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Open Access item Third order nonlinear susceptibility of InN at near band-gap wavelengths

Authors:Naranjo, F. B.
González Herráez, Miguel
Fernandez, H.
Solís Céspedes, Javier
Monroy, E.
Issue Date:2007
Publisher:American Institute of Physics
Citation:Applied Physics Letters 90: 091903 (2007)
Abstract:The authors report room-temperature measurements of the third order nonlinear susceptibility modulus ∫ (3) ∫ of thick (∼600 nm) InN layers. Transmission measurements provide a room-temperature value for the optical band gap of the samples slightly above 1500 nm. Third order nonlinear optical susceptibility has been measured using degenerate four wave mixing experiments at wavelengths near and above band gap. ∫ (3) ∫ values of (4.2-10) × 10-10 esu were measured at this wavelength range. The associated relaxation time of the generated population grating at 1500 nm was measured. The obtained value of 4.8 ps is consistent with a nonradiative recombination mechanism. © 2007 American Institute of Physics.
URI:http://hdl.handle.net/10261/61607
Identifiers:doi: 10.1063/1.2709891
issn: 0003-6951
Appears in Collections:(CFMAC-IO) Artículos

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