Mach-zehnder interferometric devices with composite fibers

Details Mach-zehnder interferometric devices with composite fibers Mach-zehnder interferometric devices with composite fibers

G - Physics

02

F

G02F 1/225 (2006.01) G02B 6/28 (2006.01) G02B 6/34 (2006.01) H04J 14/02 (2006.01) G02B 6/24 (2006.01)

Patent

CA 2208122

A Mach-Zehnder wavelength selective device is made using one or more composite optical fibers each incorporating a phase shift region having one effective refractive index spliced between coupling regions having a different effective refractive index. The optical path length difference or phase delay induced by each such composite fiber is a linear function of the length of the phase shift region.

Un dispositif sélectif de longueur d'onde Mach-Zehnder comprend une ou plusieurs fibres optiques composites, chacune incorporant une zone de déplacement de phase ayant un indice de réfraction efficace divisé entre les zones de couplage ayant un indice de réfraction efficace différent. La différence de la longueur du chemin optique ou le temps de propagation de phase induit par chacune de ces fibres composites est une fonction linéaire de la longueur de la zone de déplacement de phase.

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