Highly Efficient, Incoherent Slab-Pumped Fiber Amplifier/Laser Designs

Dmitrii Kouznetsov, Jerome V Moloney

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The problem of delivering a multimode pump to a single mode core is considered. Original designs of double-clad fiber amplifiers are analyzed. A slab pump geometry of a fiber amplifier is suggested. The partially coherent pump should be coupled to the narrow slab which supports propagation of the pump and absorbs highest modes of the core, then the core itself has no need to be single-mode. The slab plays the role of cladding in conventional double-clad fibers. Such a cladding has no need to surround the core and its refractive index can be higher than that of the core. Then the highest modes of the slab are absorbed at very beginning of the amplifier. This allows for tapering of the slab, providing almost constant pump power in the core. The end result is a the high efficiency of a compact device with scaling to high pump power. We provide the key design formulas for such a device.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsM. Fallahi, J.V. Moloney
Pages111-119
Number of pages9
Volume4993
DOIs
StatePublished - 2003
EventHigh-Power Fiber and Semiconductor Lasers - San Jose, CA, United States
Duration: Jan 27 2003Jan 27 2003

Other

OtherHigh-Power Fiber and Semiconductor Lasers
CountryUnited States
CitySan Jose, CA
Period1/27/031/27/03

Fingerprint

Fiber amplifiers
slabs
amplifiers
Pumps
pumps
fibers
Lasers
lasers
tapering
Refractive index
refractivity
scaling
propagation
Geometry
Fibers
geometry

Keywords

  • Amplifiers
  • Doped fibers
  • Double-clad fibers
  • High power fiber lasers
  • Slab waveguide

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Kouznetsov, D., & Moloney, J. V. (2003). Highly Efficient, Incoherent Slab-Pumped Fiber Amplifier/Laser Designs. In M. Fallahi, & J. V. Moloney (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4993, pp. 111-119) https://doi.org/10.1117/12.479461

Highly Efficient, Incoherent Slab-Pumped Fiber Amplifier/Laser Designs. / Kouznetsov, Dmitrii; Moloney, Jerome V.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / M. Fallahi; J.V. Moloney. Vol. 4993 2003. p. 111-119.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kouznetsov, D & Moloney, JV 2003, Highly Efficient, Incoherent Slab-Pumped Fiber Amplifier/Laser Designs. in M Fallahi & JV Moloney (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 4993, pp. 111-119, High-Power Fiber and Semiconductor Lasers, San Jose, CA, United States, 1/27/03. https://doi.org/10.1117/12.479461
Kouznetsov D, Moloney JV. Highly Efficient, Incoherent Slab-Pumped Fiber Amplifier/Laser Designs. In Fallahi M, Moloney JV, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4993. 2003. p. 111-119 https://doi.org/10.1117/12.479461
Kouznetsov, Dmitrii ; Moloney, Jerome V. / Highly Efficient, Incoherent Slab-Pumped Fiber Amplifier/Laser Designs. Proceedings of SPIE - The International Society for Optical Engineering. editor / M. Fallahi ; J.V. Moloney. Vol. 4993 2003. pp. 111-119
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