Dispersion-shifted fiber for optical parametric amplifier

Details Dispersion-shifted fiber for optical parametric amplifier Dispersion-shifted fiber for optical parametric amplifier

2007-07-10

2007-07-10

Kianni, Kaveh (Department: 2883)

Optical waveguides

Optical fiber waveguide with cladding

C385S126000, C385S144000

Reexamination Certificate

active

10903056

ABSTRACT:
Provided is a dispersion-shifted fiber for an optical parametric amplifier. The dispersion-shifted fiber is a silica-based optical fiber and has a large nonlinear coefficient and a small effective area. The dispersion-shifted fiber also reduces a bending loss and a splice loss due to a mode field diameter difference between it and a conventional single mode fiber. For this, the dispersion-shifted fiber comprises a rectangular core with a very small radius and a high refractive index, a depressed inner clad, and an outer clad with a ring. The core and/or the inner clad are/is doped with a heavy metal.

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