Title :
Improved polarization-nulling technique for monitoring OSNR in WDM network
Author :
Choi, H.Y. ; Lee, J.H. ; Jun, S.B. ; Chung, Y.C. ; Shin, S.K. ; Ji, S.K.
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Daejeon
Abstract :
We propose a simple method to improve the polarization-nulling technique by using a tunable optical filter. The results show that the proposed technique can monitor OSNR accurately even when the signal is significantly depolarized due to the nonlinear birefringence
Keywords :
birefringence; nonlinear optics; optical fibre networks; optical fibre polarisation; optical filters; wavelength division multiplexing; OSNR monitoring; WDM network; depolarized signal; nonlinear birefringence; polarization-nulling; tunable optical filter; Birefringence; Fiber nonlinear optics; Intelligent networks; Monitoring; Nonlinear optics; Optical filters; Optical noise; Polarization; Signal to noise ratio; WDM networks;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.215887
