Photonic integrated WDM cross-connects for optical metro and data center networks

N. Calabretta; K. Prifti; N. Tessema; X. Xue; B. Pan; R. Stabile

doi:10.1117/12.2508897

1 February 2019 Photonic integrated WDM cross-connects for optical metro and data center networks

N. Calabretta, K. Prifti, N. Tessema, X. Xue, B. Pan, R. Stabile

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Proceedings Volume 10946, Metro and Data Center Optical Networks and Short-Reach Links II; 1094603 (2019) https://doi.org/10.1117/12.2508897
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

We present a scalable and novel modular optical metro core node architecture and low cost metro access node architectures with edge computing functionalities employing photonic WDM integrated switches. Photonic integrated switches has been des igned as the building blocks to realize the modular metro node architectures, namely photonic WDM switches with express and add/drop ports, photonic integrated WSS aggregation/disaggregation functions for merging/dropping the network traffic, and photonic integrated multi-cast switch (MCS), as well as bandwidth variable transceivers aggregators to achieve multi-Terabits/second operation. Moreover, a dynamic re-configurable metro-access nodes based on low-cost 2-degree photonic integrated mini-ROADMs will be discussed. The lossless photonic WDM switches are based on InP technology and employ semiconductor optical amplifiers as on -chip gain element and fast switch. The photonic WDM circuits allows to switch multiple format data signals in wavelength, space, and time for full flexibility, scalability of the interconnected network elements as well as capacity. Applications to data center interconnects and 5G will be discussed and experimental results reported.

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N. Calabretta, K. Prifti, N. Tessema, X. Xue, B. Pan, and R. Stabile "Photonic integrated WDM cross-connects for optical metro and data center networks", Proc. SPIE 10946, Metro and Data Center Optical Networks and Short-Reach Links II, 1094603 (1 February 2019); https://doi.org/10.1117/12.2508897

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KEYWORDS

Wavelength division multiplexing

Switches

Switching

Integration

Channel projecting optics

Integrated optics

Network architectures

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