Over the past few years, much work has been devoted to the study of microcavities in photonic crystals (PCs). High-quality factor (Q) PC microcavities exhibit attractive properties since they can confine light in wavelength-scale dimensions, making them potentially useful not only for photonic integration but also in quantum optics. Most of the high-Q PC microcavities are realized in slabs (PCSs), which are two-dimensional (2D) PCs with a high refractive index core layer providing light confinement in the third dimension. The key to design high-Q cavities is to reduce the radiation losses, i.e., to minimize the spatial Fourier components above the light line of the PCS. This chapter will focus on high-Q PC microcavity, including design rules, characterization methods, device demonstrations, and applications.
CITATION STYLE
Li, Q., & Qiu, M. (2010). High-Q Photonic Crystal Microcavities. In Springer Series in Optical Sciences (Vol. 156, pp. 327–359). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-1-4419-1744-7_14
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