Abstract

We report on the synthesis of an optically homogenous PbS quantum-dot-doped polymer material of thickness up to 100 micrometers. It is shown that high quality micro-void channels of submicrometer diameters can be directly fabricated into this nanocomposite by using an ultrafast femtosecond laser beam. Periodically stacked channels in the form of a three-dimensional photonic crystal woodpile lattices reveals a main stop gaps as well as higher-order gaps that overlaps the near-infrared emission wavelength range of PbS quantum dots. These partial stop gaps are well defined in an angular range from zero to 15 degrees in the stacking direction.

© 2007 Optical Society of America

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History
Original Manuscript: December 4, 2006
Manuscript Accepted: February 8, 2007
Revised Manuscript: January 31, 2007
Published: February 19, 2007

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