Thermal effect-resilient design of large mode area double-cladding Yb-doped photonic crystal fibers

Enrico Coscelli, Federica Poli, Mette Marie Johansen, Thomas Tanggaard Alkeskjold, Lasse Leick, Jes Broeng, Michele Sozzi, Alessandro Candiani, Annamaria Cucinotta, Stefano Selleri

Research output: Contribution to journalConference articleResearchpeer-review

1 Downloads (Pure)

Abstract

The effects of thermally-induced refractive index change on the guiding properties of different large mode area fibers have been numerically analyzed. A simple but accurate model has been applied to obtain the refractive index change in the fiber cross-section, and a full-vector modal solver based on the finite-element method has been used to calculate the guided modes of the fibers operating at high power levels. The results demonstrate that resonant structures added to the fiber cross-section can be exploited to provide efficient suppression of high-order modes with a good resilience to thermal effects.
Original languageEnglish
JournalProceedings of SPIE, the International Society for Optical Engineering
Volume8601
Pages (from-to)86012O
Number of pages7
ISSN0277-786X
DOIs
Publication statusPublished - 2013
EventSPIE Photonics West : Fiber Lasers X: Technology, Systems, and Applications: Technology, Systems, and Applications - San Francisco, CA, United States
Duration: 4 Feb 20137 Feb 2013
Conference number: 10

Conference

ConferenceSPIE Photonics West : Fiber Lasers X: Technology, Systems, and Applications
Number10
CountryUnited States
CitySan Francisco, CA
Period04/02/201307/02/2013

Keywords

  • Fiber lasers
  • Finite element method
  • Photonic crystal fibers
  • Fibers

Cite this

Coscelli, E., Poli, F., Johansen, M. M., Alkeskjold, T. T., Leick, L., Broeng, J., Sozzi, M., Candiani, A., Cucinotta, A., & Selleri, S. (2013). Thermal effect-resilient design of large mode area double-cladding Yb-doped photonic crystal fibers. Proceedings of SPIE, the International Society for Optical Engineering, 8601, 86012O. https://doi.org/10.1117/12.2004048