Abstract
A decomposition scheme for probing the total density of states (DOS) in an arbitrary photonic crystal (PC) having luminescent molecules is suggested. Some number distributions of the luminescent molecules can partially probe DOS information or even all the details of the total DOS by measuring the dynamic characteristics of the spontaneous decay of excited luminescent molecules in a PC. One can probe the total DOS directly when the ratio of the number densities of the homogeneously dispersed luminescent molecules in the scatterers and in the background material is equal to the ratio of the dielectric constants of the scatterer and the background material.
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