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Quantum Cutting in Tm3+/Yb3+-Codoped Lanthanum Aluminum Germanate Glasses

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In the present paper, Tm3+/Yb3+-codoped lanthanum aluminum germanate glasses are prepared by simply melting and quenching method. Quantum cutting (QC) between Tm3+ and Yb3+ ions in these samples is realized; in the QC process, one blue photon at about 467 nm is cut into two near-infrared photons at about 1 m. The maximum energy transfer efficiency and the corresponding QC efficiency can reach as high as 59.9% and 159.9%, respectively.

Document Type: Research Article


Affiliations: 1: State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China 2: Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China 3: Key Laboratory of Material Science and Technology for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

Publication date: 2010-03-01

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