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Investigation of second order optical nonlinearity at the surface of GaP nanowaveguides
KTH, School of Engineering Sciences (SCI), Applied Physics, Quantum Electronics and Quantum Optics, QEO.ORCID iD: 0000-0003-2136-4914
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Semiconductor Materials, HMA.ORCID iD: 0000-0002-2069-2820
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Semiconductor Materials, HMA.
2013 (English)In: 2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, IEEE Computer Society, 2013, 6800994- p.Conference paper, Published paper (Refereed)
Abstract [en]

Nonlinear optical properties of semiconductor nanowaveguides/nanowires are determined by both their crystal symmetry and geometry. For diameters comparable to the wavelength, high contrast of refractive index between the nanostructure and surrounding air leads to strong optical anisotropy [1]. It has been shown that for nanowaveguides with certain diameters (depending on the wavelength), the effect of electric field with polarization normal to the surface becomes significant [2]. The induced surface effect can consequently be utilized for second harmonic generation (SHG) in nanowaveguide. Nonlinear optical susceptibility at the surface results from the material discontinuity and electric quadrupole contribution [3], whereas the bulk nonlinearity is defined by the crystal symmetry.

Place, publisher, year, edition, pages
IEEE Computer Society, 2013. 6800994- p.
Keyword [en]
Crystal symmetry, Electric fields, Electron optics, Nonlinear optics, Quantum electronics, Refractive index, Semiconductor lasers, Electric quadrupole contributions, High contrast, Material discontinuity, Nanowaveguides, Non-linear optical properties, Nonlinear optical susceptibilities, Second order optical nonlinearity, Surface effect, Surfaces
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-147267DOI: 10.1109/CLEOE-IQEC.2013.6800994ISI: 000355316300403Scopus ID: 2-s2.0-84900344192ISBN: 978-1-4799-0593-5 (print)OAI: oai:DiVA.org:kth-147267DiVA: diva2:729574
Conference
2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013; Munich; Germany; 12 May 2013 through 16 May 2013
Note

QC 20140626

Available from: 2014-06-26 Created: 2014-06-25 Last updated: 2015-12-09Bibliographically approved

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Swillo, MarcinSanatinia, Reza

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