Share Email Print
cover

Proceedings Paper • new

Photonic functionalities with a new type of waveguides sustained by femtosecond laser inscribed fluorescent silver clusters in prepared glasses: From directional couplers to waveguide Bragg gratings (Conference Presentation)
Author(s): Yannick G. Petit; Alain Abou Khalil; Jean-Philippe Bérubé; Sylvain Danto; Thierry Cardinal; Réal Vallée; Lionel Canioni
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Novel integrated photonics components are highly demanded to develop photonic integrated circuits, or sensing applications with lab-on-chip or lab-on-fiber approaches. Femtosecond laser inscription has demonstrated to be a very attractive approach being highly versatile as well as compatible with laser manufacturing technological transfer. In this framework, some of the innovations to come will result from optimized laser-based processing in prepared materials, namely in specialty glasses with a designed photosensitivity enhancement under laser irradiation. In this framework, we recently demonstrated a new type of waveguides. Here, the positive refractive index modification, labelled type A, is sustained by the laser-induced photochemistry of silver-containing phosphate glasses, with a non-trivial distribution that corresponds to the creation of fluorescent silver clusters. Some of the inner features of the refractive index structures and associated waveguides show mesoscale dimensions of a few hundreds of nanometers, which is of interest for produce sub-wavelength modifications. In this paper, we will present recent results concerning the exploitation of such new waveguides, namely with the investigation of curvature losses and the creation of directional couplers. Additionally, periodically modulated waveguides are considered to address laser-fabricated waveguide Bragg grating functionality. Such development is in progress, especially targeting reflectivity in the visible range.

Paper Details

Date Published: 13 March 2019
PDF
Proc. SPIE 10908, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIX, 109080T (13 March 2019); doi: 10.1117/12.2510631
Show Author Affiliations
Yannick G. Petit, Univ. de Bordeaux (France)
Ctr. National de la Recherche Scientifique (France)
Alain Abou Khalil, Univ. de Bordeaux (France)
Ctr. d'Optique, Photonique et Laser (Canada)
Ctr. National de la Recherche Scientifique (France)
Jean-Philippe Bérubé, Ctr. d'Optique, Photonique et Laser (Canada)
Sylvain Danto, Univ. de Bordeaux (France)
Ctr. National de la Recherche Scientifique (France)
Thierry Cardinal, Univ. de Bordeaux (France)
Ctr. National de la Recherche Scientifique (France)
Réal Vallée, Ctr. d'Optique, Photonique et Laser (Canada)
Lionel Canioni, Univ. de Bordeaux (France)
Ctr. National de la Recherche Scientifique (France)


Published in SPIE Proceedings Vol. 10908:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIX
Peter R. Herman; Michel Meunier; Roberto Osellame, Editor(s)

© SPIE. Terms of Use
Back to Top