Ultra-dense wavelength switched network: A special EON paradigm for metro optical networks

G Shen, Y Zhang, X Zhou, Y Sheng… - IEEE …, 2018 - ieeexplore.ieee.org
Intensive video and cloud computing services are putting much pressure on metro networks
to meet stringent requirements such as low latency, low power consumption, and high …

An ultradense wavelength switched network

X Zhou, W Jia, Y Ma, N Deng, G Shen… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
We propose and investigate an ultradense wavelength switched network (UD-WSN) for
metro and regional applications. The UD-WSN provides all-optical switching and end-to-end …

Cost-effective ROADM design to maximize the Traffic Load Capacity of u-DWDM coherent metro-access networks

S Sarmiento, S Spadaro, JA Lazaro - Optical Switching and Networking, 2018 - Elsevier
The current constant growing in traffic demands caused by the popularization of cloud
services, mobile and social networks is requiring architectural changes at the underlying …

Spectrum defragmentation and partial OTN switching in ultra-dense wavelength switched network (UD-WSN)

Y Zhang, X Zhou, Y Sheng, N Deng… - 2017 19th International …, 2017 - ieeexplore.ieee.org
We have introduced a novel metro network architecture called Ultra-Dense Wavelength
Switched Network (UD-WSN)[1], which enables an even fine spectrum granularity so as to …

Elastic optical networking: Roles and benefits in beyond 100-Gb/s era

M Jinno - Journal of Lightwave Technology, 2016 - ieeexplore.ieee.org
Emerging technologies such as spectrally efficient multicarrier higher order modulation and
bandwidth variable wavelength selective switches have led to a change in the optical …

Flexible coherent UDWDM-PON adapting dynamically to different bandwidths

J Segarra, V Sales, J Prat… - 2017 19th International …, 2017 - ieeexplore.ieee.org
Ultra-Dense Wavelength Division Multiplexing (UDWDM) is a candidate for future Passive
Optical Networks (PONs) to sustain the increase of access traffic, providing enhanced …

Cost-effective DWDM ROADM design for flexible sustainable optical metro–access networks

S Sarmiento, JA Altabas, D Izquierdo… - Journal of Optical …, 2017 - opg.optica.org
Architectural changes are required for the underlying networks to support the expected
Internet data traffic volume growth caused by the popularization of cloud services, 5G-based …

All-optical OXC transition strategy from WDM optical network to elastic optical network

X Chen, J Li, B Guo, P Zhu, R Tang, Z Chen, Y He - Optics Express, 2016 - opg.optica.org
Elastic optical network (EON) has been proposed recently as a spectrum-efficient optical
layer to adapt to rapidly-increasing traffic demands instead of current deployed wavelength …

Split spectrum: a multi-channel approach to elastic optical networking

M Xia, R Proietti, S Dahlfort, SJB Yoo - Optics Express, 2012 - opg.optica.org
This paper introduces Split Spectrum, which enhances elastic optical networking by splitting
a bulk traffic demand into multiple channels, when a single-channel transmission is …

Innovation and demonstration of optical service unit-based metro-optimized OTN technologies

R Jing, C Zhang, H Zhou, J Li, W Qiuyou… - Journal of Optical …, 2022 - opg.optica.org
To efficiently support the transport of sub-1-Gbps services, an optical service unit (OSU)-
based metro-optimized optical transport network (M-OTN) technology framework is …