GaAs integrated quantum photonics: Towards compact and multi-functional quantum photonic integrated circuits

The recent progress in integrated quantum optics has set the stage for the development of an integrated platform for quantum information processing with photons, with potential applications in quantum simulation. Among the different material platforms being investigated, direct‐bandgap semiconductor...

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Bibliographic Details
Published in:Laser & photonics reviews 2016-11, Vol.10 (6), p.870-894
Main Authors: Dietrich, Christof P., Fiore, Andrea, Thompson, Mark G., Kamp, Martin, Höfling, Sven
Format: Article
Language:English
Subjects:
Circuits
Detectors
GaAs
Gallium arsenide
integrated circuits
Mach-Zehnder interferometers
Modulation
photonic qubits
Photonics
Platforms
Quantum theory
Semiconductors
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Summary:The recent progress in integrated quantum optics has set the stage for the development of an integrated platform for quantum information processing with photons, with potential applications in quantum simulation. Among the different material platforms being investigated, direct‐bandgap semiconductors and particularly gallium arsenide (GaAs) offer the widest range of functionalities, including single‐ and entangled‐photon generation by radiative recombination, low‐loss routing, electro‐optic modulation and single‐photon detection. This paper reviews the recent progress in the development of the key building blocks for GaAs quantum photonics and the perspectives for their full integration in a fully‐functional and densely integrated quantum photonic circuit. The authors provide an overview of the recent progress and challenges in quantum integrated photonic components and circuits based on the GaAs technology platform. All key functionalities, including single‐photon sources and detectors, photon‐number‐resolving detectors, integrated autocorrelators and tunable Mach–Zehnder interferometers have been realized and tested, and on‐chip photon–photon interference has been demonstrated.
ISSN:1863-8880
1863-8899
DOI:10.1002/lpor.201500321