Hybrid optical-electrical data center networking: Challenges and solutions for bandwidth resource optimization

F Wang, H Yao, J Wang, T Mai, X Xin… - IEEE Communications …, 2022 - ieeexplore.ieee.org
Fast optical switching (FOS) is the most promising technology for data center networks
(DCNs) to meet data rate requirements beyond 800 Gb/s, considering its transparent …

Architecture and performance studies of 3D-Hyper-FleX-LION for reconfigurable all-to-all HPC networks

G Liu, R Proietti, M Fariborz, P Fotouhi… - … Conference for High …, 2020 - ieeexplore.ieee.org
While the Fat-Tree network topology represents the dominant state-of-art solution for large-
scale HPC networks, its scalability in terms of power, latency, complexity, and cost is …

Silicon photonic Flex-LIONS for reconfigurable multi-GPU systems

M Fariborz, X Xiao, P Fotouhi… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
The rapid increases in data-intensive applications demand for more powerful parallel
computing systems capable of parallel processing a large amount of data more efficiently …

Review of integrated photonic elastic wdm switches for data centers

ASP Khope, A Samanta, X Xiao, B Yoo… - arXiv preprint arXiv …, 2021 - arxiv.org
In this review paper, we present an elaborate discussion on wavelength selective switches
and their demonstrations. We also review packaging and electronic photonic integration of …

Fault-Tolerant General Beneš Networks

BC Lin - IEEE Transactions on Communications, 2023 - ieeexplore.ieee.org
Beneš networks are well-known rearrangeable nonblocking (RNB) multistage networks. The
so-called conventional Beneš networks are based on switches. In this paper, Beneš network …

2 λ switch

ASP Khope, S Liu, Z Zhang, AM Netherton… - Optics Letters, 2020 - opg.optica.org
We demonstrate an elastic multi-wavelength selective switch with up to two wavelength
switching capability per crosspoint. We fabricated the switch in a silicon photonics foundry …

Scalable multicast hybrid broadband-crossbar wavelength selective switch: proposal and analysis

ASP Khope, R Helkey, S Liu, S Khope, RC Alferness… - Optics Letters, 2021 - opg.optica.org
In this Letter, we present a new hybrid broadband-crossbar switching network that can
switch multiple wavelengths on demand and can also multicast. This switch fabric is an …

[HTML][HTML] Folded 15-channel arrayed waveguide gratings on silicon nitride platform with loop reflector

H Hu, Q Fang, S Wang, X Zhang, X Ma, M Gu, L Jia… - Optics …, 2021 - Elsevier
Abstract Silicon nitride (Si 3 N 4) arrayed waveguide gratings (AWGs) have been widely
used for dense wavelength division multiplexing systems because of their low loss and …

SL-Hyper-FleX: a cognitive and flexible-bandwidth optical datacom network by self-supervised learning

CY Liu, X Chen, Z Li, R Proietti… - Journal of Optical …, 2022 - opg.optica.org
This paper presents a cognitive flexible-bandwidth optical interconnect architecture for
datacom networks. The proposed architecture leverages silicon photonic reconfigurable all …

Software-defined optical networking applications enabled by programmable integrated photonics

Z Xie, D Sánchez-Jácome, L Torrijos-Morán… - Journal of Optical …, 2024 - opg.optica.org
Data center networks are experiencing unprecedented exponential growth, mostly driven by
the continuous computing demands in machine learning and artificial intelligence …