Amy S. K. Tong, C. Mitchell, J. Mackenzie, J. Wilkinson
{"title":"Photoluminescence of Tm-doped Ta2O5 waveguides","authors":"Amy S. K. Tong, C. Mitchell, J. Mackenzie, J. Wilkinson","doi":"10.1109/CLEOPR.2017.8119077","DOIUrl":null,"url":null,"abstract":"Photoluminescence is observed from tantalum pentoxide thin film waveguides, doped with 3 wt% of Tm<inf>2</inf>O<inf>3</inf> (Tm:Ta<inf>2</inf>O<inf>5</inf>), in the wavelength range of 1.6 to 2.1 μm. Maximum emission was obtained using a pump wavelength of 795 nm, which corresponds to the excitation of thulium ions to the <sup>3</sup>H4 manifold. The effect of post-deposition annealing temperature and duration on the photoluminescence lifetime and intensity was investigated. This is the first report of photoluminescence around 1.8 μm and lifetime measurements of Tm:Ta<inf>2</inf>O<inf>5</inf> films with potential for gain in a planar platform.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"9 1","pages":"1-3"},"PeriodicalIF":0.0000,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CLEOPR.2017.8119077","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Photoluminescence is observed from tantalum pentoxide thin film waveguides, doped with 3 wt% of Tm2O3 (Tm:Ta2O5), in the wavelength range of 1.6 to 2.1 μm. Maximum emission was obtained using a pump wavelength of 795 nm, which corresponds to the excitation of thulium ions to the 3H4 manifold. The effect of post-deposition annealing temperature and duration on the photoluminescence lifetime and intensity was investigated. This is the first report of photoluminescence around 1.8 μm and lifetime measurements of Tm:Ta2O5 films with potential for gain in a planar platform.