Results 221 to 230 of about 43,079 (286)

Coherent ultra dense wavelength division multiplexing passive optical networks

Optical Fiber Technology, 2015
Abstract In this paper, we firstly review the progress in ultra-dense wavelength division multiplexing passive optical network (UDWDM-PON), by making use of the key attributes of this technology in the context of optical access and metro networks. Besides the inherit properties of coherent technology, we explore different modulation formats and pulse
Ali Shahpari, Ricardo Ferreira, Vitor Ribeiro, Artur Sousa, Somayeh Ziaie, Ana Tavares, Zoran Vujicic, Fernando P. Guiomar, Jacklyn D. Reis, Armando N. Pinto, António Teixeira   +10 more
semanticscholar   +4 more sources

Magneto-optical micro-ring resonators for dynamic tuning of add/drop channels in dense wavelength division multiplexing applications.

Optics Letters, 2021
We numerically demonstrate an all-dielectric approach for magnetically tunable add/drop of optical channels in dense wavelength division multiplexing applications.
William O. F. Carvalho, J. Mejía-Salazar   +1 more
semanticscholar   +3 more sources

Wavelength division multiplexing-dense wavelength division multiplexed passive optical network (WDM-DWDM-PON) for long reach terrain connectivity

2016 International Conference on Communication and Signal Processing (ICCSP), 2016
The wavelength division multiplexed and dense wavelength division multiplexed passive optical network (WDM-DWDM-PON) is designed and simulated to serve as long reach passive optical network (LR-PON). WDM-DWDM-PON network is simulated and analyzed upto the fiber reach of 100Km with and without dispersion compensation techniques.
Vivek Kachhatiya, Shanthi Prince
openaire   +2 more sources

Multichannel Lithium-Niobate-On-Insulator Photonic Filter for Dense Wavelength-Division Multiplexing

ACS Photonics
Mingyu Zhu, Dajian Liu, Zehao Guo, Weike Zhao, Huang Fei, Chenfeng Wen, Chun Gao, Shi Zhao, Zejie Yu, Daoxin Dai   +9 more
semanticscholar   +3 more sources

RETRACTED ARTICLE: Influence of dense wavelength division multiplexing (DWDM) technique on the low earth orbit intersatellite systems performance

Journal of optical communications, 2020
This work discusses the effect of wavelength division multiplexing on performance of intersatellite link. Intersatellite optical wireless communication (IsOWC) system is simulated by using OptiSystem software.
Mahmoud M. A. Eid, A. Rashed, Eman M. El-Gammal   +2 more
semanticscholar   +1 more source

Impact of Four-Wave-Mixing Noise from Dense Wavelength-Division-Multiplexing Systems on Entangled-State Continuous-Variable Quantum key Distribution

Physical Review Applied, 2020
Integrating quantum key distribution (QKD) on the existing optical fiber network through dense wavelength-division multiplexing (DWDM) can greatly reduce the costs of quantum channels and improve the scalability and flexibility of the quantum ...
Shanna Du, Yan Tian, Yongmin Li
semanticscholar   +1 more source

Dispersion Compensation in a 64-Channel Dense Wavelength Division Multiplexing Network

International Conference Intelligent Computing and Control Systems, 2020
In optical fiber communication, information is relayed from the transmitter and received at the receiver where optical signals are converted into electrical signals. In recent years the demand for bandwidth has increased enormously. To meet the demand of
A. Dagar, A. Dixit, A. Kumar, G. Kaur
semanticscholar   +1 more source

All-fiber dense wavelength division multiplexers

SPIE Proceedings, 1994
Fused and tapered single-mode fiber couplers are used to make polarization insensitive Wavelength Division Multiplexers with a wavelength spacing of around 1 nm. Different structures are presented. As opposed to that of single highly elongated fused couplers, their responses are polarization independent.
Jacques Bures, Daniel Ricard, Suzanne Lacroix   +2 more
openaire   +1 more source

Photonic instantaneous frequency measurement using a dense wavelength-division multiplexer

Applied Optics, 2021
A photonic instantaneous frequency measurement receiver based on frequency to optical power mapping is proposed and experimentally demonstrated. One channel of a dense wavelength-division multiplexer (DWDM) is used as an optical filter to establish a power ratio function related to the frequency of the microwave signal.
Xiangrui, Li, Aijun, Wen, Xiaoyang, Li, Yinglun, Mo, Hao, Zhuo   +4 more
openaire   +2 more sources

Wavelength-stabilized Laser Source For Dense Wavelength-division Multiplexing

CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics, 2005
Dense wavelength-division multiplexing (WDM.) systems with channel spacings of 100 GHz require laser sources with wavelength stability better than 10 Ghz over a 20-year useful equipment life.
S.T. Hendow, H.E. Miller, K. Sayano, N. Karlovac   +3 more
openaire   +1 more source