Towards Mid-IR Waveguide Lasers: Transition Metal Doped ZnS Thin Films
Karhu, Eric Andrew; Tolstik, Nikolai; Sorokin, Evgeni; Polyakov, Stanislav; Zamiri, Reza; Furtula, Vedran; Østerberg, Ulf Lennart; Sorokina, Irina T; Gibson, Ursula
Chapter, Peer reviewed
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Date
2016Metadata
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Original version
10.1364/CLEO_SI.2016.STu4R.2Abstract
Thin films of Cr and Fe-doped ZnS suitable for waveguide mid-IR applications, with well-isolated TM2+ peaks, and Cr2+ absorption and fluorescence comparable to bulk crystals were investigated. Raman data indicate that the TM is substitutional.