Quantum posts with tailored structural,electronic and optical properties for optoelectronic and quantum electronic device applications |
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| Authors: | Hubert J Krenner Pierre M Petroff |
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| Institution: | 1. +;2. Department of Materials, University of Oxford, Oxford, United Kingdom;3. KIST Europe, Saarbrücken, Germany;1. State Key Laboratory for Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, Hangzhou, China;2. Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Bellaterra, Spain;3. ICREA, Pg. Lluís Companys 23, Barcelona, Spain;4. University of Washington, Seattle, WA, United States |
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| Abstract: | This article reviews the fabrication, structural and optical properties of self-assembled In(Ga)As quantum posts. We introduce the growth mechanism and present the resulting structural properties and electronic structure which provides a direct route to tunable intraband transitions. We show that in the interband spectrum, sharp optical transitions, single photon emission and tailored giant electrostatic dipole moments are observed. We demonstrate that these properties can be used for an exciton memory. |
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