Er<sup>3+</sup>-doped tellurite glass waveguides produced by fiber on glass (FOG) method

V. A. G. Rivera; E. Rodriguez; E. F. Chillcce; I. O. Mazali; C. L. Cesar; L. C. Barbosa

doi:10.1117/12.647152

28 February 2006 Er³⁺-doped tellurite glass waveguides produced by fiber on glass (FOG) method

V. A. G. Rivera, E. Rodriguez, E. F. Chillcce, I. O. Mazali, C. L. Cesar, L. C. Barbosa

Proceedings Volume 6116, Optical Components and Materials III; 611610 (2006) https://doi.org/10.1117/12.647152
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

Abstract

In this work we used a Thermal Mechanic Analysis equipment to produce the channel FOG waveguides by pressing an Er³⁺ doped tellurite glass optical fiber against one Er³⁺ ion doped tellurite glass substrate kept under T_c ± 30 ^oC (T_c = soft point). The luminescence and waveguide refractive index were measured. Scanning electron microscopy was used to observe the obtained structure. The objective is to produce a new concept in components of integrated optical circuits. Then this work report the production of Er³⁺-doped tellurite glass channel waveguides using the novel concept of Benson et al^[1] of fiber on glass (FOG). To succeed with this technique it is important to correlate the main thermo-physical characteristics of the substrate and the fiber, which are the transition temperature T_g, the temperature of the onset of crystallization T_x, the maximum crystallization temperature T_c and the thermal expansion coefficient. The T_g, T_x and T_c values were determined by Differential Thermal Analysis (DTA), while the thermal expansion coefficient was determined by Thermal Mechanical Analysis (TMA). For the FOG purpose the thermal stability range, T_x - T_g, is an important temperature region which defines if the glass will have enough viscosity to shape in the FOG concept.

Citation Download Citation

V. A. G. Rivera, E. Rodriguez, E. F. Chillcce, I. O. Mazali, C. L. Cesar, and L. C. Barbosa "Er³⁺-doped tellurite glass waveguides produced by fiber on glass (FOG) method", Proc. SPIE 6116, Optical Components and Materials III, 611610 (28 February 2006); https://doi.org/10.1117/12.647152

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