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Proceedings Paper

Short amplifying planar waveguides by new glass processing technology
Author(s): Juergen Graf; H. Sautter; Roland Mueller-Fiedler
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Paper Abstract

Short amplifying waveguides in which the dopand is confined to the waveguide core were realized by a new glass processing technology with high demands to the optical and thermal properties of the core, cladding and substrate glass. By the improvement of the etching procedures primary structures with a roughness of less than 50 nm were obtained. Simulations, which showed that in a 12 cm waveguide 20 dB gain can be achieved at 1549 nm, were made to evaluate the potential of the amplifier. Gain measurements were performed in waveguides with a dopand concentration of 3 wt.% erbium and an internal gain of more 3.7 dB was achieved in a 1.8 mm glass waveguide at a wavelength of 1549 nm.

Paper Details

Date Published: 24 September 1997
PDF: 8 pages
Proc. SPIE 3099, Micro-optical Technologies for Measurement, Sensors, and Microsystems II and Optical Fiber Sensor Technologies and Applications, (24 September 1997); doi: 10.1117/12.281220
Show Author Affiliations
Juergen Graf, Robert Bosch GmbH (Germany)
H. Sautter, Robert Bosch GmbH (Germany)
Roland Mueller-Fiedler, Robert Bosch GmbH (Germany)


Published in SPIE Proceedings Vol. 3099:
Micro-optical Technologies for Measurement, Sensors, and Microsystems II and Optical Fiber Sensor Technologies and Applications
Olivier M. Parriaux; Ernst-Bernhard Kley; Brian Culshaw; Magnus Breidne, Editor(s)

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