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Shape-induced anisotropy of intraband luminescence from a semiconductor nanocrystal |
Optics Letters, Vol. 37, Issue 22, pp. 4645-4647 (2012)
http://dx.doi.org/10.1364/OL.37.004645
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Abstract
Nonspherical semiconductor nanocrystals (NCs) may exhibit strongly anisotropic photoluminescence due to the intraband transitions, whose matrix elements depend critically on the envelope wave functions of the confined electrons and holes. We demonstrate that this anisotropy may be used as the basis for a new type of polarization spectroscopy, enabling one to reliably determine the shape and spatial orientation of individual NCs, as well as providing important information on the symmetry of quantum states involved in optical transitions.
© 2012 Optical Society of America
OCIS Codes
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(300.6470) Spectroscopy : Spectroscopy, semiconductors
(160.4236) Materials : Nanomaterials
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices
ToC Category:
Spectroscopy
History
Original Manuscript: August 13, 2012
Revised Manuscript: September 17, 2012
Manuscript Accepted: October 3, 2012
Published: November 7, 2012
Citation
Anvar S. Baimuratov, Vadim K. Turkov, Ivan D. Rukhlenko, and Anatoly V. Fedorov, "Shape-induced anisotropy of intraband luminescence from a semiconductor nanocrystal," Opt. Lett. 37, 4645-4647 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-22-4645
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