Self-homodyne coherent link using 4-core fiber.pdf (1.14 MB)
Download fileA 4-Core Single-Mode Fiber Based Full Duplex Self-Homodyne Link for Coherent Data Center Interconnects
preprint
posted on 2022-05-13, 15:48 authored by Aboobackkar SidhiqueAboobackkar Sidhique, Shekhar Saxena, Pramod Mishra, Shubham Roy, Arvind Mishra, Shalabh GuptaWe propose a coherent bidirectional link over a 4-core single-mode fiber for short-reach data center interconnects (DCIs). The proposed self-homodyne coherent link efficiently utilizes all the polarization and spatial modes in the fiber (by polarization multiplexing the carrier in two of the cores) to achieve a single-fiber full-duplex high capacity interconnect, while also providing the advantages of self-homodyning. For proof-of-the-concept, a single-lambda 13km bidirectional 40 Gbaud 16-QAM link, achieving 2×400 Gbps data rate (after 20% FEC overheads), is demonstrated. With wavelength division multiplexing and higher baud-rates, the approach can help meet the upcoming requirements for high-capacity DCIs.
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Email Address of Submitting Author
aboobackkar@iitb.ac.inORCID of Submitting Author
https://orcid.org/ 0000-0002-7908-1231Submitting Author's Institution
Indian Institute of Technology BombaySubmitting Author's Country
- India