%0 Journal Article %T Si$_3$N$_4$ optomechanical crystals in the resolved-sideband regime %A Marcelo Davanco %A Serkan Ates %A Yuxiang Liu %A Kartik Srinivasan %J Physics %D 2013 %I arXiv %R 10.1063/1.4858975 %X We demonstrate sideband-resolved Si$_3$N$_4$ optomechanical crystals supporting $10^5$ quality factor optical modes at 980 nm, coupled to $\approx4$ GHz frequency mechanical modes with quality factors of $\approx3000$. Optomechanical electromagnetically induced transparency and absorption are observed at room temperature and in atmosphere with intracavity photon numbers of the order of $10^4$. %U http://arxiv.org/abs/1311.6325v2