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Two-photon lasing by a single quantum dot in a high-Q microcavity

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arxiv 0907.1861 v2 pith:2MT5UE5T submitted 2009-07-10 cond-mat.mes-hall quant-ph

Two-photon lasing by a single quantum dot in a high-Q microcavity

Elena del Valle , Stefano Zippilli , Fabrice P. Laussy , Alejandro Gonzalez-Tudela , Giovanna Morigi , Carlos Tejedor This is my paper
classification cond-mat.mes-hall quant-ph
keywords two-photonquantumbiexcitoncavitylasingmicrocavityregimesingle
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate theoretically two-photon processes in a microcavity containing one quantum dot in the strong coupling regime. The cavity mode can be tuned to resonantly drive the two-photon transition between the ground and the biexciton states, while the exciton states are far-off resonance due to the biexciton binding energy. We study the steady state of the quantum dot and cavity field in presence of a continuous incoherent pumping. We identify the regime where the system acts as two-photon emitter and discuss the feasibility and performance of realistic single quantum dot devices for two-photon lasing.

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