Book Chapter


Werner Blau



cnt nanoscience nonlinear optics photonics carbon carbon composites graphene nlo nanocarbon

Nonlinear Optical Properties of Graphene and Carbon Nanotube Composites (2011)

Abstract The rapid development of nanoscience and nanotechnology provides lots of new opportunities for nonlinear optics. A growing number of nanomaterials have been shown to possess remarkable nonlinear optical (NLO) properties, which promotes the design and fabrication of nano and nano-scale optoelectronic and photonic devices (Xia et al. 2003; Avouris et al. 2008; Hasan et al. 2009; Bonaccorso et al. 2010; Loh et al. 2010; Coleman et al. 2011). The wonderful carbon allotropes discovered in recent decades are the most representative products of nanotechnology: from 3D carbon nanoparticles (graphite), to 0D fullerenes, to 1D carbon nanotubes (CNTs), and then to 2D graphenes discovered most recently. Interestingly, all of these nano-carbons exhibit diverse NLO properties. For instance, carbon black suspensions show strong thermally-induced nonlinear scattering (NLS) effect and hence optical limiting (OL) for intense ns laser pulses (Mansour et al. 1992); fullerenes show large third-order optical nonlinearity and reverse saturable absorption (RSA) at certain wavelength band (Tutt et al. 1992); CNTs show ultrafast second- and thirdorder nonlinearities and saturable absorption (SA) in the near infrared (NIR) region (Hasan et al. 2009); and graphenes show ultrafast carrier relaxation time and ultra-broad-band resonate NLO response (Bonaccorso et al. 2010).
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Werner Blau

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Werner Blau
Trinity College Dublin
Total Publications: 109