G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 26/00 (2006.01) G02B 6/02 (2006.01) G02B 26/02 (2006.01) H04B 10/18 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2418382
The present invention discloses an athermally-passive adjustable chromatic dispersion device. The device comprises an optical fiber grating which is fixed on its length to an elongated beam member that can be flexed so that a non- uniform tensile strain induced in the grating reconfigures the group delay response. The chirp of the grating is changed by the bending of the bar, allowing adjustable chromatic dispersion compensation. A multi-material construction allows the package to passively compensate for the natural temperature dependence of the filter resonance wavelength by varying the strain in the fiber in response to changes in the ambient temperature. The device also allows for adjustment of the central filter wavelength without affecting the grating integrity.
Pelletier Francois
Vo Van Andre
Pelletier Francois
Robic
Teraxion Inc
Vo Van Andre
LandOfFree
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