In this paper, the authors show new results on the electromagnetically induced transparency in ruby. At the powerful laser excitation, the authors observed the room-temperature Bose-Einstein polaritonic condensation, the ruby optical over-transparency and the traces of hidden photonic states. The results are crucial to the paraphoton lasing.
We propose the new solid-state technique to generate paraphotons at a laboratory. To do this, we offer the using of the polaritons’ Bose-Einstein condensation in the mesoporous aluminum oxide photonic crystal film at the photonic bandgap edge. This way, in the nearest-to-the surface pore, the synchronicity conditions are met, and, due to the high density of polariton states, the two photons-to-a paraphoton converion is resonant.
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