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Mid-board miniature dual channel optical transmitter MTx and transceiver MTRx

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arxiv 2009.08623 v1 pith:MBQ6CTNF submitted 2020-09-18 physics.ins-det

Xiandong Zhao , Chonghan Liu , Datao Gong , Jinghong Chen , Di Guo , Huiqin He , Suen Hou , Guangming Huang
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Xiaoting Li Tiankun Liu Xiangming Sun Ping-Kun Teng Le Xiao Annie C. Xiang Jingbo Ye
This is my paper
classification physics.ins-det
keywords channelmtrxtosacouplingdatadualrosafiber
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We report the development of a mid-board, TOSA and ROSA based miniature dual channel optical transmitter (MTx) and a transceiver (MTRx). The design transmission data rate is 5.12 Gbps per channel and receiving data rate 4.8 Gbps. MTx and MTRx are only 6 mm tall and are electrically and optically pluggable. Although the fiber TOSA/ROSA coupling is through a custom latch, the fiber uses the standard LC ferrule, flange and spring. Light coupling is ensured by the TOSA and ROSA with the LC coupling mechanism. With the dual channel serializer LOCx2 sits under MTx, one achieves high data transmission with a small PCB footprint, and enjoys the reliability of the hermetically packaged TOSA. MTx and MTRx are designed for detector front-end readout of the ATLAS Liquid Argon Calorimeter (LAr) trigger upgrade.

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