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Spin multistability of cavity polaritons in a magnetic field
S. S. Gavrilov, A. V. Sekretenko, N. A. Gippius +5
Spin transitions are studied theoretically and experimentally in a resonantly excited system of cavity polaritons in a magnetic field. Weak pair interactions in this boson system m…
Stochastic Formation of Polariton Condensates in Two Degenerate Orbital States
Kenichiro Kusudo, Na Young Kim, Andreas Loeffler +3
We explore the exciton-polariton condensation in the two degenerate orbital states. In the honeycomb lattice potential, at the third band we have two degenerate vortex-antivortex l…
Exciton-polariton condensates near the Dirac point in a triangular lattice
Na Young Kim, Kenichiro Kusudo, Andreas Loeffler +3
Dirac particles, massless relativistic entities, obey linear energy dispersions and hold important implication in particle physics. Recent discovery of Dirac fermions in condensed…
Downconversion quantum interface for a single quantum dot spin and 1550-nm single-photon channel
Jason S. Pelc, Leo Yu, Kristiaan De Greve +11
Long-distance quantum communication networks require appropriate interfaces between matter qubit-based nodes and low-loss photonic quantum channels. We implement a downconversion q…
Widely tunable, efficient on-chip single photon sources at telecommunication wavelengths
Thang Ba Hoang, Johannes Beetz, Matthias Lermer +4
We demonstrate tunable on-chip single photon sources using the Stark tuning of single quantum dot (QD) excitonic transitions in short photonic crystal waveguides (PhC WGs). The emi…
Electromechanical tuning of vertically-coupled photonic crystal nanobeams
L. Midolo, S. N. Yoon, F. Pagliano +5
We present the design, the fabrication and the characterization of a tunable one-dimensional (1D) photonic crystal cavity (PCC) etched on two vertically-coupled GaAs nanobeams. A n…