Zhang, YinanMcCutcheon, MurrayBurgess, IanLoncar, Marko2009-08-312009Zhang, Yinan, Murray W. McCutcheon, Ian B. Burgess, and Marko Loncar. Forthcoming. Ultra-high-Q TE/TM dual-polarized photonic crystal nanocavities. Optics Letters 34.0146-9592http://nrs.harvard.edu/urn-3:HUL.InstRepos:3228515We demonstrate photonic crystal nanobeam cavities that support both TE- and TM-polarized modes, each with a Quality factor greater than one million and a mode volume on the order of the cubic wavelength. We show that these orthogonally polarized modes have a tunable frequency separation and a high nonlinear spatial overlap. We expect these cavities to have a variety of applications in resonance-enhanced nonlinear optics.en-US10.1364/OL.34.002694