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Proceedings Paper

VCSEL beam control with collective and self-aligned polymer technologies
Author(s): Véronique Bardinal; Thierry Camps; Benjamin Reig; Pierluigi Debernardi; Olivier Soppera; David Barat; Jean-Baptiste Doucet; Emmanuelle Daran
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Paper Abstract

We present recent results on the integration of polymer microlenses on single mode Vertical-Cavity Surface-Emitting Lasers (VCSELs) to achieve output beam control. We describe in particular low cost and collective fabrication methods developed to allow for a self-alignment of the lens with the laser source. These approaches are based either on surface tension effects or on a self-writing process using novel Near Infra-Red (NIR) photopolymers. Results on beam collimation at 850nm are presented and compared to a fully vectorial and three-dimensional optical model that takes into account the complete geometry of laser resonator is used. Results on short distance focusing using self-aligned microtips are presented. Considerations to achieve an active beam control by means of polymer-based MEMS (Micro-electro-mechanical System) are also discussed. Potential applications may concern the improvement of VCSEL insertion in optical interconnects or sensing systems, as well as the fabrication of optical micro-probes for near-field microscopy.

Paper Details

Date Published: 7 February 2012
PDF: 9 pages
Proc. SPIE 8276, Vertical-Cavity Surface-Emitting Lasers XVI, 82760U (7 February 2012); doi: 10.1117/12.910719
Show Author Affiliations
Véronique Bardinal, CNRS, LAAS (France)
LAAS, UPS, INSA, INP, ISAE, Univ. de Toulouse (France)
Thierry Camps, CNRS, LAAS (France)
LAAS, UPS, INSA, INP, ISAE, Univ. de Toulouse (France)
Benjamin Reig, CNRS, LAAS (France)
LAAS, UPS, INSA, INP, ISAE, Univ. de Toulouse (France)
Pierluigi Debernardi, Istituto di Elettronica e di Ingegneria dell'Informazione e delle Telecomunicazioni, CNR (Italy)
Olivier Soppera, CNRS, IS2M, Institut de Science des Matériaux de Mulhouse, Univ. de Haute Alsace (France)
David Barat, CNRS, LAAS (France)
LAAS, UPS, INSA, INP, ISAE, Univ. de Toulouse (France)
Jean-Baptiste Doucet, CNRS, LAAS (France)
LAAS, UPS, INSA, INP, ISAE, Univ. de Toulouse (France)
Emmanuelle Daran, CNRS, LAAS (France)
LAAS, UPS, INSA, INP, ISAE, Univ. de Toulouse (France)


Published in SPIE Proceedings Vol. 8276:
Vertical-Cavity Surface-Emitting Lasers XVI
Chun Lei; Kent D. Choquette, Editor(s)

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