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Proceedings Paper

Nonlinear optical semiconductor nanocrystals and their photonic applications
Author(s): Qiguang Yang; Jaetae Seo; William Yu; SungSoo Jung; Bagher Tabibi; Jessica Freeman
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Paper Abstract

Nonlinear optical materials with large third-order nonlinear susceptibilities and appropriate response time have attracted great interests recently because of their potential applications of optical computing, ultrafast switching, optical power limiting, and group velocity manipulation. Among nonlinear optical materials, semiconductor nanocrystals, metal nanoparticles, and organic materials have been intensively studied since their nonlinear optical properties may be tuned by varying their sizes and surface/interface environments. Recently, we investigated the third-order nonlinear optical properties of semiconductor nanocrystals both theoretically and experimentally. The possible physical limitation of the third-order nonlinear susceptibility of typical semiconductor nanocrystal as well as the ways to optimize its nonlinearity has been studied. Experimental measurements have been compared with theoretical calculations on linear and nonlinear optical properties of cadmium chalcogenide semiconductor nanocrystals for the photonic applications of optical switching, optical power limiting, and group velocity manipulation.

Paper Details

Date Published: 18 February 2009
PDF: 8 pages
Proc. SPIE 7276, Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications, 72761P (18 February 2009); doi: 10.1117/12.821292
Show Author Affiliations
Qiguang Yang, Hampton Univ. (United States)
Jaetae Seo, Hampton Univ. (United States)
William Yu, Worcester Polytechnic Institute (United States)
SungSoo Jung, Korea Research Institute of Standards and Science (Korea, Republic of)
Bagher Tabibi, Hampton Univ. (United States)
Jessica Freeman, Hampton Univ. (United States)

Published in SPIE Proceedings Vol. 7276:
Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications
Peixiang Lu; Katsumi Midorikawa; Bernd Wilhelmi, Editor(s)

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