Abstract

This paper demonstrates optical gain at 1.5 µm in Si-nanocrystal-sensitized, Er-doped silica waveguide using a commercial, low-cost 470 nm LED in top-pumping configuration. Experimental evidence of full inversion with maximum possible gain of 3 dB/cm is presented. Possible application of Si-nanocrystal-sensitized, Er-doped silica for silicon-based microphotonics is also presented.

© 2005 IEEE

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