Wave transmission medium and waveguide circuit

G - Physics – 02 – B

Patent

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Details

G02B 6/13 (2006.01) G02B 6/12 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2511944

A wave transmission medium includes an input port 3-1 and an output port 3-2. A field distribution 1 and a field distribution 2 are obtained by numerical calculations. The field distribution 1 is a field distribution of the propagation light (forward propagation light) launched into the input port 3-1. The field distribution 2 is a field distribution of the phase conjugate light (reverse propagation light) resulting from reversely transmitting from the output port side an output field that is expected to be output from the output port 3-2 when an optical signal is launched into the input port 3-1,. According to the field distributions 1 and 2, a spatial refractive index distribution is calculated such that the phase difference between the propagation light and reverse propagation light is eliminated at individual points (x, z) in the medium.

L'invention porte sur un port d'entrée et sur un port de sortie ménagés sur un support de transmission d'ondes. La distribution de champ (1) d'une propagation de lumière (lumière propagée vers l'avant) qui a pénétré par le port d'entrée est effectuée par calcul numérique. La distribution de champ (2) d'une lumière à conjugaison de phase (lumière à propagation inverse) est également effectuée par calcul numérique. La lumière à conjugaison de phase est propagée de manière inverse par le port de sortie de sorte que, le champ de sortie attendu, lorsqu'un signal optique a pénétré par le port d'entrée, soit émis par le port de sortie. A partir des distributions de champ 1 et 2, la distribution spatiale de l'indice de réfraction dans un support peut être ainsi déterminée que lorsqu'il n'y a pas de différence de phase entre la lumière propagée et la lumière à propagation inverse à chaque point (x, z).

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