Large femtosecond third-order optical nonlinearity of Bi3.15Nd0.85Ti3O12 ferroelectric thin films

CORC > 西安光学精密机械研究所 > 中国科学院西安光学精密机械研究所 > 瞬态光学技术国家重点实验室

	Large femtosecond third-order optical nonlinearity of Bi3.15Nd0.85Ti3O12 ferroelectric thin films
	Li, S.1; Zhong, X. L.1; Cheng, G. H.2; Liu, X.2; Wang, J. B.1; Huang, J.1; Song, H. J.1; Tan, C. B.1; Li, B.1; Zhou, Y. C.1
刊名	applied physics letters
	2014-11-10
卷号	105 期号:19
ISSN号	0003-6951
产权排序	2
合作状况	国内
英文摘要	both the linear and nonlinear optical properties of bi3.15nd0.85ti3o12 (bnt0.85) ferroelectric thin films deposited on quartz substrates were investigated. the fundamental optical constants were determined as a function of light wavelength by optical transmittance measurements. by performing single-beam z-scan experiments with femtosecond laser pulses at a wavelength of 800 nm, the two-photon absorption (tpa) coefficient beta and third-order nonlinear refraction index gamma were measured to be 1.15 x 10(2) cm/gw and -8.15 x 10(-3) cm(2)/gw, respectively. the large tpa is attributed to an indirect transition process via the intermediate energy levels and the large refractive nonlinearity is the result of the electronic polarization and ferroelectric polarization arisen from the femtosecond midinfrared radiation. the results indicate that the bnt0.85 thin film is a promising candidate for applications in nonlinear photonic devices. (c) 2014 aip publishing llc.
WOS标题词	science & technology ; physical sciences
类目[WOS]	physics, applied
研究领域[WOS]	physics
关键词[WOS]	pulsed-laser deposition ; z-scan technique ; bismuth titanate ; bifeo3 ; oxides ; quartz
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000345216100057
公开日期	2015-03-20
内容类型	期刊论文
源URL	[http://ir.opt.ac.cn/handle/181661/22432]
专题	西安光学精密机械研究所_瞬态光学技术国家重点实验室
作者单位	1.Xiangtan Univ, Sch Mat Sci & Engn, Xiangtan 411105, Hunan, Peoples R China 2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shanxi, Peoples R China
推荐引用方式 GB/T 7714	Li, S.,Zhong, X. L.,Cheng, G. H.,et al. Large femtosecond third-order optical nonlinearity of Bi3.15Nd0.85Ti3O12 ferroelectric thin films[J]. applied physics letters,2014,105(19).
APA	Li, S..,Zhong, X. L..,Cheng, G. H..,Liu, X..,Wang, J. B..,...&Zhou, Y. C..(2014).Large femtosecond third-order optical nonlinearity of Bi3.15Nd0.85Ti3O12 ferroelectric thin films.applied physics letters,105(19).
MLA	Li, S.,et al."Large femtosecond third-order optical nonlinearity of Bi3.15Nd0.85Ti3O12 ferroelectric thin films".applied physics letters 105.19(2014).