Title :
Improved power budgets of end-to-end real-time optical OFDM PON systems using wavelength-offset optical filtering
Author :
Wei, J.L. ; Hugues-Salas, E. ; Sánchez, C. ; Jin, X.Q. ; Giddings, R.P. ; Pierce, I. ; Ortega, B. ; Shu, C. ; Tang, J.M.
Author_Institution :
Sch. of Electron. Eng., Bangor Univ., Bangor, UK
Abstract :
Experimental investigations show, for the first time, that wavelength-offset optical filtering based on practical fiber Bragg grating (FBG) filters can improve the system optical power budget (OPB) by 1.4 dB at a total channel bit error rate of 1.0×10-3 in end-to-end real-time, directly modulated DFB laser-based 11.25Gb/s 25km single-mode fibre optical orthogonal frequency division multiplexing (OOFDM) systems utilizing intensity-modulation and direct-detection. The experimental measurements agree very well with numerical simulations, which also indicate that further OPB improvements of the aforementioned systems are feasible when use is made of FBG filters with steep intensity response edges.
Keywords :
Bragg gratings; OFDM modulation; error statistics; numerical analysis; optical fibre filters; optical fibre networks; optical modulation; OPB; directly modulated DFB laser; end-to-end real-time optical OFDM PON systems; improved power budgets; intensity-modulation; numerical simulations; optical power budget; practical FBG filters; practical fiber Bragg grating filters; single-mode fibre OOFDM systems; single-mode fibre optical orthogonal frequency division multiplexing systems; total channel bit error rate; wavelength-offset optical filtering; Optical attenuators; Optical fibers; Optical filters; Optical receivers; Optical transmitters; Passive optical networks; Access networks; Filtering; Optical fiber communication; Orthogonal frequency division multiplexing;
Conference_Titel :
Communication Systems, Networks & Digital Signal Processing (CSNDSP), 2012 8th International Symposium on
Conference_Location :
Poznan
Print_ISBN :
978-1-4577-1472-6
DOI :
10.1109/CSNDSP.2012.6292666
