28 February 2006 Waveguides produced by ion-exchange in Er3+-doped tellurite glass
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This work reports the fabrication of planar and channel waveguides by Ag+ → Na+ ion exchange in an Er3+ doped tellurite glass with a composition of 75TeO2-2GeO2-10Na2O-12ZnO-1Er2O3 (mol %). The glass was chemically stable during the ion-exchange process. We have been able to produce single and multi-mode planar waveguides controlling the depths of the waveguides by varying ion-exchange temperatures, from 250 to 280 °C, and times, from 3 to 12 h. We also show preliminary results of channel waveguide fabrication with the same technique. The waveguide effective refractive index curves and attenuation (11 dB/cm) at 1536 nm were measured with a Metricom prism coupler. The Amplified Spontaneous Emission (ASE) spectra showed a 152 nm bandwidth when pumped with 120 mW laser pump at 980 nm.
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V. A. G. Rivera, V. A. G. Rivera, E. F. Chillcce, E. F. Chillcce, E. Rodriguez, E. Rodriguez, I. O. Mazali, I. O. Mazali, C. L. Cesar, C. L. Cesar, L. C. Barbosa, L. C. Barbosa, "Waveguides produced by ion-exchange in Er3+-doped tellurite glass", Proc. SPIE 6116, Optical Components and Materials III, 61160Z (28 February 2006); doi: 10.1117/12.646999; https://doi.org/10.1117/12.646999

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