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5 October 2015 Quantum optics in directional one-dimensional photonic reservoirs (Presentation Recording)
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We present a novel photonic crystal waveguide, engineered to support broadband modes with circular in-plane polarization. We show experimental evidence that for single-photon emitters with circular dipoles these waveguides act as near-lossless unidirectional photonic reservoirs, where the emission direction is given by the helicity of the dipole. This directional coupling has a strong effect on the scattering of single photons transmitted through the system and we discuss how counter-propagating photons acquire a relative phase of π. Combining this effect with photonic structures that can map a phase to a propagation path, we show how one can create nonreciprocal photonic elements.
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Immo Söllner and Peter Lodahl "Quantum optics in directional one-dimensional photonic reservoirs (Presentation Recording)", Proc. SPIE 9546, Active Photonic Materials VII, 95460S (5 October 2015);

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