Title :
Mid-IR and Near-IR photoluminescence of Fe2+ and Cr2+ ions in ZnSe excited via ionization transitions
Author :
Peppers, J. ; Fedorov, V.V. ; Mirov, S.B.
Author_Institution :
Dept. of Phys., Univ. of Alabama at Birmingham, Birmingham, AL, USA
Abstract :
Spectroscopic characterization of Iron and Chromium doped ZnSe under visible excitation into the charge transfer bands of Transition Metal ions is reported. Energy transfer rates to the upper laser level are sufficient for population inversion.
Keywords :
II-VI semiconductors; charge transfer states; chromium; iron; photoluminescence; population inversion; wide band gap semiconductors; zinc compounds; ZnSe:Cr; ZnSe:Fe; charge transfer bands; chromium doped ZnSe; energy transfer rates; ionization transitions; iron doped ZnSe; mid-IR photoluminescence; near-IR photoluminescence; population inversion; spectroscopic characterization; transition metal ions; upper laser level; visible excitation; Crystals; II-VI semiconductor materials; Ions; Iron; Kinetic theory; Optical pumping; Zinc compounds;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
