℃. Adjacent cross talk is measured to be better than -45 dB. The measured data transmission bit rate of this device is higher than 3.5 Gb/s.
机译：据报道，一种高密度波分多路分解器（DEMUX）能够将8通道200 GHz光学间隔的信号多路分解为62.5μm多模光纤阵列。在国际电信联盟网格内，操作的波长范围是1549.32至1560.61 nm。测得的波长精度在0.04 nm之内。该DEMUX的平均插入损耗为1.95 dB。报告了热分析和温度测试结果。从20℃到60℃的温度测试循环表明，波长热漂移小于0.8 pm /℃。测量到相邻串扰优于-45 dB。该设备的测量数据传输比特率高于3.5 Gb / s。

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