Increased Nonlinear Crosstalk in Analog Wavelength-Division-Multiplexed Links Due to the Chromatic Dispersion of Optical Filters

Author

Campillo, Anthony L. ; Bucholtz, Frank

Author_Institution

Naval Res. Lab., Washington, DC

Volume

18

Issue

19

fYear

2006

Firstpage

2014

Lastpage

2016

Abstract

The effect of the chromatic dispersion of an interference filter on the nonlinear crosstalk in a wavelength-division-multiplexed microwave photonic system is investigated. For a simple two-channel pump-probe system with 200-GHz channel spacing, a crosstalk variation of greater than 30 dB is observed as the wavelength of the probe is varied across the flat-top region of the filter. The crosstalk is correlated with the dispersion of the filter and a variation of less than 7% of the filter width is observed to increase the crosstalk by 10 dB. An analytical model for calculating the crosstalk is presented

Keywords

channel spacing; interference filters; microwave photonics; nonlinear optics; optical crosstalk; optical fibre communication; optical fibre dispersion; optical fibre filters; wavelength division multiplexing; 200 GHz; analog links; channel spacing; chromatic dispersion; crosstalk variation; interference filter; microwave photonic system; nonlinear crosstalk; optical filters; pump-probe system; two-channel system; wavelength-division multiplexing; Chromatic dispersion; Crosstalk; Fiber nonlinear optics; Nonlinear optics; Optical attenuators; Optical filters; Optical modulation; Probes; Radio frequency; Wavelength division multiplexing; Analog systems; crosstalk; optical filters; wavelength-division multiplexing (WDM);

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2006.882229

Filename

1703620