Title :
Wavelength filter detuning for improved carrier reuse in loop-back WDM-PON
Author :
Lee, W. ; Cho, S.H. ; Park, M.Y. ; Lee, J.H. ; Kim, C. ; Jeong, G. ; Kim, B.W.
Author_Institution :
WDM-PON Technol. Team, Electron. & Telecommun. Res. Inst., Daejeon, South Korea
fDate :
5/11/2006 12:00:00 AM
Abstract :
Negative detuning of the passband frequency of the wavelength filter, particularly used as a wavelength demultiplexer at the central office in the loop-back WDM-PON, is demonstrated. This method is experimentally proved to suppress further the residual downstream component included in the optical upstream data in the remodulation scheme, resulting in improvement of the upstream performance.
Keywords :
band-pass filters; demultiplexing equipment; optical communication equipment; optical filters; optical tuning; wavelength division multiplexing; 1.25 Gbit/s; BER data; carrier reuse; central office; frequency detuning; loop-back WDM-PON; negative detuning; optical eye diagram; optical upstream data; remodulation scheme; residual downstream component suppression; selective spectral filtering effect; wavelength demultiplexer; wavelength filter detuning;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20060289
