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  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper EI_P_5

MoS2 Coated Side Polished Fibers for Nonlinear Optics

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Abstract

Owing to their wide range of exceptional properties, two-dimensional (2D) materials have emerged as exciting media for the development of highly functional optoelectronic devices. Of these materials, the transition-metal dichalcogenides (TMDCs) are of particular interest as, unlike graphene, they are often semiconductors, and their optoelectronic properties can be tuned quite dramatically by controlling the material thickness. For example, in some materials it is possible to tune the electronic bandgap from indirect in a few layers, to direct in a single layer, of significant interest for the development of lasers. Here we focus our investigations on few-layer molybdenum disulfide (MoS2) materials for use in nonlinear optical applications. In this material, as well as controlling the bandgap, the layer thickness can be used to control the size of the nonlinear coefficients, with the second order nonlinearity turning on when the layer number is odd [1].

© 2017 IEEE

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