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Nonlinear optical response of 1-D photonic crystals fabricated by using a sol-gel method

Title
Nonlinear optical response of 1-D photonic crystals fabricated by using a sol-gel method
Authors
Hwang, JisooKim, Min JungWu, J. W.Lee, Seung MookRhee, Bum KuKwak, Ji HoonAn, Ilsin
Ewha Authors
우정원황지수
SCOPUS Author ID
우정원scopus
Issue Date
2006
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
ISSN
0374-4884JCR Link
Citation
vol. 49, no. 5, pp. 2128 - 2131
Keywords
photonic crystalSiO2TiO2sol-gelnonlinearoptical transmissionKerroptical switchingpump probe
Publisher
KOREAN PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
the picosecond nonlinear optical response in five-bilayered SiO2/TiO2 structures of one-dimensional photonic crystals fabricated by using a sol-gel method is reported. We observe nonlinear optical changes in the transmission at both bandgap edges, an 8 % decrease at the high-energy edge, and a 4.5 % increase at the low-energy edge. These changes correspond to a blue shift of the bandgap. The observed reponse originates from the optical nonlinearity of the TiO2 layer.
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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