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Title: | Chip-to-chip optical multimode communication with universal mode processors | Authors: | Wu, B Zhang, WK Zhou, HL Dong, JJ Huang, DM Wai, PKA Zhang, XL |
Issue Date: | 2023 | Source: | PhotoniX, 2023, v. 4, 37 | Abstract: | The increasing amount of data exchange requires higher-capacity optical communication links. Mode division multiplexing (MDM) is considered as a promising technology to support the higher data throughput. In an MDM system, the mode generator and sorter are the backbone. However, most of the current schemes lack the programmability and universality, which makes the MDM link susceptible to the mode crosstalk and environmental disturbances. In this paper, we propose an intelligent multimode optical communication link using universal mode processing (generation and sorting) chips. The mode processor consists of a programmable 4 x 4 Mach Zehnder interferometer (MZI) network and can be intelligently configured to generate or sort both quasi linearly polarized (LP) modes and orbital angular momentum (OAM) modes in any desired routing state. We experimentally establish a chip-to-chip MDM communication system. The mode basis can be freely switched between four LP modes and four OAM modes. We also demonstrate the multimode optical communication capability at a data rate of 25 Gbit/s. The proposed scheme shows significant advantages in terms of universality, intelligence, programmability and resistance to mode crosstalk, environmental disturbances, and fabrication errors, demonstrating that the MZI-based reconfigurable mode processor chip has great potential in long-distance chip-to-chip multimode optical communication systems. | Keywords: | Optical mode generation/sorting Multimode communication Optical matrix network Reconfigurability |
Publisher: | SpringerOpen | Journal: | PhotoniX | EISSN: | 2662-1991 | DOI: | 10.1186/s43074-023-00114-3 | Rights: | © The Author(s) 2023. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The following publication Wu, B., Zhang, W., Zhou, H. et al. Chip-to-chip optical multimode communication with universal mode processors. PhotoniX 4, 37 (2023) is available at https://dx.doi.org/10.1186/s43074-023-00114-3. |
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