Theoretical Analysis of Multimodal Four-Wave Mixing in Optical Microwires

Theoretical Analysis of Multimodal Four-Wave Mixing in Optical Microwires

Optical fiber microwires (OFMs) are nonlinear optical waveguides that support several spatial modes. The multimodal generalized nonlinear Schrödinger equation (MM-GNLSE) is deduced taking into account the linear and nonlinear modal coupling. A detailed theoretical description of four-wave mixing (F...

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Veröffentlicht in:Journal of lightwave technology 2013-01, Vol.31 (2), p.195-202
Hauptverfasser: Fernandes, G. M., Almeida, A. J., Niehus, M., Pinto, A. N.
Format: Artikel
Sprache:eng
Schlagworte:
Couplings
Equations
Frequency conversion
Indexes
Mathematical model
Multimode four-wave mixing
nonlinear coefficient
Nonlinear optics
optical microwires
Optical pumping
phase-matching
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Beschreibung
Zusammenfassung:Optical fiber microwires (OFMs) are nonlinear optical waveguides that support several spatial modes. The multimodal generalized nonlinear Schrödinger equation (MM-GNLSE) is deduced taking into account the linear and nonlinear modal coupling. A detailed theoretical description of four-wave mixing (FWM) considering the modal coupling is developed. Both, the intramode and the intermode phase-matching conditions is calculated for an optical microwire in a strong guiding regime. Finally, the FWM dynamics is studied and the amplitude evolution of the pump beams, the signal and the idler are analyzed.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2012.2224320