Passive thermal compensation of all-fiber Mach-Zehnder...

Details Passive thermal compensation of all-fiber Mach-Zehnder... Passive thermal compensation of all-fiber Mach-Zehnder...

2005-02-01

2005-02-01

Font, Frank G. (Department: 2877)

Optical waveguides

Temporal optical modulation within an optical waveguide

C356S477000

Reexamination Certificate

active

06850654

ABSTRACT:
The invention provides an all-fiber Mach-Zehnder interferometer in which the composition of one of the arms, which connect the couplers, or of a segment of such arm, is doped with dopants, such as GeO2, P2O5, B2O3and F. The doping is adjusted to obtain a desired thermal dependence of the interferometer within a given temperature range. The segments can further be tapered with an adiabatic taper.

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Bilodeau et al.; Ultraviolet-light photosensitivity in . . . ; Oct. 15, 1990; pp. 1138-1140; Optics Letters / vol. 15, No. 20.
Malo et al.; Unbalanced Dissimilar-Fibre Mach-Zehnder Interferometer; Oct. 12, 1989; pp. 1416-1417; Electronics Letters / vol. 25, No. 21.

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