Results 11 to 20 of about 42,351 (195)

1-Pbps orbital angular momentum fibre-optic transmission

Light: Science & Applications, 2022
A 1-Pbps orbital-angular-momentum fibre-optic transmission system that combines space-division multiplexing and wavelength-division multiplexing in a 34 km 7-core ring-core fibre is demonstrated utilizing low-complexity 4 × 4 MIMO equalization.
Junyi Liu, Jingxing Zhang, Jie Liu, Zhenrui Lin, Zhenhua Li, Zhongzheng Lin, Junwei Zhang, Cong Huang, Shuqi Mo, Lei Shen, Shuqing Lin, Yujie Chen, Ran Gao, Lei Zhang, Xiaobo Lan, Xinlun Cai, Zhaohui Li, Siyuan Yu   +17 more
doaj   +1 more source

Cylindrical vector beam multiplexer/demultiplexer using off-axis polarization control

Light: Science & Applications, 2021
The emergence of cylindrical vector beam (CVB) multiplexing has opened new avenues for high-capacity optical communication. Although several configurations have been developed to couple/separate CVBs, the CVB multiplexer/demultiplexer remains elusive due
Shuqing Chen, Zhiqiang Xie, Huapeng Ye, Xinrou Wang, Zhenghao Guo, Yanliang He, Ying Li, Xiaocong Yuan, Dianyuan Fan   +8 more
doaj   +1 more source

Radio-over-Fibersystem Capacity Improvements by Using Wavelength Division Multiplexing and Subcarrier Multiplexing Techniques [PDF]

Engineering and Technology Journal, 2015
Radio-over-Fiber (RoF) system refers to the radio signals which are modulated with optical signal and transmitted over optical fiber link from Central Office (CO) to the Remote Nodes (RNs).In this paper, RoF system with Wavelength Division Multiplexing ...
Mustafa A. Jalil, Aied K. AL-Samarrie
doaj   +1 more source

Fault Tolerant Dense Wavelength Division Multiplexing Optical Transport Networks

Journal of Telecommunications and Information Technology, 2023
Design of fault tolerant dense wavelength division multiplexing (DWDM) backbones is a major issue for service provision in the presence of failures. The problem is an NP-hard problem.
Yousef S. Kavian, Wei Ren, Majid Naderi, Mark S. Leeson, Evor L. Hines   +4 more
doaj   +1 more source

Multiclass scheduling algorithms for the DAVID metro network [PDF]

, 2004
—The data and voice integration over dense wavelength-division-multiplexing (DAVID) project proposes a metro network architecture based on several wavelength-division-multiplexing (WDM) rings interconnected via a bufferless optical switch called Hub. The
Andrea Bianco, Davide Careglio, Emilio Leonardi, Fabio Neri, Giulio Galante, Jorge M. Finochietto, Josep Solé-pareta, Salvatore Spadaro, Student Member   +8 more
core   +2 more sources

Energy-efficiency improvements for optical access [PDF]

, 2014
This article discusses novel approaches to improve energy efficiency of different optical access technologies, including time division multiplexing passive optical network (TDM-PON), time and wavelength division multiplexing PON (TWDM-PON), point-to ...
Anthapadmanabhan, P, Chow, H, Kanonakis, K, Lannoo, Bart, Lee, K-L, Saliou, F, Suvakovic, D, Vetter, P, Yin, Xin   +8 more
core   +1 more source

Optical Networking Beyond WDM

IEEE Photonics Journal, 2012
Wavelength-division multiplexing (WDM) has been the workhorse of data networks, accommodating exponential traffic growth for two decades. Recently, however, progress in WDM capacity research has markedly slowed down as experiments are closely approaching
Peter J. Winzer
doaj   +1 more source

High-capacity free-space optical communications using wavelength- and mode-division-multiplexing in the mid-infrared region

Nature Communications, 2022
A 300-Gbit/s free-space optical communication system is demonstrated in the mid-IR wavelength region by using both wavelength- and mode-division multiplexing.
Kaiheng Zou, Kai Pang, Hao Song, Jintao Fan, Zhe Zhao, Haoqian Song, Runzhou Zhang, Huibin Zhou, Amir Minoofar, Cong Liu, Xinzhou Su, Nanzhe Hu, Andrew McClung, Mahsa Torfeh, Amir Arbabi, Moshe Tur, Alan E. Willner   +16 more
doaj   +1 more source

Nanosecond channel-switching exact optical frequency synthesizer using an optical injection phase-locked loop (OIPLL) [PDF]

, 2004
Experimental results are reported on an optical frequency synthesizer for use in dynamic dense wavelength-division-multiplexing networks, based on a tuneable laser in an optical injection phase-locked loop for rapid wavelength locking.
Bayvel, P, Duser, M, Lovell, T, Puttnam, B, Renaud, CC, Seeds, AJ, Silva, CFC   +6 more
core   +1 more source

Wavelength switched hybrid TDMA/WDM (TWDM) PON: a flexible next-generation optical access solution [PDF]

, 2012
In this paper, we propose the system concepts of a next-generation wavelength switched hybrid time division multiple access and wavelength division multiplexing (TWDM) passive optical network (PON) architecture. In this architecture, wavelength selective
Colle, Didier, Demeester, Piet, Dixit, Abhishek, Lannoo, Bart, Pickavet, Mario   +4 more
core   +2 more sources