Abstract
We present the findings of high efficient Er3+-related 4I13/2⇌4I15/2 absorption under excitonic normal-mode coupling (NMC) with the self-assembled quantum well embedded in silicon microcavity. The microcavities of this art are prepared by the short-time diffusion of boron into the Si(100) wafer doped previously with erbium. The NMC regime is observed to enhance the 4I13/2→4I15/2 absorption in the range of the Rabi splitting revealed by the transmission spectra that appear to exhibit the EPR optical detection in zero external magnetic field because of giant exchange splitting which is created by strong sp–f mixing on the trigonal erbium-related centre.
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