Abstract
Recent progresses of semiconductor photonic crystals including both three-dimensional (3D) and two-dimensional (2D) crystals are reviewed. On the 3D photonic crystals, we first review our approaches to fabricate full 3D photonic bandgap crystals at near-infrared wavelength region. Recent experimental results on an introduction of light emitters and defects into the 3D photonic crystals are then presented. On the 2D photonic crystals, we report two types of devices. One of this is a 2D photonic crystal laser, where the multi-directional distributed feedback effects and the control of polarization are described. The other is a channel add/drop filtering device. The theoretical and recent experimental results focusing on the polarization characteristics of the devices are explained.
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