Applied Physics B

, 125:40 | Cite as

Analytical thermal modeling of graphene-clad microfiber as a saturable absorber in ultrafast fiber lasers

  • Vahid Ashoori
  • Mahdi ShayganmaneshEmail author


In this paper, thermal problem in graphene-clad microfiber (GCM) generated due to the interaction of laser evanescent field with graphene is studied theoretically. Heat-differential equation governs in GCM which is usually applied as a saturable absorber in mode-locked fiber lasers is studied by analytical method. A three-dimensional expression for temperature is presented by considering all of effective parameters in real problem. The results will pave the way for more researches on thermal effects on GCM nonlinearities, self-focusing, thermal phase shift, and self-phase modulation. Furthermore, the highest pump power to remain in thermal operational range as well as the thermal damage threshold are presented as the necessary criteria for laser design.



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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of PhysicsIran University of Science and TechnologyNarmak, TehranIran

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