Abstract:
:Strongly coupled quantum dot-cavity systems provide a non-linear configuration of hybridized light-matter states with promising quantum-optical applications. Here, we investigate the coherent interaction between strong laser pulses and quantum dot-cavity polaritons. Resonant excitation of polaritonic states and their interaction with phonons allow us to observe coherent Rabi oscillations and Ramsey fringes. Furthermore, we demonstrate complete coherent control of a quantum dot-photonic crystal cavity based quantum-bit. By controlling the excitation power and phase in a two-pulse excitation scheme we achieve access to the full Bloch sphere. Quantum-optical simulations are in good agreement with our experiments and provide insight into the decoherence mechanisms.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Dory C,Fischer KA,Müller K,Lagoudakis KG,Sarmiento T,Rundquist A,Zhang JL,Kelaita Y,Vučković Jdoi
10.1038/srep25172subject
Has Abstractpub_date
2016-04-26 00:00:00pages
25172issn
2045-2322pii
srep25172journal_volume
6pub_type
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