Abstract
We fabricated a high quality fcc photonic crystal composed of ruthenium tris-bipyridine ${[\text{Ru}{(\text{bpy})}_{3}]}^{2+}{({\text{PF}}_{6}^{\ensuremath{-}})}_{2}$. Solid-angle-resolved spectroscopy was performed over 76% of $2\ensuremath{\pi}$ sr, with $\ensuremath{\sim}2\ifmmode^\circ\else\textdegree\fi{}$ resolution. Anisotropic emission patterns are explained with an analytic model of two plane waves coupled by diffraction from a Bragg plane. Two distinct types of emissive enhancements are observed, one due to modes coupling confined directions into leaky directions and the other due to maxima in the optical mode density adjacent to partial photonic band gaps.
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