Title :
Pump-probe investigation of cross-phase modulation in standard-fibre, dispersion compensated WDM recirculating loop
Author :
Thierle, H.J. ; Killey, Robert I. ; Bayvel, Polina
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK
Abstract :
Summary form only given. Increased inter-amplifier distances in future WDM systems will require high optical power resulting in signal distortion due to fibre nonlinearity. Only little work has been done investigating the dependence of cross-phase modulation (XPM) on system parameters such as transmission distance, channel wavelength spacing and residual dispersion. In multi-span dispersion compensated standard single-mode fibre links (SSMF, D=17 ps/nm/km) in which the dispersion compensating fibre (DCF) is positioned at the end of each span, the transmission distance is limited by self-phase modulation (SPM), which rapidly broadens the pulses. We show experimentally that positive residual dispersion can be used to counteract this broadening, and that this technique can effectively reduce intensity distortion due to XPM.
Keywords :
optical fibre communication; optical fibre dispersion; optical modulation; phase modulation; wavelength division multiplexing; WDM recirculating loop; channel wavelength spacing; cross-phase modulation; dispersion compensated fibre; intensity distortion; multi-span link; nonlinearity; pulse broadening; pump-probe measurement; residual dispersion; self-phase modulation; standard single-mode fibre; transmission distance; Channel spacing; Dispersion; Fiber nonlinear optics; Optical distortion; Optical fiber polarization; Optical modulation; Optical network units; Optical pumping; Optical receivers; Wavelength division multiplexing;
Conference_Titel :
Lasers and Electro-Optics, 1999. CLEO '99. Summaries of Papers Presented at the Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-595-1
DOI :
10.1109/CLEO.1999.834228
