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

Pavel Polynkin; Alexander Polynkin; Masud Mansuripur; Jerome Moloney; N. Peyghambarian

doi:10.1364/OL.30.002745

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

Pavel Polynkin, Alexander Polynkin, Masud Mansuripur, Jerome Moloney, N. Peyghambarian

Optical Sciences, College of

Research output: Contribution to journal › Article

32 Scopus citations

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 language	English (US)
Pages (from-to)	2745-2747
Number of pages	3
Journal	Optics letters
Volume	30
Issue number	20
DOIs	https://doi.org/10.1364/OL.30.002745
State	Published - Oct 15 2005

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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Polynkin, P., Polynkin, A., Mansuripur, M., Moloney, J., & Peyghambarian, N. (2005). Single-frequency laser oscillator with watts-level output power at 1.5 μm by use of a twisted-mode technique. Optics letters, 30(20), 2745-2747. https://doi.org/10.1364/OL.30.002745

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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.",

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AU - Peyghambarian, N.

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