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Nitride quantum light sources

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Peer-reviewed

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Type

Article

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Authors

Oliver, RA 

Abstract

Prototype nitride quantum light sources, particularly single photon emitters, have been successfully demonstrated, despite the challenges inherent in this complex materials system. The large band offset s available between different nitride alloys have allowed device operation at easily accessible temperatures. A wide range of approaches have been explored: not only self-assembled quantum dot growth but also lithographic methods for site-controlled nanostructure formation. All these approaches face common challenges, particularly strong background signals which contaminate the single photon stream and excessive spectral diffusion of the quantum dot emission wave length. If these challenges can be successfully overcome, then ongoing rapid progress in the conventional III-V semiconductors provides a roadmap for future progress in the nitrides.

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Keywords

5108 Quantum Physics, 51 Physical Sciences

Journal Title

EPL

Conference Name

Journal ISSN

0295-5075
1286-4854

Volume Title

113

Publisher

IOP Publishing
Sponsorship
Engineering and Physical Sciences Research Council (EP/M011682/1)
Engineering and Physical Sciences Research Council (EP/H047816/1)
Engineering and Physical Sciences Research Council (EP/J003603/1)
We acknowledge funding from the EPSRC (EP/M011682/1).