Abstract
High-Q optical nanocavities have become very popular in recent years due to their possible application in many research fields, ranging from nanophotonics, biochemical sensing to cavity quantum electrodynamics (QED) [1,2]. Planar photonic crystal (PhC) nanocavities, obtained by two-dimensional patterning of a slab waveguide, are particularly interesting due to their compactness and ease of fabrication, while offering the possibility to achieve ultra-high Q factors [1]. Optical characterization of high-Q planar PhC nanocavities, i.e. measurement of their resonance frequency and quality factor, remains however a difficult experimental task.
© 2009 IEEE
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