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Microstructured Soft Glass Fibers for Advanced Fiber Lasers

Published online by Cambridge University Press:  01 February 2011

Axel Schulzgen ,
Li Li ,
Xiushan Zhu ,
Shigeru Suzuki ,
Valery L. Temyanko ,
Jacques Albert  and
Nasser Peyghambarian
Axel Schulzgen
Affiliation:
axel@optics.arizona.edu, University of Arizona, College of Optical Sciences, 1630 E. University Blvd., Tucson, AZ, 85750, United States
Li Li
Affiliation:
lli@optics.arizona.edu, University of Arizona, College of Optical Sciences, 1630 E. University Blvd., Tucson, AZ, 85750, United States
Xiushan Zhu
Affiliation:
xzhu@optics.arizona.edu, University of Arizona, College of Optical Sciences, 1630 E. University Blvd., Tucson, AZ, 85750, United States
Shigeru Suzuki
Affiliation:
SSuzuki@optics.arizona.edu, University of Arizona, College of Optical Sciences, 1630 E. University Blvd., Tucson, AZ, 85750, United States
Valery L. Temyanko
Affiliation:
VTemyanko@optics.arizona.edu, University of Arizona, College of Optical Sciences, 1630 E. University Blvd., Tucson, AZ, 85750, United States
Jacques Albert
Affiliation:
jacques_albert@carleton.ca, Carleton University, Department of Electronics, 1125 Colonel By Drive, Ottawa, K1S 5B6, Canada
Nasser Peyghambarian
Affiliation:
nnp@u.arizona.edu, University of Arizona, College of Optical Sciences, 1630 E. University Blvd., Tucson, AZ, 85750, United States
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Abstract

Combining novel highly-doped phosphate glasses and advanced fiber drawing techniques, we fabricated and tested single-frequency fiber lasers that generate powers of more than 2-W. We demonstrate enhanced performance employing active photonic crystal fiber compared to more conventional devices that are based on large core step-index fiber.

Through the integration of phosphate glass fiber gratings and highly-doped active phosphate glass fiber, we improve on optical, thermal, and mechanical behavior of our compact fiber lasers. Powerful and widely tunable phosphate glass distributed fiber lasers are presented and the possibility of cascading several grating structure for multiple wavelength generation is demonstrated. We also present results on phase-locking and coherently combining the output of up to 37 fiber cores into a single, near-Gaussian laser beam. To achieve exclusive oscillation of the fundamental in-phase supermode, several all-fiber laser cavities have been designed, numerically analyzed, fabricated, and tested. We will report on a 10-cm long monolithic all-fiber laser that emits more than 12-W of optical power and is based on combining the output of 19 active cores. All the cores are integrated within the same cladding and arranged in a two-dimensional isometric array.

Keywords

laserfibermicrostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1076: Symposium K – Materials and Devices for Laser Remote Sensing and Optical Communication , 2008 , 1076-K01-02
Copyright
Copyright © Materials Research Society 2008

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References

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