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Ultrafast optical circuit switching for data centers using integrated soliton microcombs

Due to the slowdown of Moore’s law, it will become increasingly challenging to efficiently scale the network in current data centers utilizing electrical packet switches as data rates grow. Optical circuit switches (OCS) represent an appealing option to overcome this issue by eliminating the need fo...

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Autores principales: Raja, Arslan Sajid, Lange, Sophie, Karpov, Maxim, Shi, Kai, Fu, Xin, Behrendt, Raphael, Cletheroe, Daniel, Lukashchuk, Anton, Haller, Istvan, Karinou, Fotini, Thomsen, Benn, Jozwik, Krzysztof, Liu, Junqiu, Costa, Paolo, Kippenberg, Tobias Jan, Ballani, Hitesh
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8520010/
https://www.ncbi.nlm.nih.gov/pubmed/34654810
http://dx.doi.org/10.1038/s41467-021-25841-8
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author Raja, Arslan Sajid
Lange, Sophie
Karpov, Maxim
Shi, Kai
Fu, Xin
Behrendt, Raphael
Cletheroe, Daniel
Lukashchuk, Anton
Haller, Istvan
Karinou, Fotini
Thomsen, Benn
Jozwik, Krzysztof
Liu, Junqiu
Costa, Paolo
Kippenberg, Tobias Jan
Ballani, Hitesh
author_facet Raja, Arslan Sajid
Lange, Sophie
Karpov, Maxim
Shi, Kai
Fu, Xin
Behrendt, Raphael
Cletheroe, Daniel
Lukashchuk, Anton
Haller, Istvan
Karinou, Fotini
Thomsen, Benn
Jozwik, Krzysztof
Liu, Junqiu
Costa, Paolo
Kippenberg, Tobias Jan
Ballani, Hitesh
author_sort Raja, Arslan Sajid
collection PubMed
description Due to the slowdown of Moore’s law, it will become increasingly challenging to efficiently scale the network in current data centers utilizing electrical packet switches as data rates grow. Optical circuit switches (OCS) represent an appealing option to overcome this issue by eliminating the need for expensive and power-hungry transceivers and electrical switches in the core of the network. In particular, optical switches based on tunable lasers and arrayed waveguide grating routers are quite promising due to the use of a passive core, which increases fault tolerance and reduces management overhead. Such an OCS-network can offer high bandwidth, low network latency and an energy-efficient and scalable data center network. To support dynamic data center workloads efficiently, however, it is critical to switch between wavelengths at nanosecond (ns) timescales. Here we demonstrate ultrafast OCS based on a microcomb and semiconductor optical amplifiers (SOAs). Using a photonic integrated Si(3)N(4) microcomb, sub-ns (<520 ps) switching along with the 25-Gbps non-return-to-zero (NRZ) and 50-Gbps four-level pulse amplitude modulation (PAM-4) burst mode data transmission is achieved. Further, we use a photonic integrated circuit comprising an Indium phosphide based SOA array and an arrayed waveguide grating to show sub-ns switching (<900 ps) along with 25-Gbps NRZ burst mode transmission providing a path towards a more scalable and energy-efficient wavelength-switched network for data centers in the post Moore’s Law era.
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spelling pubmed-85200102021-10-29 Ultrafast optical circuit switching for data centers using integrated soliton microcombs Raja, Arslan Sajid Lange, Sophie Karpov, Maxim Shi, Kai Fu, Xin Behrendt, Raphael Cletheroe, Daniel Lukashchuk, Anton Haller, Istvan Karinou, Fotini Thomsen, Benn Jozwik, Krzysztof Liu, Junqiu Costa, Paolo Kippenberg, Tobias Jan Ballani, Hitesh Nat Commun Article Due to the slowdown of Moore’s law, it will become increasingly challenging to efficiently scale the network in current data centers utilizing electrical packet switches as data rates grow. Optical circuit switches (OCS) represent an appealing option to overcome this issue by eliminating the need for expensive and power-hungry transceivers and electrical switches in the core of the network. In particular, optical switches based on tunable lasers and arrayed waveguide grating routers are quite promising due to the use of a passive core, which increases fault tolerance and reduces management overhead. Such an OCS-network can offer high bandwidth, low network latency and an energy-efficient and scalable data center network. To support dynamic data center workloads efficiently, however, it is critical to switch between wavelengths at nanosecond (ns) timescales. Here we demonstrate ultrafast OCS based on a microcomb and semiconductor optical amplifiers (SOAs). Using a photonic integrated Si(3)N(4) microcomb, sub-ns (<520 ps) switching along with the 25-Gbps non-return-to-zero (NRZ) and 50-Gbps four-level pulse amplitude modulation (PAM-4) burst mode data transmission is achieved. Further, we use a photonic integrated circuit comprising an Indium phosphide based SOA array and an arrayed waveguide grating to show sub-ns switching (<900 ps) along with 25-Gbps NRZ burst mode transmission providing a path towards a more scalable and energy-efficient wavelength-switched network for data centers in the post Moore’s Law era. Nature Publishing Group UK 2021-10-15 /pmc/articles/PMC8520010/ /pubmed/34654810 http://dx.doi.org/10.1038/s41467-021-25841-8 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Raja, Arslan Sajid
Lange, Sophie
Karpov, Maxim
Shi, Kai
Fu, Xin
Behrendt, Raphael
Cletheroe, Daniel
Lukashchuk, Anton
Haller, Istvan
Karinou, Fotini
Thomsen, Benn
Jozwik, Krzysztof
Liu, Junqiu
Costa, Paolo
Kippenberg, Tobias Jan
Ballani, Hitesh
Ultrafast optical circuit switching for data centers using integrated soliton microcombs
title Ultrafast optical circuit switching for data centers using integrated soliton microcombs
title_full Ultrafast optical circuit switching for data centers using integrated soliton microcombs
title_fullStr Ultrafast optical circuit switching for data centers using integrated soliton microcombs
title_full_unstemmed Ultrafast optical circuit switching for data centers using integrated soliton microcombs
title_short Ultrafast optical circuit switching for data centers using integrated soliton microcombs
title_sort ultrafast optical circuit switching for data centers using integrated soliton microcombs
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8520010/
https://www.ncbi.nlm.nih.gov/pubmed/34654810
http://dx.doi.org/10.1038/s41467-021-25841-8
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