Mode-selective wavelength conversion based on four-wave mixing in a multimode silicon waveguide

We propose and demonstrate all-optical mode-selective wavelength conversion in a silicon waveguide. The mode-selective wavelength conversion relies on strong four-wave mixing when pump and signal light are on the same spatial mode, while weak four-wave mixing is obtained between different modes due...

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Bibliographic Details
Published in:Optics express 2014-01, Vol.22 (1), p.127-135
Main Authors: Ding, Yunhong, Xu, Jing, Ou, Haiyan, Peucheret, Christophe
Format: Article
Language:English
Subjects:
Computer Simulation
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Light
Models, Chemical
Scattering, Radiation
Silicon - chemistry
Surface Plasmon Resonance - instrumentation
Surface Plasmon Resonance - methods
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Summary:We propose and demonstrate all-optical mode-selective wavelength conversion in a silicon waveguide. The mode-selective wavelength conversion relies on strong four-wave mixing when pump and signal light are on the same spatial mode, while weak four-wave mixing is obtained between different modes due to phase mismatch. A two-mode division multiplexing circuit with tapered directional coupler based (de)multiplexers and a multimode waveguide is designed and fabricated for this application. Experimental results show clear eye-diagrams and moderate power penalties for the wavelength conversion of both modes.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.22.000127