Branched optical waveguide, and its method of use

Details Branched optical waveguide, and its method of use Branched optical waveguide, and its method of use

G - Physics

02

F

G02F 1/025 (2006.01) G02F 1/225 (2006.01) G02F 1/313 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2331069

The device comprises an upper silicon layer (10) including two optically connected rib waveguides (3, 4) formed in the upper silicon layer (10); a pair of dissimilar materials (6, 7) each positioned between the two waveguides (3, 4); and an electrical circuit (8, 9, 13) through the pair of dissimilar materials (6, 7), so that an electrical current can be passed through the dissimilar materials (6, 7) in both forward and reverse directions, so as to simultaneously heat one waveguide and cool the other waveguide by virtue of the Peltier effect.

Le dispositif de cette invention comprend une couche supérieure (10) au silicium comprenant deux guides d'ondes (3, 4) à nervures à connexion optique qui sont formés dans la couche supérieure (10) au silicium; une paire de matériaux dissemblables (6, 7) qui sont chacun positionnés entre les deux guides d'ondes (3, 4); et un circuit électrique (8, 9, 13) qui traverse la paire de matériaux dissemblables (6, 7) pour qu'un courant électrique puisse circuler dans les sens avant et arrière dans ces matériaux dissemblables (6, 7), de manière à simultanément chauffer un guide d'ondes et à refroidir l'autre guide d'ondes en raison de l'effet Peltier.

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