An optical fiber/waveguide polarizer and a method of...

Details An optical fiber/waveguide polarizer and a method of... An optical fiber/waveguide polarizer and a method of...

G - Physics

02

B

G02B 5/30 (2006.01) G02B 6/024 (2006.01)

Patent

CA 2521203

The invention relates to an optical fiber polarizer comprising an optical fiber with at least a core, a cladding and surrounding medium (or outer cladding) where one or more sections of the optical fiber include periodic/aperiodic (chirped, quasi-periodic) modulation of the dielectric properties of the fiber in the direction of propagation of the light (the longitudinal axis of the fiber). The modulation of the dielectric properties of the fiber is such that it introduces periodic/aperiodic birefringence a long the direction of propagation of the light, such a modulation usually but not necessarily being confined to the vicinity of the core region of the fiber. Means are included to attenuate preferentially some of the modes of propagation of the fiber, specifically modes of one principal state of polarization and not the orthogonal state of polarization.

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