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. 2022 Jul 1;12(13):2260. doi: 10.3390/nano12132260

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

(a) Power/current curve and emission spectra of ZnSe laser diodes with Te-terminated GaAs interface (inset). (b) As the electric field changes, the Te-started laser diode is displayed [189]. Copyright 1998 Elsevier. (c) Etching TeO₂ waveguide and Er-doped waveguide. (d) Life time variation of erbium-doped acetate film [190]. Copyright 2010 The Optical Society. (e) The photoluminescence of Te solid crystals in the medium wavelength infrared (MWIR) region. (f) Temperature variation curve of MWIR emission spectrum of Te bulk crystal, and the curve of Te bulk crystal MWIR emission spectrum with laser intensity [197]. Copyright 2019 American Chemical Society.