Double-cladding photonic crystal fibers with reduced cladding symmetry for Tm-doped lasers

Enrico Coscelli, Carlo Molardi, Federica Poli, Annamaria Cucinotta, Stefano Selleri

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

Abstract

Innovative Photonic Crystal Fibers (PCF) with optimized air-hole matrix, designed to break the C6v symmetry of the inner cladding while preserving their feasibility through the well-established stack-and-draw technique, are presented. The possibility to provide stable SM guiding at λ = 2 μm with core diameter up to 80 μm and a coupled pump power exceeding 300 W is analyzed by means of a full-vector modal solver based on the finiteelement method with embedded thermal model, to account for the effects of heating on the mode confinement. Simulation results have shown this approach is effective in providing modal discrimination, allowing selective amplification of the sole fundamental mode due to the delocalization of the high-order modes with mirrorsymmetric field distributions. Effective suppression of the high-order modes under a heat load of 340 W/m, while keeping an effective area exceeding 2500 μm2 has been demonstrated.

Original languageEnglish
Title of host publicationMicro-Structured and Specialty Optical Fibres III
PublisherSPIE
Volume9128
ISBN (Print)9781628410761
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes
EventMicro-Structured and Specialty Optical Fibres III - Brussels, Belgium
Duration: Apr 14 2014Apr 15 2014

Conference

ConferenceMicro-Structured and Specialty Optical Fibres III
CountryBelgium
CityBrussels
Period4/14/144/15/14

Fingerprint

Photonic crystal fibers
Thermal load
Photonic Crystal
Amplification
Pumps
Fiber
photonics
Higher Order
Laser
Symmetry
Heating
Thermal Model
fibers
Lasers
symmetry
Air
Pump
Discrimination
crystals
lasers

Keywords

  • Photonic crystal fibers
  • thermal effects
  • Thulium-doped fibers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Coscelli, E., Molardi, C., Poli, F., Cucinotta, A., & Selleri, S. (2014). Double-cladding photonic crystal fibers with reduced cladding symmetry for Tm-doped lasers. In Micro-Structured and Specialty Optical Fibres III (Vol. 9128). [912808] SPIE. https://doi.org/10.1117/12.2051624

Double-cladding photonic crystal fibers with reduced cladding symmetry for Tm-doped lasers. / Coscelli, Enrico; Molardi, Carlo; Poli, Federica; Cucinotta, Annamaria; Selleri, Stefano.

Micro-Structured and Specialty Optical Fibres III. Vol. 9128 SPIE, 2014. 912808.

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

Coscelli, E, Molardi, C, Poli, F, Cucinotta, A & Selleri, S 2014, Double-cladding photonic crystal fibers with reduced cladding symmetry for Tm-doped lasers. in Micro-Structured and Specialty Optical Fibres III. vol. 9128, 912808, SPIE, Micro-Structured and Specialty Optical Fibres III, Brussels, Belgium, 4/14/14. https://doi.org/10.1117/12.2051624
Coscelli E, Molardi C, Poli F, Cucinotta A, Selleri S. Double-cladding photonic crystal fibers with reduced cladding symmetry for Tm-doped lasers. In Micro-Structured and Specialty Optical Fibres III. Vol. 9128. SPIE. 2014. 912808 https://doi.org/10.1117/12.2051624
Coscelli, Enrico ; Molardi, Carlo ; Poli, Federica ; Cucinotta, Annamaria ; Selleri, Stefano. / Double-cladding photonic crystal fibers with reduced cladding symmetry for Tm-doped lasers. Micro-Structured and Specialty Optical Fibres III. Vol. 9128 SPIE, 2014.
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