Abstract
Photonic crystals are very suitable for controlling radiation field and propagation characterization of light. As an important application, it is ultra compact and ultrafast optical integrated circuits (OIC) based on photonic crystals slab waveguide (PhC-WG) composing of the line-defects [1, 2]. The PhC-WG is also attractive for laser lasing, because very small group velocity of near the Brillouin zone (BZ) edge should enhance interactions between the radiation field and matter. Indeed, the lasing spectrum has been observed from optically pumped InAs-quantum dots (InAs-QDs) embedded PhC-WG [3]. And a small group velocity (Vg) in the PhC-WG gives rise to enhancement intensity and, therefore, is advantageous to nonlinear optical effect. In this work, we present the 1.55 μm to 1.3 μm upconversion luminescence (UL) based on two-photon absorption in InAs-QDs GaAs PhC-WG.
© 2013 IEEE
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