euro-optics-plasma-science-2018-posters

Laser Optics & Photonics and Atomic & Plasma Science 2018

J u l y 1 6 - 1 7 , 2 0 1 8

P r a g u e , C z e c h R e p u b l i c

Page 80

American Journal of Computer Science and Information Technology

ISSN: 2349-3917

E u r o S c i C o n J o i n t E v e n t o n

Laser Optics & Photonics and

Atomic & Plasma Science

e propose an optical network suited for fibre-to-the-hut application. This study experimentally investigates the performance

of Raman-aided, vertical cavity surface emitting laser (VCSEL)-based networks optimized for the sparsely populated areas

in Africa. Raman amplification is preferred due to its high gain, low noise figure over a wide wavelength range suited for long

reach optical network systems. VCSELs on the other hand are attractive due to their low cost and low power consumption hence

affordability by the low-income earning users in the remote villages of Africa. In this study, a 1550 nm VCSEL is modulated

with a 4.25 Gbps pseudo-random bit sequence (PRBS) and transmitted over an ITU-T G 655 fibre. The performance of Raman

amplification at different pumping configurations is demonstrated. The transmission quality is then analysed through BER

measurements. Our findings showed that error-free transmissions extending to over 100 km are achieved. This is a relatively

cheap all-optical network ideal for long reach supporting a broadband connection to a number of users.

Fibre-to-the-Hut; Broadband connection to the

remote user in an African setting

E K Rotich Kipnoo

1, 2

, D Kiboi Boiyo

, D W Waswa

, R R G

Gamatham

, A W R Leitch

and T B Gibbon

University of Kabianga, Kenya

Nelson Mandela University, South Africa

University of Eldoret, Kenya

SKA-MeerKAT, South Africa

Am J Compt Sci Inform Technol 2018, Volume 6

DOI: 10.21767/2349-3917-C1-003