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Climbing the Jaynes-Cummings ladder by photon counting

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arxiv 1104.3564 v2 pith:WJFWPTP7 submitted 2011-04-18 cond-mat.mes-hall quant-ph

Climbing the Jaynes-Cummings ladder by photon counting

classification cond-mat.mes-hall quant-ph
keywords quantumevidenceexperimentaljaynes--cummingsladdernonlinearitiesphotonsystem
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present a new method to observe direct experimental evidence of Jaynes--Cummings nonlinearities in a strongly dissipative cavity quantum electrodynamics system, where large losses compete with the strong light-matter interaction. This is a highly topical problem, particularly for quantum dots in microcavities where transitions from higher rungs of the Jaynes--Cummings ladder remain to be evidenced explicitly. We compare coherent and incoherent excitations of the system and find that resonant excitation of the detuned emitter make it possible to unambiguously evidence few photon quantum nonlinearities in currently available experimental systems.

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