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Publikācija: Comparison of Passive Chromatic Dispersion Compensation Techniques for Long Reach Dense WDM-PON System

Publication Type Scientific article indexed in SCOPUS or WOS database
Funding for basic activity Unknown
Defending: ,
Publication language English (en)
Title in original language Comparison of Passive Chromatic Dispersion Compensation Techniques for Long Reach Dense WDM-PON System
Field of research 2. Engineering and technology
Sub-field of research 2.2 Electrical engineering, Electronic engineering, Information and communication engineering
Authors Vjačeslavs Bobrovs
Sandis Spolītis
Pēteris Gavars
Ģirts Ivanovs
Keywords WDM, PON, Optics
Abstract The maximum reach of the DWDM-PON system can be severely limited by chromatic dispersion (CD). This paper contains the investigation of long-reach high speed 16-channel DWDM-PON system with efficient CD pre-compensation and post-compensation methods. It is shown that CD compensation has a crucial role for guaranteed downstream optical link performance and maximum link length of high speed long-reach DWDM-PON system. The results show that usage of additional 7 km long dispersion compensating fiber (DCF) placed in central office (pre-compensation configuration) improves the DWDM-PON network reach by 19.3% (from 57 km up to 68 km), but if additional 2 km long DCF fiber is used in remote terminal (post-compensation configuration) link length can be extended up to 5.3% (from 57 km to 60 km). It was found that usage of fiber Bragg grating (FBG) in central office (pre-compensation configuration) improves network reach up to 26.3% (from 57 km up to 72 km), but using this FBG for CD post-compensation in remote terminal network reach can be improved by 15.8% or 9 km in length – from 57 km to 66 km. Basis on the results authors recommend to use FBG as the best solution for CD compensation in pre-compensation configuration (before SMF line) in future high speed long-reach DWDM-PON systems.
DOI: 10.5755/j01.eee.122.6.1112
Hyperlink: http://www.eejournal.ktu.lt/index.php/elt/article/view/1112 
Reference Bobrovs, V., Spolītis, S., Gavars, P., Ivanovs, Ģ. Comparison of Passive Chromatic Dispersion Compensation Techniques for Long Reach Dense WDM-PON System. Electronics and Electrical Engineering, 2012, Vol.122, Iss.6, pp.65-70. ISSN 1392-1215. Available from: doi:10.5755/j01.eee.122.6.1112
Additional information Citation count:
ID 13047