Abstract

The study of Lamb shift plays a unique role in quantum electrodynamics because it provides an excellent test of the theory on photonic crystals (PCs). In this Letter, we present the first observation of large Lamb shift in the YBO3:Eu3+ inverse opals fabricated by the polystyrene templating method. In addition, it is very interesting to observe that the luminescent dynamics of Eu3+ decayed with a faster power law (t3), followed by a slower exponential process due to the coexistence of the diffusion field and the propagating field in the PCs.

© 2010 Optical Society of America

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