Yuriy E. Lozovik, I. Nechepurenko, A. Dorofeenko, S. P. Merkulova
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Intracavity absorption spectroscopy based on graphene spaser
We propose an intracavity plasmon absorption spectroscopy method based on graphene active plasmonics. Maximum sensitivity is reached in the vicinity of the plasmon generation threshold. The giant amplification of sensitivity in the graphene plasmon generator is associated with a huge path length, limited only by the decoherence processes.