%0 Journal Article %T Multimode nanobeam cavities for nonlinear optics: high quality resonances separated by an octave %A Sonia Buckley %A Marina Radulaski %A Jingyuan Linda Zhang %A Jan Petykiewicz %A Klaus Biermann %A Jelena Vuckovic %J Physics %D 2014 %I arXiv %R 10.1364/OE.22.026498 %X We demonstrate the design, fabrication and characterization of nanobeam cavities with multiple higher order modes. Designs with two high Q modes with frequency separations of an octave are introduced, and we fabricate such cavities exhibiting resonances with wavelength separations of up to 740 nm. %U http://arxiv.org/abs/1408.6567v1