Title :
Effect of Linear Crosstalk of WDM Filters on Multilevel Modulation
Author :
Park, S.-G. ; Lee, S. S.
Author_Institution :
Div. of Electron. & Comput. Eng., Hanyang Univ., Seoul
Abstract :
The effect of the crosstalk of wavelength-division-multiplexing (WDM) optical filters on the performance of WDM transmission systems that use multilevel modulation formats are examined and it is found that the currently common specification of -30 dBm is not adequate when more than eight signal levels are used. Also, the systems using coherent detectors and those using direct detection receivers are compared
Keywords :
Degradation; High speed optical techniques; Nonlinear filters; Optical crosstalk; Optical fiber polarization; Optical filters; Optical modulation; Optical noise; Optical receivers; Wavelength division multiplexing; Coherent detection; fiber-optics communications; linear crosstalk; multilevel modulation; optical filters;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2006.888047
