Room-temperature electroluminescence in the mid-infrared (2-3 μm) from bulk chromium-doped ZnSe

Julien Jaeck, Riad Haidar, Emmanuel Rosencher, Marcel Caes, Michel Tauvy, Stéphane Collin, Natalie Bardou, Jean Luc Pelouard, Fabrice Pardo, Philippe Lemasson

Research output: Contribution to journalArticlepeer-review

Abstract

Electroluminescence associated with impact excitation or ionization of deep Cr2+ impurity centers in bulk ZnSe is reported. A broad signal of mid-infrared luminescence between 2 and 3 μm is observed once the biased bulk ZnSe device runs into a nonlinear conduction regime. Optical powers in the nanowatt range have been measured at room temperature. The different mechanisms involved in this intracenter infrared light emission are discussed.

Original languageEnglish
Pages (from-to)3501-3503
Number of pages3
JournalOptics Letters
Volume31
Issue number23
DOIs
Publication statusPublished - 1 Dec 2006
Externally publishedYes

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