Cascaded third-harmonic generation in hybrid graphene-semiconductor waveguides
نویسندگان
چکیده
منابع مشابه
Second-harmonic generation in subwavelength graphene waveguides
We suggest a novel approach for generating the second-harmonic radiation in subwavelength graphene waveguides. We demonstrate that the quadratic phase matching between plasmonic guided modes of different symmetries can be achieved in a planar double-layer graphene structure when conductivity of one of the layers becomes spatially modulated. We predict theoretically that, owing to graphene nonlo...
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Nardeep Kumar,1 Jatinder Kumar,1 Chris Gerstenkorn,1 Rui Wang,1,2 Hsin-Ying Chiu,1 Arthur L. Smirl,2 and Hui Zhao1,* 1Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA 2Laboratory for Photonics and Quantum Electronics, University of Iowa, Iowa City, Iowa 52242, USA (Received 5 November 2012; revised manuscript received 13 February 2013; published 18 March 2013)
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We study the second-harmonic generation and localization of light in a reconfigurable waveguide induced by an optical vortex soliton in a defocusing Kerr medium. We show that the vortex-induced waveguide greatly improves conversion efficiency from the fundamental to the second-harmonic field.
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Collinear third-harmonic generation at 526.7 nm was realized by the simultaneous phase matching of two second-order processes in a single quadratic crystal: second-harmonic generation (SHG) and sum-frequency mixing (SFM). The measured conversion efficiency was 12%. As a nonlinear medium a LiNbO(3) nonlinear photonic crystal with short-range order was used that allowed simultaneous phase matchin...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2015
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.92.155410