Optical combs and multicore fiber as technology enablers for next-generation datacenter infrastructure

Roberto Llorente; Vicente Fito; Maria Morant

doi:10.1117/12.2615351

3 March 2022 Optical combs and multicore fiber as technology enablers for next-generation datacenter infrastructure

Roberto Llorente, Vicente Fito, Maria Morant

Proceedings Volume 12027, Metro and Data Center Optical Networks and Short-Reach Links V; 120270E (2022) https://doi.org/10.1117/12.2615351
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Next-generation datacenters must address specific space requirements imposed by the tight packing of processing units employing a high-capacity optical network with minimum footprint. We evaluate up to 400G transmission with four multiplexed PAM4 channels considering different carrier separation and optical filter BW to isolate each line of an optical comb. MCF media is proposed to reduce the footprint. The expected MCF crosstalk is calculated for different number of cores, core pitch and lengths. The resulting BER for different OSNR is also analyzed. The suitability of using two comb lines for sub-THz upconversion with optical heterodyning is confirmed by simulation and experimentally.

Conference Presentation

Citation Download Citation

Roberto Llorente, Vicente Fito, and Maria Morant "Optical combs and multicore fiber as technology enablers for next-generation datacenter infrastructure", Proc. SPIE 12027, Metro and Data Center Optical Networks and Short-Reach Links V, 120270E (3 March 2022); https://doi.org/10.1117/12.2615351

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