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Growth and Optical Properties of 2D Photonic Crystals Based on Hexagonal GaAs/AlGaAs Pillar Arrays by Selective-Area Metalorganic Vapor Phase Epitaxy

Published online by Cambridge University Press:  01 February 2011

J. Motohisa
Affiliation:
Research Center for Integrated Quantum Electronics, Hokkaido University, North 13, West 8, Sapporo 060–8628, Japan
J. Takeda
Affiliation:
Research Center for Integrated Quantum Electronics, Hokkaido University, North 13, West 8, Sapporo 060–8628, Japan
M. Inari
Affiliation:
Research Center for Integrated Quantum Electronics, Hokkaido University, North 13, West 8, Sapporo 060–8628, Japan
T. Fukui
Affiliation:
Research Center for Integrated Quantum Electronics, Hokkaido University, North 13, West 8, Sapporo 060–8628, Japan
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Abstract

We report on the growth of GaAs and GaAs/AlGaAs heterostructured hexagonal pillar arrays using selective area (SA) metalorganic vapor phase epitaxy (MOVPE) for the application of two-dimensional photonic crystals (2D-PhCs). SA-MOVPE was carried out on SiO2 masked (111)B GaAs substrates with circular or hexagonal hole openings. Extremely uniform array of hexagonal GaAs/AlGaAs pillars consisting {110} vertical facets with their diameter of order of 200 nm were obtained. Unexpectingly strong intense light emission was observed for the room temperature photoluminescence measurement, which suggests low surface nonradiative recombination and enhancement of the light extraction efficiency of the pillar arrays.

Type
Research Article
Copyright
Copyright © Materials Research Society 2004

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References

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