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XPM-induced intensity distortion due to dispersion in fibre Bragg grating filters |
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| Authors: | L R Chen |
| Institution: | Photonic Systems Group, Department of Electrical and Computer Engineering, McGill University, Montreal, Que., Canada H3A 2A7 |
| Abstract: | We investigate the conversion of cross-phase modulation (XPM) to intensity distortion due to dispersion in fibre Bragg grating (FBG) filters. We find that there can be significant XPM-induced intensity distortion, especially near the edges of the filter passband where the in-band dispersion is increasingly pronounced. Since FBG filter dispersion occurs above and beyond that in standard single-mode fibre, this enhances XPM-induced intensity distortion arising from dispersion and should be accounted for in system design. |
| Keywords: | Cross-phase modulation Optical nonlinearities Dispersion Wavelength-division-multiplexing Fibre Bragg gratings |
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