Single-frequency laser oscillator with watts-level output power at 1.5 μm by use of a twisted-mode technique

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Abstract

We report an all-fiber laser oscillator producing as much as 1.9 W of single-frequency direct output at 1.5 μm. Spatial gain hole burning in the active fiber has been eliminated by use of a twisted-mode cavity approach. The two short pieces of a polarization-maintaining fiber that were spliced to the ends of the active fiber served as ultracompact quarter-wave plates. To our knowledge, the use of such a wave plate to manipulate the polarization state of light inside a fiber laser cavity is reported here for the first time. The laser output is linearly polarized and delivered through a polarization-maintaining fiber pigtail. We believe that the output power of our laser is the highest among all single-frequency fiber laser oscillators reported to date.

Original languageEnglish (US)
Pages (from-to)2745-2747
Number of pages3
JournalOptics Letters
Volume30
Issue number20
DOIs
StatePublished - Oct 15 2005

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oscillators
fiber lasers
fibers
output
lasers
polarization
hole burning
laser outputs
laser cavities
cavities

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

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title = "Single-frequency laser oscillator with watts-level output power at 1.5 μm by use of a twisted-mode technique",
abstract = "We report an all-fiber laser oscillator producing as much as 1.9 W of single-frequency direct output at 1.5 μm. Spatial gain hole burning in the active fiber has been eliminated by use of a twisted-mode cavity approach. The two short pieces of a polarization-maintaining fiber that were spliced to the ends of the active fiber served as ultracompact quarter-wave plates. To our knowledge, the use of such a wave plate to manipulate the polarization state of light inside a fiber laser cavity is reported here for the first time. The laser output is linearly polarized and delivered through a polarization-maintaining fiber pigtail. We believe that the output power of our laser is the highest among all single-frequency fiber laser oscillators reported to date.",
author = "Polynkin, {Pavel G} and Alexander Polynkin and Masud Mansuripur and Moloney, {Jerome V} and Peyghambarian, {Nasser N}",
year = "2005",
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T1 - Single-frequency laser oscillator with watts-level output power at 1.5 μm by use of a twisted-mode technique

AU - Polynkin, Pavel G

AU - Polynkin, Alexander

AU - Mansuripur, Masud

AU - Moloney, Jerome V

AU - Peyghambarian, Nasser N

PY - 2005/10/15

Y1 - 2005/10/15

N2 - We report an all-fiber laser oscillator producing as much as 1.9 W of single-frequency direct output at 1.5 μm. Spatial gain hole burning in the active fiber has been eliminated by use of a twisted-mode cavity approach. The two short pieces of a polarization-maintaining fiber that were spliced to the ends of the active fiber served as ultracompact quarter-wave plates. To our knowledge, the use of such a wave plate to manipulate the polarization state of light inside a fiber laser cavity is reported here for the first time. The laser output is linearly polarized and delivered through a polarization-maintaining fiber pigtail. We believe that the output power of our laser is the highest among all single-frequency fiber laser oscillators reported to date.

AB - We report an all-fiber laser oscillator producing as much as 1.9 W of single-frequency direct output at 1.5 μm. Spatial gain hole burning in the active fiber has been eliminated by use of a twisted-mode cavity approach. The two short pieces of a polarization-maintaining fiber that were spliced to the ends of the active fiber served as ultracompact quarter-wave plates. To our knowledge, the use of such a wave plate to manipulate the polarization state of light inside a fiber laser cavity is reported here for the first time. The laser output is linearly polarized and delivered through a polarization-maintaining fiber pigtail. We believe that the output power of our laser is the highest among all single-frequency fiber laser oscillators reported to date.

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