Evolution of fiber-optic transmission and networking toward the 5G era

X Liu - Iscience, 2019 - cell.com
Optical networks are supporting a wide range of communication services including
residential services, enterprise services, and mobile services. Figure 1 illustrates a typical …

LCoS SLM study and its application in wavelength selective switch

M Wang, L Zong, L Mao, A Marquez, Y Ye, H Zhao… - Photonics, 2017 - mdpi.com
The Liquid-Crystal on Silicon (LCoS) spatial light modulator (SLM) has been used in
wavelength selective switch (WSS) systems since the 1990s. However, most of the LCoS …

Low-cost CDC ROADM architecture based on stacked wavelength selective switches

H Yang, B Robertson, P Wilkinson… - Journal of Optical …, 2017 - ieeexplore.ieee.org
A highly flexible, stacked, switch module is proposed, wherein multiple independent 1× N
wavelength selective switches (WSSs) can be realized on a single 4k liquid crystal on silicon …

Colorless, partially directionless, and contentionless architecture for high-degree ROADMs

Y Li, J Lin, L Zong, SK Bose… - Journal of Optical …, 2022 - ieeexplore.ieee.org
With the rapid growth of Internet traffic, there can be multiple pairs of bi-directional fibers on
a network link. This leads to the need for high-degree reconfigurable optical add/drop …

Emerging optical communication technologies for 5G

X Liu, N Deng - Optical fiber telecommunications VII, 2020 - Elsevier
To address the new requirements on optical networks imposed by the upcoming fifth-
generation wireless (5G), such as high bandwidth, low latency, accurate synchronization …

CDC ROADM design tradeoffs due to physical layer impairments in optical networks

D Sequeira, L Cancela, J Rebola - Optical Fiber Technology, 2021 - Elsevier
In this work, we assess the impact of several physical layer impairments (PLIs) on the
performance of optical networks based on colorless, directionless and contentionless …

AWG-based nonblocking shuffle-exchange networks

T Ye, J Ding, TT Lee, G Maier - IEEE/ACM Transactions on …, 2020 - ieeexplore.ieee.org
Optical shuffle-exchange networks (SENs) have wide application in different kinds of
interconnection networks. This article proposes an approach to construct modular optical …

Colorless, partially directional, and contentionless architecture for high-degree ROADMs

Y Li, L Zong, M Gao, B Mukherjee… - Optical Fiber …, 2020 - opg.optica.org
We design a new Colorless, partially Directional, and Contentionless (CpDC) architecture
for high-degree ROADMs, in which a fixed interconnection pattern is developed to connect …

Optical technology for NFV converged networks

P Iovanna, A Bigongiari, A Bianchi, S Menezo… - Applied Sciences, 2021 - mdpi.com
5G and its evolution towards 6G is unlocking new use cases that will require the
reconsideration of the existing network architectures and its operation. As the network will be …

Colorless, directionless, contentionless optical network using MXN wavelength selective switches

P Colbourne, B Smith - US Patent 10,476,624, 2019 - Google Patents
A first configuration of an optical node may include a set of degrees, each including an
inbound wavelength selective switch (WSS) and an outbound WSS. The first configuration …