Journal
OPTICS LETTERS
Volume 37, Issue 12, Pages 2244-2246Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.002244
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Funding
- Fondazione Cariplo [2009-2730]
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The feasibility of a modal phase matching scheme between optical modes and surface plasmonic modes is demonstrated: in fact, the high effective index of a plasmonic mode allows us to obtain phase matching even in semiconductors showing a large dispersion between fundamental and second harmonic wavelengths. We design a realistic device to obtain Type-II second harmonic generation in AlGaAs-based waveguides; whereas one of the two pumps is carried by a plasmonic mode, the generated second harmonic signal is guided inside the AlGaAs multilayer, and hence it is not hampered by high propagation losses. (C) 2012 Optical Society of America
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