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Continued cost- and power-efficient capacity scaling in optical networks is imperative to keep pace with ever-increasing traffic demands. In this paper, we investigate multi-wavelength transponders as a potential way forward. Suitable…

Networking and Internet Architecture · Computer Science 2023-05-15 Jasper Müller , Ognjen Jovanovic , Tobias Fehenberger , Gabriele Di Rosa , Jörg-Peter Elbers , Carmen Mas-Machuca

In this paper we study different options for the survivability implementation in MPLS over Optical Transport Networks (OTN) in terms of network resource usage and configuration cost. We investigate two approaches to the survivability…

Networking and Internet Architecture · Computer Science 2007-10-24 Wojtek Bigos , Bernard Cousin , Stéphane Gosselin , Morgane Le Foll , Hisao Nakajima

Photonic lanterns allow the decomposition of highly multimodal light into a simplified modal basis such as single-moded and/or few-moded. They are increasingly finding uses in astronomy, optics and telecommunications. Calculating…

Communication systems at millimeter-wave (mmW) and sub-terahertz frequencies are of increasing interest for future high-data rate networks. One critical challenge faced by phased array systems at these high frequencies is the efficiency of…

Signal Processing · Electrical Eng. & Systems 2022-02-18 Benjamin W. Domae , Ruifu Li , Danijela Cabric

We use channel probing to determine the best transponder configurations for spectral services in a long-haul production network. An estimation accuracy better than +/- 0,7dB in GSNR margin is obtained for lightpaths up to 5738km.

Networking and Internet Architecture · Computer Science 2021-08-31 Kaida Kaeval , Danish Rafique , Kamil Blawat , Klaus Grobe , Helmut Griesser , Joerg-Peter Elbers , Piotr Rydlichowski , Artur Binczewski , Marko Tikas

As the demand of wireless communication continues to rise, the radio spectrum (a finite resource) requires increasingly efficient utilization. This trend is driving the evolution from static, stand-alone spectrum allocation toward spectrum…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Hao Guo , Ruoyu Sun , Amir Hossein Fahim Raouf , Rahil Gandotra , Jiayu Mao , Mark Poletti

In this paper we study different options for the survivability implementation in MPLS over Optical Transport Networks in terms of network resource usage and configuration cost. We investigate two approaches to the survivability deployment:…

Networking and Internet Architecture · Computer Science 2007-10-23 Wojtek Bigos , Stéphane Gosselin , Bernard Cousin , Morgane Le Foll , Hisao Nakajima

Transmission matrices, mapping the propagation of light from one end of the tissue to the other, form an important mathematical tool in the analysis of tissue scattering and the design of wavefront shaping systems. To understand the…

Optics · Physics 2025-04-01 Anat Levin , Marina Alterman

The next generation wireless systems will face stringent new requirements, including ultra-low latency, high data rates and enhanced reliability. Large Intelligent Surfaces, is one proposed solution that has the potential to solve these…

Signal Processing · Electrical Eng. & Systems 2025-10-16 Lina Tinnerberg , Dumitra Iancu , Ove Edfors , Liang Liu , Juan Vidal Alegría

In facing with the explosive Internet traffic growth, optical transport networks based on WDM technologies forming the core part of Internet infrastructure carrying multi-Tb/s has to be re-considered from both designing, planning, operation…

Networking and Internet Architecture · Computer Science 2021-05-19 Dao Thanh Hai , Le Anh Ngoc

Wireless Power Transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, Radio Frequency identification (RFID) networks, etc. Although there has been some progress…

Information Theory · Computer Science 2017-10-11 Yang Huang , Bruno Clerckx

A detailed rate-equation-based model is developed to study carrier transport effects on optical and electrical characteristics of the Multiple Quantum Well Heterojunction Bipolar Transistor Laser in time-domain. Simulation results extracted…

Optics · Physics 2015-06-05 Iman Taghavi , Hassan Kaatuzian , Jean-Pierre Leburton

We demonstrate transfer learning-assisted neural network models for optical matrix multipliers with scarce measurement data. Our approach uses <10\% of experimental data needed for best performance and outperforms analytical models for a…

Machine Learning · Computer Science 2022-11-30 Ali Cem , Ognjen Jovanovic , Siqi Yan , Yunhong Ding , Darko Zibar , Francesco Da Ros

The 5th generation (5G) new radio (NR) access technology and the beyond-5G future wireless communication require extremely high data rate and spectrum efficiency. Energy-efficient transmission/reception schemes are also regarded as an…

Signal Processing · Electrical Eng. & Systems 2024-04-04 Paul Oh , Sean Kwon

We present a multi-tenant multi-wavelength upstream transmission scheme for virtualised PONs, enabling compliance with latency-oriented Service Level Agreements (SLAs). Our analysis highlights an important trade-off between single-channel…

Networking and Internet Architecture · Computer Science 2024-02-26 Arijeet Ganguli , Marco Ruffini

Thesis Statement: Cost-effective switching and spectrum utilization efficiency have become critical design considerations in optical networks. This dissertation provides in-depth exploration of these important aspects, and proposes…

Networking and Internet Architecture · Computer Science 2019-01-30 Jingxin Wu

Network layers are analyzed for their design and issues of researches, while dense wavelength division multiplexing equipment has been deployed in networks of major telecommunications carriers for a long time, the efficiency of networking…

Networking and Internet Architecture · Computer Science 2014-04-08 Gourav Verma , Deepika Ramaiya

Networks of superconducting optoelectronic neurons are investigated for their near-term technological potential and long-term physical limitations. Networks with short average path length, high clustering coefficient, and power-law degree…

Neural and Evolutionary Computing · Computer Science 2018-05-17 Jeffrey M. Shainline , Jeff Chiles , Sonia M. Buckley , Adam N. McCaughan , Richard P. Mirin , Sae Woo Nam

Consider a MIMO interference channel whereby each transmitter and receiver are equipped with multiple antennas. The basic problem is to design optimal linear transceivers (or beamformers) that can maximize system throughput. The recent work…

Information Theory · Computer Science 2010-09-20 Meisam Razaviyayn , Maziar Sanjabi , Zhi-Quan Luo

Wireless communication systems exhibit structural and functional similarities to neural networks: signals propagate through cascaded elements, interact with the environment, and undergo transformations. Building upon this perspective, we…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Meng Hua , Itsik Bergel , Tolga Girici , Marco Di Renzo , Deniz Gunduz
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