Beam cleaning effects in multimode GRIN-fiber Raman lasers and amplifiers

A. G. Kuznetsov; I. N. Nemov; A. A. Wolf; S. I. Kablukov; S. A. Babin; Yizhu Chen; Tianfu Yao; Jinyong Leng; Pu Zhou

doi:10.1088/1742-6596/1508/1/012009

Beam cleaning effects in multimode GRIN-fiber Raman lasers and amplifiers

A. G. Kuznetsov, I. N. Nemov, A. A. Wolf, S. I. Kablukov, S. A. Babin, Yizhu Chen, Tianfu Yao, Jinyong Leng, Pu Zhou

Research output: Contribution to journal › Conference article › peer-review

Abstract

Raman conversion in multimode GRIN fibers is accompanied by sufficient improvement of the output beam quality in comparison with that for pump radiation, which offers opportunities to create amplifiers and lasers of new type based on directly 9xx-nm diode pumped passive GRIN fibers, which may operate at almost any wavelength in transmission window (0.95-2 micron) of silica fibers. Here we review experimental results and physical mechanisms leading to the beam quality improvement (beam cleaning) in multimode Raman lasers and amplifiers, including effects of Raman gain, fiber Bragg gratings and Rayleigh backscattering feedback in GRIN fibers.

Original language	English
Article number	012009
Number of pages	7
Journal	Journal of Physics: Conference Series
Volume	1508
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/1508/1/012009
Publication status	Published - 1 Jul 2020
Event	28th Annual International Laser Physics Workshop, LPHYS 2019 - Gyeongju, Korea, Republic of Duration: 8 Jul 2019 → 12 Jul 2019

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10.1088/1742-6596/1508/1/012009

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title = "Beam cleaning effects in multimode GRIN-fiber Raman lasers and amplifiers",

abstract = "Raman conversion in multimode GRIN fibers is accompanied by sufficient improvement of the output beam quality in comparison with that for pump radiation, which offers opportunities to create amplifiers and lasers of new type based on directly 9xx-nm diode pumped passive GRIN fibers, which may operate at almost any wavelength in transmission window (0.95-2 micron) of silica fibers. Here we review experimental results and physical mechanisms leading to the beam quality improvement (beam cleaning) in multimode Raman lasers and amplifiers, including effects of Raman gain, fiber Bragg gratings and Rayleigh backscattering feedback in GRIN fibers.",

author = "Kuznetsov, {A. G.} and Nemov, {I. N.} and Wolf, {A. A.} and Kablukov, {S. I.} and Babin, {S. A.} and Yizhu Chen and Tianfu Yao and Jinyong Leng and Pu Zhou",

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T1 - Beam cleaning effects in multimode GRIN-fiber Raman lasers and amplifiers

AU - Kuznetsov, A. G.

AU - Nemov, I. N.

AU - Wolf, A. A.

AU - Kablukov, S. I.

AU - Babin, S. A.

AU - Chen, Yizhu

AU - Yao, Tianfu

AU - Leng, Jinyong

AU - Zhou, Pu

PY - 2020/7/1

Y1 - 2020/7/1

N2 - Raman conversion in multimode GRIN fibers is accompanied by sufficient improvement of the output beam quality in comparison with that for pump radiation, which offers opportunities to create amplifiers and lasers of new type based on directly 9xx-nm diode pumped passive GRIN fibers, which may operate at almost any wavelength in transmission window (0.95-2 micron) of silica fibers. Here we review experimental results and physical mechanisms leading to the beam quality improvement (beam cleaning) in multimode Raman lasers and amplifiers, including effects of Raman gain, fiber Bragg gratings and Rayleigh backscattering feedback in GRIN fibers.

AB - Raman conversion in multimode GRIN fibers is accompanied by sufficient improvement of the output beam quality in comparison with that for pump radiation, which offers opportunities to create amplifiers and lasers of new type based on directly 9xx-nm diode pumped passive GRIN fibers, which may operate at almost any wavelength in transmission window (0.95-2 micron) of silica fibers. Here we review experimental results and physical mechanisms leading to the beam quality improvement (beam cleaning) in multimode Raman lasers and amplifiers, including effects of Raman gain, fiber Bragg gratings and Rayleigh backscattering feedback in GRIN fibers.

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