Abstract
The purpose of this paper is to investigate the performance of microoptics for telecommunication systems using free-space interconnects. This concerns mainly distribution or switching and routing tasks. In order to evaluate the interconnection capability of free-space microoptics, we impose severe conditions on the interconnects. These conditions correspond to the use of single mode fibre arrays at both the input and the output systems. This point is shown to become very critical when dealing with optical switches involving reconfigu-rable links. These points are illustrated by two examples : one with fixed and the other with reconfigurable interconnects but both using arrays of microoptical elements.
Résumé
Cet article a pour objectif I’étude des performances de composants microoptiques pour les ’systémes de télécommunications utilisant des interconnexions en espace libre. Ceci concerne principalement les systèmes de distribution, de commutation et de routage. Afin d’évaluer les capacités d’interconnexion en espace libre des microoptiques, nous imposons ici des contraintes fortes. Celles-ci correspondent à I’utilisation, à la fois pour I’entrée et la sortie du systeme, de matrices de fibres monomodes. On démontre que ce point devientparticulièrement critique lorsque I’on s’intéresse à des commutateurs-routeurs dont les liens sont recon-figurables. Ces considérations sont illustrées au moyen de deux exemples impliquant des interconnexions fixes et reconfigurables utilisant des matrices de microoptiques.
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Defosse, Y., Bougrenet De La Tocnaye, JL.d., Quertemont, E. et al. Microoptical elements for single mode fibre arrays free-space interconnections. Ann. Télécommun. 52, 638–651 (1997). https://doi.org/10.1007/BF02997619
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DOI: https://doi.org/10.1007/BF02997619
Key words
- Optical interconnect
- Microstructure
- Non guided propagation
- Optical deflector
- Optical refraction
- Optical diffraction
- Blazed grating
- Optical lens
- Diffraction grating
- Matrix array
- Sigle mode optical fiber
- Optical connector
- Optical switching