<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Due to ever increasing channel density in WDM systems the nonlinear optical effects in fibers become a limiting factor for the high-speed data transmission, which necessitates determination of such important characteristic as the coefficient of optical nonlinearity. To measure it, two methods are proposed: continuous wave self-phase modulation (CW-SPM) and pulse phase self-modulation (P-SPM). The research work has been carried out both in the form of calculations and experimentally, taking as wavelength the central one from the third optical transparency window, λ = 1550 nm. Based on the OptSim 5.2 simulations and experimental results, the sought-for nonlinear coefficients have been calculated. In the paper, comparative analysis and estimation of the results are performed for two different optical fibers.</p></abstract>

Due to ever increasing channel density in WDM systems the nonlinear optical effects in fibers become a limiting factor for the high-speed data transmission, which necessitates determination of such important characteristic as the coefficient of optical nonlinearity. To measure it, two methods are proposed: continuous wave self-phase modulation (CW-SPM) and pulse phase self-modulation (P-SPM). The research work has been carried out both in the form of calculations and experimentally, taking as wavelength the central one from the third optical transparency window, λ = 1550 nm. Based on the OptSim 5.2 simulations and experimental results, the sought-for nonlinear coefficients have been calculated. In the paper, comparative analysis and estimation of the results are performed for two different optical fibers.

Methods for Estimation of Optical Fiber Non-Linearity Using Self-Phase Modulation Effect

Institute of Telecommunications, Riga Technical University, 12 Azenes Str., LV-1048, Riga, LATVIA

Latvian Journal of Physics and Technical Sciences

Due to ever increasing channel density in WDM systems the nonlinear optical effects in fibers become a limiting factor for the high-speed data transmission,...

Methods for Estimation of Optical Fiber Non-Linearity Using Self-Phase Modulation Effect

Published Online: Feb 15, 2012

Page range: 29 - 40

DOI: https://doi.org/10.2478/v10047-011-0037-2

Keywords
fiber effective area, nonlinear coefficient, nonlinear optical effects

This content is open access.

Methods for Estimation of Optical Fiber Non-Linearity Using Self-Phase Modulation Effect

Published Online: Feb 15, 2012

Page range: 29 - 40

DOI: https://doi.org/10.2478/v10047-011-0037-2

Keywordsfiber effective area, nonlinear coefficient, nonlinear optical effects

This content is open access.

Keywords
fiber effective area, nonlinear coefficient, nonlinear optical effects