Yb-doped amplifier fiber with distributed filtering by resonant core-ring coupling

John M. Fini,Marc Mermelstein,M.F. Van,Ryan T. Bise,Andrew D. Yablon,P. W. Wisk,M. J. Andrejco

Yb-doped amplifier fiber with distributed filtering by resonant core-ring coupling

2006

John M. Fini
Marc Mermelstein
M.F. Van
Ryan T. Bise
Andrew D. Yablon
P. W. Wisk
M. J. Andrejco

An Yb-doped amplifier fiber with distributed gain filtering along its length was fabricated. Measured amplified spontaneous emission confirms gain suppression at wavelengths relevant to important laser noise components. Pump efficiency improvement was observed.

Keywords:

Fiber laser
Laser power scaling
Graded-index fiber
Fiber Bragg grating
Optical amplifier
Amplified spontaneous emission
Electronic engineering
Dispersion-shifted fiber
Engineering
Semiconductor optical gain
Optics
Optoelectronics
Optical fiber
Polarization-maintaining optical fiber

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