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Opt Express. 2010 Apr 12;18(8):7634-41. doi: 10.1364/OE.18.007634.

Efficient wavelength conversion and net parametric gain via four wave mixing in a high index doped silica waveguide.

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  • 1Ultrafast Optical Processing, INRS- Energie, Matériaux et Télécommunications, 1650 Blv. L. Boulet, Varennes, Québec J3X 1S2 Canada.


We demonstrate sub-picosecond wavelength conversion in the C-band via four wave mixing in a 45cm long high index doped silica spiral waveguide. We achieve an on/off conversion efficiency (signal to idler) of + 16.5dB as well as a parametric gain of + 15dB for a peak pump power of 38W over a wavelength range of 100nm. Furthermore, we demonstrated a minimum gain of + 5dB over a wavelength range as large as 200nm.

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