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18 September 2018 Hybrid integration for quantum photonics with single emitters (Conference Presentation)
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Single quantum emitters are an important resource for quantum photonics, constituting building blocks for single-photon sources, qubits, and deterministic quantum gates. Robust implementation of such functions, however, can only be achieved through systems that provide both strong light–matter interactions and a low-loss interface between emitter and probing optical fields. This presentation will discuss the development of quantum photonic integration platforms that allow the creation of photonic circuits incorporating single-emitter based functionality. The single emitter of choice is the self-assembled InAs quantum dot, which can be embedded inside a GaAs nanophotonic device. Such quantum dot containing nanophotonic structures can be designed to provide highly efficient coupling to an underlying waveguide-based photonic device based on transparent or nonlinear optical materials, such as Si3N4 and SiO2. The introduction of single quantum dot based devices as functional elements in quantum photonic circuits may enable significant scaling of on-chip photonic quantum information systems, in two complementary ways. First, by acting as chip-integrated on-demand, bright single-photon sources, these devices can significantly boost the photonic flux available for non-deterministic, linear-optics based quantum computation. Furthermore, single-emitters strongly coupled to on-chip cavities provide a path towards single-photon nonlinearities, which would enable deterministic quantum operations through cavity quantum electrodynamics within a quantum network formed by a photonic integrated circuit. New developments in heterogenous integration and hybrid, pick-and-place fabrication methods will be discussed in the talk.
Conference Presentation
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Marcelo I. Davanco "Hybrid integration for quantum photonics with single emitters (Conference Presentation)", Proc. SPIE 10733, Quantum Photonic Devices 2018, 107330C (18 September 2018);

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