Strong Extinction of a Far-Field Laser Beam by a Single Quantum Dot

Through the utilization of index-matched GaAs immersion lens techniques, we demonstrate a record extinction (12%) of a far-field focused laser beam by a single InAs/GaAs quantum dot. This contrast level enables us to report for the first time resonant laser transmission spectroscopy on a single InAs...

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Bibliographic Details
Published in:Nano letters 2007-09, Vol.7 (9), p.2892-2896
Main Authors: Vamivakas, A. N, Atatüre, M, Dreiser, J, Yilmaz, S. T, Badolato, A, Swan, A. K, Goldberg, B. B, Imamoǧlu, A, Ünlü, M. S
Format: Article
Language:English
Subjects:
Applied sciences
Arsenicals - chemistry
Arsenicals - radiation effects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Electronics
Exact sciences and technology
Fullerenes and related materials
Gallium - chemistry
Gallium - radiation effects
Indium - chemistry
Indium - radiation effects
Lasers
Materials science
Materials Testing
Molecular electronics, nanoelectronics
Nanocrystalline materials
Nanoscale materials and structures: fabrication and characterization
Nanotechnology - methods
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Physics
Quantum Dots
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Visible and ultraviolet spectra
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Summary:Through the utilization of index-matched GaAs immersion lens techniques, we demonstrate a record extinction (12%) of a far-field focused laser beam by a single InAs/GaAs quantum dot. This contrast level enables us to report for the first time resonant laser transmission spectroscopy on a single InAs/GaAs quantum dot without the need for phase-sensitive lock-in detection.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl0717255