G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/12 (2006.01) G02B 6/122 (2006.01) G02B 6/134 (2006.01) G02F 1/01 (2006.01) G02F 1/313 (2006.01) H01S 3/063 (2006.01) G02B 6/30 (2006.01) H01S 5/20 (2006.01) H01S 5/223 (2006.01) H01S 5/50 (2006.01)
Patent
CA 2432815
The invention concerns an optically active device comprising an optical waveguide core on an optical substrate (11, 15, 20) and a control element (32-33, 37, 40). The core comprises a channel (12, 17, 25, 35-36, 38-39) and at least an active layer (13, 18, 22) arranged on said channel, the refractive index of the channel and that of the active layer being higher than that of the substrate. The optical substrate (11, 15, 20) has a mobile ion concentration less than 0.01 %. Advantageously, the device further comprises a covering layer (14, 19, 23) arranged on the active layer (13, 18, 22), the index of said covering layer being less than that of the active layer and of the channel. The invention also concerns a method for making said device.
L'invention pr~sente un dispositif optiquement actif comportant un coeur d'un guide d'onde optique sur un substrat optique (11, 15, 20) et un ~l~ment de commande (32-33, 37, 40). Le coeur comprend un canal (12, 17, 25, 31, 35-36, 38-39) et au moins une couche active (13, 18, 22) agenc~e sur ce canal, l'indice de r~fraction du canal et celui de la couche active ~tant sup~rieurs ~ celui du substrat. Le substrat optique (11, 15, 20) pr~sente une concentration en ions mobiles inf~rieure ~ 0,01%. Avantageusement, le dispositif comporte de plus une couche de recouvrement (14, 19, 23) dispos~e sur la couche active (13, 18, 22), l'indice de cette couche de recouvrement ~tant inf~rieur ~ celui de la couche active et ~ celui du canal. L'invention vise ~galement une m~thode de fabrication du dispositif.
Roux Laurent
Tisserand Stephane
Ion Beam Services
Robic
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