Numerical Comparison of WDM Interchannel Crosstalk in FOPA- and PPLN-Based PSAs

Author

Szabo, Aron ; Puttnam, B.J. ; Mazroa, D. ; Albuquerque, Andre ; Shinada, S. ; Wada, N.

Author_Institution

Dept. of Telecommun. & Media Inf., Budapest Univ. of Technol. & Econ., Budapest, Hungary

Volume

26

Issue

15

fYear

2014

fDate

Aug.1, 1 2014

Firstpage

1503

Lastpage

1506

Abstract

We propose a model and numerical simulations to calculate crosstalk (XT) between multiple wavelength-division-multiplexing (WDM) channels in copier + phase sensitive amplifier (PSA) chains based on periodically poled lithium niobate (PPLN). The calculated XT is compared with XT generated in copier + PSA chains based on highly nonlinear fiber (HNLF). For ordinary device parameters, the results show that for an increasing channel number, the growth of interchannel XT in PPLN is less rapid compared with HNLF, as a consequence of the finite quasi-phase matching band of PPLN. This ensures lower XT in PPLN-based chains for 18 channels, whereas HNLF chains show better XT performance for 4 channels.

Keywords

adjacent channel interference; lithium compounds; optical crosstalk; optical fibre amplifiers; optical parametric amplifiers; optical phase matching; telecommunication channels; wavelength division multiplexing; FOPA; HNLF; LiNbO₃; PPLN finite quasiphase matching band; PPLN-based PSA chains; WDM interchannel crosstalk calculation; copier; fiber optic parametric amplifier; highly nonlinear fiber; interchannel XT growth; multiple WDM channels; numerical simulation; periodically poled lithium niobate; phase sensitive amplifier; wavelength-division-multiplexing channel; Crosstalk; Equations; Gain; Mathematical model; Numerical models; Optical waveguides; Wavelength division multiplexing; Optical waveguides; parametric amplifiers;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2014.2327133

Filename

6823170