Refractive index modulation of Sb70Te30 phase-change thin films by multiple femtosecond laser pulses

doi:10.1063/1.4948350

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	Refractive index modulation of Sb70Te30 phase-change thin films by multiple femtosecond laser pulses
	Lei, Kai; Wang, Yang; Jiang, Minghui; Wu, Yiqun; ywang@siom.ac.cn
	2016
Source Publication	J. Appl. Phys.
Volume	119 Issue:17
Abstract	In this study, the controllable effective refractive index modulation of Sb70Te30 phase-change thin films between amorphous and crystalline states was achieved experimentally by multiple femtosecond laser pulses. The modulation mechanism was analyzed comprehensively by a spectral ellipsometer measurement, surface morphology observation, and two-temperature model calculations. We numerically demonstrate the application of the optically modulated refractive index of the phase-change thin films in a precisely adjustable color display. These results may provide further insights into ultrafast phase-transition mechanics and are useful in the design of programmable photonic and opto-electrical devices based on phase-change memory materials. Published by AIP Publishing.
Subtype	Article
Department	存储
DOI	10.1063/1.4948350
Funding Organization	National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900] ; National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900] ; National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900] ; National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900]
Indexed By	SCI
Funding Organization	National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900] ; National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900] ; National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900] ; National Natural Science Foundation of China [51472258, 61178059, 61137002]; National Basic Research Program of China [2013CBA01900]
WOS ID	WOS:000377716500005
Citation statistics	Cited Times:6[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.siom.ac.cn/handle/181231/28253
Collection	高密度光存储技术实验室
Corresponding Author	ywang@siom.ac.cn
Affiliation	中国科学院上海光学精密机械研究所
Recommended Citation GB/T 7714	Lei, Kai,Wang, Yang,Jiang, Minghui,et al. Refractive index modulation of Sb70Te30 phase-change thin films by multiple femtosecond laser pulses[J]. J. Appl. Phys.,2016,119(17).
APA	Lei, Kai,Wang, Yang,Jiang, Minghui,Wu, Yiqun,&ywang@siom.ac.cn.(2016).Refractive index modulation of Sb70Te30 phase-change thin films by multiple femtosecond laser pulses.J. Appl. Phys.,119(17).
MLA	Lei, Kai,et al."Refractive index modulation of Sb70Te30 phase-change thin films by multiple femtosecond laser pulses".J. Appl. Phys. 119.17(2016).

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