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Proceedings Paper

Optical amplifier made by reporting an Er3+/Yb3+-codoped glass layer on an ion-exchanged passive glass substrate by wafer bonding
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Paper Abstract

Thanks to the maturing of rare-earths highly-doped materials, erbium-doped waveguide amplifiers (EDWAs) present a compact alternative to fibre amplifiers. While ion-exchanged EDWAs implemented on glass substrates provide the best passive characteristics, EDWAs based on thin films technologies offer higher integration degree and amplification efficiencies. This paper proposes the realization of an EDWA in a new configuration which combines all these advantages. Indeed, this optical amplifier consists of an erbium/ytterbium-codoped glass guiding layer reported on an ion-exchanged strip formed on a passive glass substrate. The electromagnetic principle of operation of this hybrid structure is presented. Then, all technological steps of realization are detailed including the report of the active layer by a low-temperature wafer bonding process. Finally, passive and active characterizations allow demonstrating the single mode operation and the amplification efficiency of the hybrid waveguide. Indeed, a high gain coefficient of 3.66±0.25 dB/cm is obtained in the 1.16-cm-long hybrid amplifier.

Paper Details

Date Published: 31 March 2005
PDF: 9 pages
Proc. SPIE 5728, Integrated Optics: Devices, Materials, and Technologies IX, (31 March 2005); doi: 10.1117/12.590464
Show Author Affiliations
Florent Gardillou, Institute de Microelectronique, Electromagnetisme et Photonique, CNRS (France)
Jean-Emmanuel Broquin, Institute de Microelectronique, Electromagnetisme et Photonique, CNRS (France)

Published in SPIE Proceedings Vol. 5728:
Integrated Optics: Devices, Materials, and Technologies IX
Yakov Sidorin; Christoph A. Waechter, Editor(s)

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