Coherence properties of InAs quantum dot emissions from quasi-L2 photonic crystal nanocavities

The coherence properties of InAs quantum dot emissions in quasi-L2 photonic crystal nanocavities were studied using g ( 1 ) ( τ ) first-order correlation measurements at room temperature. A soft turn-on of the coherent state at ultra-low threshold power indicated that the quantum dot emissions in th...

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Bibliographic Details
Published in:Solid state communications 2010-10, Vol.150 (37), p.1798-1801
Main Authors: Chen, W.-Y., Yang, F.-S., Chang, H.-S., Cheng, C.-C., Wang, C.-J., Chiu, P.-C., Chyi, J.-I., Hsu, T.M.
Format: Article
Language:English
Subjects:
A. Quantum dots
A. Semiconductor
C. Photonic crystal
Coherence
Condensed matter: electronic structure, electrical, magnetic, and optical properties
D. Coherence
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Holes
Indium arsenides
Nanocomposites
Nanomaterials
Nanostructure
Optical materials
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
Optics
Photonic bandgap materials
Photonic crystals
Physics
Quantum dots
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Summary:The coherence properties of InAs quantum dot emissions in quasi-L2 photonic crystal nanocavities were studied using g ( 1 ) ( τ ) first-order correlation measurements at room temperature. A soft turn-on of the coherent state at ultra-low threshold power indicated that the quantum dot emissions in the cavities had exhibited a smooth transition from spontaneous to stimulated emission.
ISSN:0038-1098
1879-2766
DOI:10.1016/j.ssc.2010.07.009