Nanophotonics based on planar photonic crystals

Abstract

By creating different types of defects in the photonic crystal lattice, various nanophotonics components, such as cavities and waveguides, can be realized. The quest for a compact and efficient nano-cavity, with high quality factor (Q) and small mode volume (V/sub mode/), has been a central part of research in integrated optics. Recently, we have proposed a systematic method to design optical nano-cavities that satisfy both of these requirements. The cavity consists of a defect hole that is smaller than surrounding holes arranged in the triangular lattice photonic crystal. In order to test our design we have fabricated high-Q cavities in the InGaAsP material system.

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