Utilizations of two-stage erbium amplifier and saturable-absorber filter for tunable and stable power-equalized fiber laser | Zendy

Sien Chi | Zendy

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Utilizations of two-stage erbium amplifier and saturable-absorber filter for tunable and stable power-equalized fiber laser

Author(s) -

Sien Chi

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.003680

Subject(s) - saturable absorption , materials science , optics , fiber laser , amplifier , erbium , optical amplifier , amplified spontaneous emission , optoelectronics , laser , doping , physics , wavelength , cmos

We propose and investigate experimentally a tunable and stable fiber laser with single-longitudinal-mode (SLM) and power-equalized output based on a two-stage erbium amplifier and a saturable-absorber filter. Two-stage amplifier consists of an erbium-doped waveguide amplifier (EDWA) and erbium-doped fiber amplifier (EDFA) to generate a flatter amplified spontaneous emission (ASE) source for constant output. Saturable-absorber filter constructs by an unpumped EDF and a fiber reflected mirror (FRM) to provide a fine mode restriction and guarantee a SLM operation.

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