Physics – Condensed Matter – Materials Science
Scientific paper
2007-10-03
Physics
Condensed Matter
Materials Science
6 pages, 6 figures
Scientific paper
Two-photon polymerization has been demonstrated as an effective technique to define embedded defects in three-dimensional photonic crystals. In this work we demonstrate the ability to precisely position embedded defects with respect to the lattice of three-dimensional photonic crystals by imaging the structure concurrently with two-photon writing. Defects are written with near-perfect lattice registration and at specifically defined depths within the crystal. The importance of precise defect position is demonstrated by investigating the optical properties of embedded planar cavities written in a photonic crystal. The experimental data is compared to spectra calculated using the Scalar Wave Approximation (SWA) which further demonstrates the importance of defect placement.
Braun Paul V.
Garcia-Santamaria Florencio
Nelson Erik C.
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