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Guided Wave Fluorescence In Thin Film Er- Doped Barium Titanate

Published online by Cambridge University Press:  10 February 2011

D. M. Gill ,
G. M. Ford ,
B. A. Block ,
B. W. Wessels  and
S. T. Ho
D. M. Gill
Affiliation:
ECE Department, Northwestern University, 2145 Sheridan Rd., Evanston, IL, 60208–3118
G. M. Ford
Affiliation:
Mat. Sci. and Eng. Dept., Northwestern University, 2225 N. Campus Drive, Evanston, IL, 60208
B. A. Block
Affiliation:
Mat. Sci. and Eng. Dept., Northwestern University, 2225 N. Campus Drive, Evanston, IL, 60208
B. W. Wessels
Affiliation:
ECE Department, Northwestern University, 2145 Sheridan Rd., Evanston, IL, 60208–3118 Mat. Sci. and Eng. Dept., Northwestern University, 2225 N. Campus Drive, Evanston, IL, 60208
S. T. Ho
Affiliation:
ECE Department, Northwestern University, 2145 Sheridan Rd., Evanston, IL, 60208–3118
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Abstract

Guided-wave absorption and fluorescence in epitaxial Er:BaTiO3 thin film channel waveguides on MgO are reported. Guided- wave absorption is strongly dependent on post- growth annealing. Stimulated emission over a 40 nm bandwidth (λcente - 1.54 μm) has been achieved in oxygen-annealed waveguides. At 1.54 μm the absorption is reduced from ∼ -2 dB/cm to -∼-1.3 dB/cm in a 2.2 mm long 5 μm wide channel waveguide due the presence of the pump light.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 486: Symposium H – Materials & Devices for Silicon Based Optoelectronics , 1997 , 343
Copyright
Copyright © Materials Research Society 1998

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References

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