Optical vortices: an innovative approach to increase spectral efficiency by fiber mode-division multiplexing

Author(s):  
Pierpaolo Boffi ◽  
P. Martelli ◽  
A. Gatto ◽  
M. Martinelli
2018 ◽  
Vol 39 (2) ◽  
pp. 175-184 ◽  
Author(s):  
Yousef Fazea ◽  
Angela Amphawan

AbstractModal dispersion is seen as the primary impairment for multimode fiber. Mode division multiplexing (MDM) is a promising technology that has been realized as a favorable technology for considerably upsurges the capacity and distance of multimode fiber in conjunction with Wavelength Division Multiplexing (WDM) for fiber-to-the-home. This paper reveals the importance of an equalization technique in conjunction with controlling the modes spacing of mode division multiplexing-wavelength division multiplexing of Laguerre-Gaussian modes to alleviate modal dispersion for multimode fiber. The effects of channel spacing of 20 channels MDM-WDM were examined through controlling the azimuthal mode number and the radial mode number of Laguerre-Gaussian modes. A data rate of 40Gbit/s was achieved for a distance of 1,500 m for MDM-WDM.


2018 ◽  
Vol 41 ◽  
pp. 182-186 ◽  
Author(s):  
Yongqiang Hei ◽  
Li Li ◽  
Wentao Li ◽  
Xiaohui Li ◽  
Guangming Shi

2020 ◽  
Vol 1547 ◽  
pp. 012004
Author(s):  
J L Galvis-Arroyave ◽  
J Villegas-Aristizabal ◽  
J Montoya-Cardona ◽  
S Montoya-Villada ◽  
E Reyes-Vera

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