Optical switch

G - Physics – 02 – F

Patent

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Details

G02F 1/19 (2006.01) G02F 1/313 (2006.01) G02F 1/017 (2006.01)

Patent

CA 2231424

An optical switch comprising a first input wave-guide (12) and a second input wave-guide (14), a first output wave-guide (16) and a second output wave-guide (18), as well as a controllable switching device whereby, as desired, the first input wave-guide (12) can be connected with the second output wave-guide (18), and the second input wave-guide (14) can be connected with the first output wave-guide (16) or else the first input wave-guide (12) can be connected with the first output wave-guide (16), and the second input wave- guide (14) can be connected with the second output wave-guide (18). The switching device comprises two cross-connection wave-guides (36, 38) and two loops (26, 32) or two other connection wave-guides (82, 90) that are bowed, as well as four couplers (42, 46, 52, 56) or four more couplers (84, 86, 88, 92) in which a light-wave blocking state is produced.

L'invention concerne un commutateur optique présentant un premier guide d'ondes d'entrée (12) et un second guide d'ondes d'entrée (14), un premier guide d'ondes de sortie (16) et un second guide d'ondes de sortie (18), et des dispositifs de commutation contrôlables, permettant de relier sélectivement le premier guide d'ondes d'entrée (12) au second guide d'ondes de sortie (18), le second guide d'ondes d'entrée (14) au premier guide d'ondes de sortie (16), ou le premier guide d'ondes d'entrée (12) au premier guide d'ondes de sortie (16) et le second guide d'ondes d'entrée (14) au second guide d'ondes de sortie (18). Les dispositifs de commutation comportent deux guides d'ondes d'interconnexion croisés (36, 38) et deux boucles (26, 32) ou deux autres guides d'ondes de liaison (82, 90) courbés, ainsi que quatre coupleurs (42, 46, 52, 56) et éventuellement quatre autres coupleurs (84, 86, 88, 92) dans lesquels se crée à chaque fois un état empêchant le passage des ondes lumineuses.

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