H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 1/39 (2006.01) H04B 10/20 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2055546
In an optical self-routing network, N optical splitters are associated respectively with N inlet terminals for splitting an optical signal from the associated inlet terminal into M replicas of the optical signal. M optical combiners, associated respectively with M outlet terminals, combines N optical signals incident thereon into a combined optical signal and couples it to the associated outlet terminal. M sets of N optical gates are connected between the N optical splitters and the M optical combiners. Each optical gate allows passage of an optical signal incident thereon when it timely coincides with an electrical signal applied thereto. A controller supplies a gate control electrical signal to the optical gates of each set during M successive intervals. Contention between optical packets simultaneously incident on the optical gates of the same set is resolved by the controller.
Dans un réseau optique à autoacheminement, N diviseurs optiques sont associés respectivement à N bornes d'entrée pour décomposer un signal lumineux provenant de la borne d'entrée connexe en M images de ce signal lumineux. M combinateurs optiques associés respectivement à M bornes de sortie combinent N signaux lumineux incidents pour former un signal lumineux résultant qui est transmis à la borne de sortie connexe. M ensembles de N portes optiques sont connectés entre les N diviseurs optiques et les M combinateurs optiques. Chaque porte optique permet le passage des signaux lumineux incidents quand ceux-ci lui parviennent en même temps qu'un signal électrique qui lui est transmis. Un contrôleur transmet un signal électrique de commande aux portes optiques de chaque ensemble durant M intervalles successifs. Les conflits entre paquets lumineux qui arrivent simultanément aux portes optiques du même ensemble sont résolus par ce contrôleur.
Nishio Makoto
Suzuki Shuji
Corporation Nec
Smart & Biggar
LandOfFree
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