Title :
Optimal dispersion of optical filters for WDM systems
Author :
Lenz, G. ; Eggleton, B.J. ; Madsen, C.K. ; Giles, C.R. ; Nykolak, G.
Author_Institution :
Lucent Technol., AT&T Bell Labs., Murray Hill, NJ, USA
fDate :
4/1/1998 12:00:00 AM
Abstract :
The phase response of optical filters determines their dispersive properties and impacts wavelength-division multiplexing (WDM) system performance. We present a general analysis of the phase response of optical filters used in WDM systems and suggest ways to minimize the detrimental dispersive effects of these filters. Some filters are found to be inherently linear phase filters and in principle are dispersionless. We also show that some filters may be realized for the phase correction of dispersive filters. Experimental system results demonstrate the negative effects of filter dispersion on system performance.
Keywords :
diffraction gratings; optical fibre communication; optical fibre dispersion; optical waveguide filters; optimisation; telecommunication network routing; wavelength division multiplexing; WDM; WDM systems; detrimental dispersive effect minimisation; dispersive properties; filter dispersion; optical filters; optimal optical dispersion; phase response; wavelength-division multiplexing; Bandwidth; Digital filters; Finite impulse response filter; IIR filters; Nonlinear filters; Optical fiber dispersion; Optical fiber filters; Optical filters; Optical waveguides; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
