Toward a power-efficient backbone network: The state of research

MN Dharmaweera, R Parthiban… - … Surveys & Tutorials, 2014 - ieeexplore.ieee.org
The year-by-year increase in electricity consumption significantly affects all nations today
from environmental, social, and economic perspectives. Various studies show that, among …

Prospects and challenges of multi-layer optical networks

K Sato, H Hasegawa - IEICE transactions on communications, 2007 - search.ieice.org
This paper investigates the prospects and challenges of hierarchical optical path networks.
The merits and issues of introducing higher order optical paths are elucidated. State of the …

Optical networking technologies that will create future bandwidth-abundant networks

K Sato, H Hasegawa - Journal of Optical Communications and …, 2009 - opg.optica.org
The transport network paradigm is moving toward next-generation networks that aim at IP
convergence, while architectures and technologies are diversifying. Video technologies …

Towards elastic and fine-granular bandwidth allocation in spectrum-sliced optical networks

Y Wang, X Cao, Q Hu, Y Pan - Journal of Optical Communications …, 2012 - opg.optica.org
To overcome the inefficiency of the rigid frequency allocation in traditional wavelength
division multiplexing (WDM) networks, the idea of slicing the optical spectrum for elastic and …

Comparison of face verification results on the XM2VTFS database

J Matas, M Hamouz, K Jonsson, J Kittler… - Proceedings 15th …, 2000 - ieeexplore.ieee.org
Presents results of the face verification contest that was organized in conjunction with
International Conference on Pattern Recognition 2000. Participants had to use identical data …

Fully-elastic multi-granular network with space/frequency/time switching using multi-core fibres and programmable optical nodes

N Amaya, M Irfan, G Zervas, R Nejabati… - Optics …, 2013 - opg.optica.org
We present the first elastic, space division multiplexing, and multi-granular network based
on two 7-core MCF links and four programmable optical nodes able to switch traffic utilising …

Continuously wavelength-tunable passband-flattened fiber comb filter based on polarization-diversified loop structure

J Jung, YW Lee - Scientific Reports, 2017 - nature.com
Continuous wavelength tuning of optical comb filters, which is an essential functionality for
flexible signal processing in reconfigurable optical systems, has been challenging in high …

Framework for waveband switching in multigranular optical networks: part I-multigranular cross-connect architectures

X Cao, V Anand, C Qiao - Journal of Optical Networking, 2006 - opg.optica.org
Feature Issue on Waveband Switching, Routing, and Grooming Optical networks using
wavelength-division multiplexing (WDM) are the foremost solution to the ever-increasing …

Multi-granular optical switching: A classified overview for the past and future

Y Wang, X Cao - IEEE Communications Surveys & Tutorials, 2011 - ieeexplore.ieee.org
The wavelength routed network (WRN) accommodates traffic demands by establishing
lightpaths along the corresponding routing paths. The wavelength of each lightpath is …

An efficient hierarchical optical path network design algorithm based on a traffic demand expression in a Cartesian product space

I Yagyu, H Hasegawa, K Sato - IEEE Journal on Selected Areas …, 2008 - ieeexplore.ieee.org
We propose a hierarchical optical path network design algorithm. In order to efficiently
accommodate wavelength paths in each waveband path, we define a source-destination …