Abstract
Guided wave absorption and fluorescence measurement were presented from epitaxial Er:BaTiO3 films grown on MgO. The guided wave Er fluorescence had a full width at half maximum (FWHM) similar to that from Er doped glass with a peak emission at 1534 nm. The guided wave absorption spectrum showed an absorption peak at 1440 nm that was attributed to the second harmonic of an O-H bond resonance. Photoluminescence decay transient measurements indicate that the Er luminescence has an efficiency of 76%. The Er relaxation is dominantly radiative, however, some competing Er relaxation mechanisms are present in the Er:BaTiO3 film.
Original language | English (US) |
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Pages (from-to) | 126-128 |
Number of pages | 3 |
Journal | Thin Solid Films |
Volume | 365 |
Issue number | 1 |
DOIs | |
State | Published - Apr 3 2000 |
Funding
The authors would like to thank D. Studebaker and T. Marks for providing the barium precursors for the MOCVD of BaTiO 3 . This work is supported by the AFOSR/ARPA under Award No. F49620-96-1-0262 and the MRSEC program of the National Science Foundation at the Materials Research Center of Northwestern University under Award No. DMR-9632472. This work made extensive use of the MRC Crystal growth and materials processing facility.
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Surfaces and Interfaces
- Surfaces, Coatings and Films
- Metals and Alloys
- Materials Chemistry