In order to meet the recent vast demands of ICT bandwidth, next -gen 1 Tb/s-era high speed optical transceivers, such as 800Gbps and 1.6Tbps, began to be discussed in principal standards bodies in early 2021. Especially IEEE802.3, OIF and some specific MSA organizations have played important roles in the industry so as to lead the proper concepts and designs of the leading-edge high speed optical transceivers. Reviewing the recent activities of these standardization bodies, the emerging technical solutions such as Co -Packaging Optics, in addition to the transceiver pluggable solutions, are also to be examined and reported.
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