Waveguide-pumping gain guided index antiguided fiber laser

Details Waveguide-pumping gain guided index antiguided fiber laser Waveguide-pumping gain guided index antiguided fiber laser

2007-11-09

2010-02-23

Harvey, Minsun (Department: 2828)

Coherent light generators

Optical fiber laser

C372S071000, C372S075000, C372S070000

Reexamination Certificate

active

07668211

ABSTRACT:
Methods, systems and devices for a waveguide pumping gain guided index antiguided fiber laser having a fiber selected for a refractive index crossover at a wavelength between a pump wavelength and a laser emission wavelength. A waveguide pumping system pumps a light having a pump wavelength into the fiber allowing a laser light to be captured by a gain guided process in the core while the pump light, propagating in the cladding is coupled to the core. The fiber selection includes selecting a fiber with a cladding material having a refractive index less than a core material refractive index for a pump wavelength and a core refractive index at the laser emission wavelength is less than the cladding refractive index at the same laser emission wavelength to allow the pump light to propagate through the cladding as a conventional wave guided fiber laser, white the laser emission is captured within the core as an index antiguided, gain guided wave.

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