Multiple Nonlinear Optical Response of Gold Decorated-Reduced Graphene Oxide-Nanocomposite for Photonic Applications

Authors

  • Sudhakara Reddy Bongu Department of Physics, Indian Institute of Technology Madras, Chennai 600036
  • Prem B. Bisht Department of Physics, Indian Institute of Technology Madras, Chennai 600036
  • Tran V. Thu EIIRIS, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku, Toyohashi 441-8580
  • Adarsh Sandhu EIIRIS, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku, Toyohashi 441-8580

DOI:

https://doi.org/10.26713/jamcnp.v2i3.346

Keywords:

Graphene, gold nanoparticles, Saturable absorption, Two photon absorption, Diode

Abstract

Multiple nonlinear optical (NLO) responses of gold nanoparticles-grafted reduced graphene oxide (Au-rGO) nanocomposite have been studied with open aperture Z-scan setup. The nanocomposite shows the effect of saturable absorption (SA) at lower intensity that flips to reverse saturable absorption (RSA) on increasing the input irradiance. The results have been explained on the basis of the Pauli-blocking and multiphoton absorption. The NLO response of the material has been compared with the electronic diode characteristics. The simulations of the NLO responses of the nanocomposite have been done by varying saturation intensity and two-photon absorption coefficient of the material.

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Published

2015-12-28
CITATION

How to Cite

Bongu, S. R., Bisht, P. B., Thu, T. V., & Sandhu, A. (2015). Multiple Nonlinear Optical Response of Gold Decorated-Reduced Graphene Oxide-Nanocomposite for Photonic Applications. Journal of Atomic, Molecular, Condensed Matter and Nano Physics, 2(3), 207–214. https://doi.org/10.26713/jamcnp.v2i3.346

Issue

Vol. 2 No. 3 (2015)

Section

Research Article

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