Abstract
Carbon nanotubes have emerged as original single photon source in the near IR and in the telecom bands. To further control their emission rate and directionality, individual carbon nanotube can be coupled to a high Q and small mode volume cavity (Purcell effect). Due to the 1D geometry of carbon nanotube, the coupling between localized exciton and acoustic phonon is particularly strong. This coupling can be used as an additional degree of freedom in cavity coupled single emitters; it brings a very rich physics involving non-markovian decoherence, tripartite coupling, and asymmetric energy exchange... In particular the coupling to phonon can be used to “force” the nanotube to emit preferentially at the cavity frequency rather than at its intrinsic transition frequency.. We implemented this approach to realize a widely tunable single photon source.Jeantet et al, PRL 116, 247402 (2016)Jeantet et al, Nano Lett. 17, 4184 (2017)He et al , Nat. Mat. 17, 663 (2018)Chassagneux et al PRB 97, 205124 (2018)
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