Study of the optical response of phase-change recording layer with zinc oxide nanostructured thin film

Tsung-Sheng Kao, Y. H. Fu, H. W. Hsu, D. P. Tsai

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

Recently, use of nanostructured materials as a near-field optical active layer has attracted a lot of interest. The non-linear optical properties and strong enhancements of metallic oxide nanostructured thin films are key functions in applications of promising nanophotonics. For the importance of ultra-high density optical data storage, we continue investigating the ultra-high density recording property of near-field optical disk consisting of zinc oxide (ZnOx) nanostructured thin film. A carrier-to-noise ratio above 38 dB at a recording mark size of 100 nm can be obtained in the ZnO x near-field optical disk by a DVD driver tester directly. In this article, we use an optical pump-probe system (static media tester) to measure the optical response of a phase-change recording layer (Ge2Sb 2Te5) and demonstrate the high contrast of optical recording with a ZnOx nanostructured thin film in short pulse durations. Also, we investigate the dependence of writing power and the optical response in conventional re-writable recording layers and the phase-change material with ZnOx nanostructured thin film.

原文English
頁(從 - 到)561-566
頁數6
期刊Journal of Microscopy
229
發行號3
DOIs
出版狀態Published - 1 3月 2008

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