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Communication dans un congrès

1.55 μm hybrid waveguide laser made by ion-exchange and wafer bonding

Abstract : 55 µm hybrid waveguide laser made by ion-exchange and wafer bonding," ABSTRACT Distributed Feed Back (DFB) lasers working in the third telecom window are essential for optical communications, eye-safe sensors and lab-on-chip devices. Glass integrated optics technology allows realizing such devices by using rare-earth doped substrates. Despite their good output power and spectral characteristic, DFB lasers still present some reliability issues concerning the Bragg grating protection. Moreover Erbium doped glasses are not compatible with the realization of passive optical functions. In order to solve the DFB lasers reliability issues and to ensure a monolithic integration between active and passive functions, we propose an hybrid-device architecture based on ion-exchange technology and wafer bonding. The Ag + /Na + ion-exchange in the silicate glass wafer is used to realize the passive functions and the lateral confinement of the electromagnetic field. Through a second ion exchange step, a slab waveguide is made on the Erbium-Ytterbium doped glass wafer. The Bragg grating is processed on the passive substrate and the two glasses are bonded. The potential of this structure has been demonstrated through the realization of a DFB hybrid laser with a fully encapsulated Bragg grating.
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https://hal.univ-grenoble-alpes.fr/hal-01965009
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Dernière modification le : lundi 20 juillet 2020 - 09:12:08
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Marco Casale, Davide Bucci, Lionel Bastard, Jean-Emmanuel Broquin. 1.55 μm hybrid waveguide laser made by ion-exchange and wafer bonding. SPIE Photonics West, 2012, San Francisco, CA, United States. pp.826409, ⟨10.1117/12.909880⟩. ⟨hal-01965009⟩

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