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Arbitrarily routed mode-division multiplexed photonic circuits for dense integration.


ABSTRACT: On-chip integrated mode-division multiplexing (MDM) is an emerging technique for large-capacity data communications. In the past few years, while several configurations have been developed to realize on-chip MDM circuits, their practical applications are significantly hindered by the large footprint and inter-mode cross talk. Most importantly, the high-speed MDM signal transmission in an arbitrarily routed circuit is still absent. Herein, we demonstrate the MDM circuits based on digitized meta-structures which have extremely compact footprints. 112 Gbit/s signals encoded on each mode are arbitrarily routed through the circuits consisting of many sharp bends and compact crossings with a bit error rate under forward error correction limit. This will significantly improve the integration density and benefit various on-chip multimode optical systems.

SUBMITTER: Liu Y 

PROVIDER: S-EPMC6646402 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Arbitrarily routed mode-division multiplexed photonic circuits for dense integration.

Liu Yingjie Y   Xu Ke K   Wang Shuai S   Shen Weihong W   Xie Hucheng H   Wang Yujie Y   Xiao Shumin S   Yao Yong Y   Du Jiangbing J   He Zuyuan Z   Song Qinghai Q  

Nature communications 20190722 1


On-chip integrated mode-division multiplexing (MDM) is an emerging technique for large-capacity data communications. In the past few years, while several configurations have been developed to realize on-chip MDM circuits, their practical applications are significantly hindered by the large footprint and inter-mode cross talk. Most importantly, the high-speed MDM signal transmission in an arbitrarily routed circuit is still absent. Herein, we demonstrate the MDM circuits based on digitized meta-s  ...[more]

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