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The extension of elastic optical networks (EON) to multi-band transmission (MB-EON) shows promise in enhancing spectral efficiency, throughput, and long-term cost-effectiveness for telecom operators. However, designing MB-EON networks…

Many optical circuit switched data center networks (DCN) have been proposed in the past to attain higher capacity and topology reconfigurability, though commercial adoption of these architectures have been minimal. One major challenge these…

Networking and Internet Architecture · Computer Science 2020-10-02 Min Yee Teh , Shizhen Zhao , Peirui Cao , Keren Bergman

Emerging reconfigurable optical communication technologies allow to enhance datacenter topologies with demand-aware links optimized towards traffic patterns. This paper studies the algorithmic problem of jointly optimizing topology and…

Performance · Computer Science 2024-01-10 Wenkai Dai , Michael Dinitz , Klaus-Tycho Foerster , Long Luo , Stefan Schmid

To accommodate ever-growing traffic, network operators are actively deploying high-degree reconfigurable optical add/drop multiplexers (ROADMs) to build large-capacity optical networks. High-degree ROADM-based optical networks have multiple…

Networking and Internet Architecture · Computer Science 2025-02-25 Ruikun Wang , Qiaolun Zhang , Jiawei Zhang , Zhiqun Gu , Memedhe Ibrahimi , Hao Yu , Bojun Zhang , Francesco Musumeci , Yuefeng Ji , Massimo Tornatore

The development of deep neural networks is witnessing fast growth in network size, which requires novel hardware computing platforms with large bandwidth and low energy consumption. Optical computing has been a potential candidate for…

Data randomization or scrambling has been effectively used in various applications to improve the data security. In this paper, we use the idea of data randomization to proactively randomize the spectrum (re)allocation to improve…

Networking and Internet Architecture · Computer Science 2016-04-19 Sandeep Kumar Singh , Wolfgang Bziuk , Admela Jukan

The implementation of 5G and the future deployment of 6G necessitate the utilization of optical networks that possess substantial capacity and exhibit minimal latency. The dynamic arrival and departure of connection requests in optical…

Networking and Internet Architecture · Computer Science 2024-12-17 Baljinder Singh Heera , Shrinivas Petale , Yatindra Nath Singh , Suresh Subramaniam

We propose an energy-efficient procedure for transponder configuration in FMF-based elastic optical networks in which quality of service and physical constraints are guaranteed and joint optimization of transmit optical power, temporal,…

Information Theory · Computer Science 2017-05-30 Mohammad Hadi , Mohammad Reza Pakravan

While ultrahigh-baud-rate optical signals are effective for extending the transmission distance of large capacity signals, they also reduce the number of wavelengths that can be arranged in a band because of their wider bandwidth. This…

Recent literature has proved that stable dynamic routing algorithms have solid theoretical foundation that makes them suitable to be implemented in a real protocol, and used in practice in many different operational network contexts. Such…

Networking and Internet Architecture · Computer Science 2008-12-18 Luca Muscariello , Diego Perino

The exponential growth of demand for high-speed internet and high bandwidth applications such as interactive entertainment in access networks mandates the requirement for higher optical signal speeds. On the other hand, since cost and…

Signal Processing · Electrical Eng. & Systems 2018-12-13 Mohammad Ghanbarisabagh , Gobi Vetharatnam , Elias Giacoumidis , Hossein Rouzegar , Nasreddine Mallouki

Mobile ad hoc networking (MANET) is a growing technology that can support the operation of adaptive wireless networks. With the increased demand rate of wireless applications it is useful to have more adaptive and self organizing…

Networking and Internet Architecture · Computer Science 2014-10-20 Biju Issac , Khairuddhin Ab Hamid , C. E. Tan

Diffractive optical neural networks (DONNs), leveraging free-space light wave propagation for ultra-parallel, high-efficiency computing, have emerged as promising artificial intelligence (AI) accelerators. However, their inherent lack of…

Optics · Physics 2024-11-11 Ziang Yin , Yu Yao , Jeff Zhang , Jiaqi Gu

Reconfigurable optical topologies are a promising new technology to improve datacenter network performance and cope with the explosive growth of traffic. In particular, these networks allow to directly and adaptively connect racks between…

Networking and Internet Architecture · Computer Science 2023-08-31 Marcin Bienkowski , David Fuchssteiner , Stefan Schmid

Deep learning has triggered explosive growth in the demand for specialized hardware processors, thus motivating the development of scalable and reconfigurable computing substrates. Optical processors offer a fundamentally different…

Metropolitan optical networks are undergoing major transformations to continue being able to provide services that meet the requirements of the applications of the future. The arrival of the $5G$ will expand the possibilities for offering…

Networking and Internet Architecture · Computer Science 2022-04-07 Léia Sousa de Sousa , André Costa Drummond

Throughput scaling laws of an ad hoc network equipping directional antennas at each node are analyzed. More specifically, this paper considers a general framework in which the beam width of each node can scale at an arbitrary rate relative…

Information Theory · Computer Science 2015-05-19 Jangho Yoon , Won-Yong Shin , Sang-Woon Jeon

An increasing bandwidth demand has mandated a shift to the time and wavelength division multiplexing (TWDM) techniques in optical access networks (OAN). Typical TWDM scheduling schemes consider scheduling of the optical line terminal…

Networking and Internet Architecture · Computer Science 2017-08-07 Chayan Bhar , Arnab Mitra , Goutam Das

Colorless, directionless, and contentionless reconfigurable optical add/drop multiplexing (CDC-ROADM) provides highly flexible physical layer network configuration. Such CDC-ROADM must operate in multiple wavelength bands which are being…

Reconfigurable data center networks (DCNs) enhance traditional architectures with optical circuit switches (OCSs), enabling dynamic reconfiguration of inter-pod links, i.e., the logical topology. Optimizing this topology is crucial for…

Networking and Internet Architecture · Computer Science 2025-12-22 Yingming Mao , Qiaozhu Zhai , Ximeng Liu , Xinchi Han , Fafan li , Shizhen Zhao , Yuzhou Zhou , Zhen Yao , Xia Zhu