Materials, Photonic Devices, and Sensors

Doped with DR13 molecules TiO2/organically modified silane organic–inorganic hybrid materials with low propagation loss and ultrafast optical response

[+] Author Affiliations
Tianxi Gao, Wenxiu Que

Xi’an Jiaotong University, School of Electronic and Information Engineering, Electronic Materials Research Laboratory, International Center for Dielectric Research, Key Laboratory of the Ministry of Education, Xi’an 710049, Shaanxi, China

Opt. Eng. 54(8), 087103 (Aug 26, 2015). doi:10.1117/1.OE.54.8.087103
History: Received May 9, 2015; Accepted July 29, 2015
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Abstract.  Disperse red 13 (DR13) azoaromatic chromophores were incorporated into sol-gel derived TiO2/organically modified silane matrix to achieve a hybrid material with low propagation loss and ultrafast optical response. The planar waveguide and nonlinear optical properties of the as-derived hybrid films were studied by a prism coupling technique and an optical Kerr shutter technique with an 800-nm femtosecond laser, respectively. Results indicate that the response time of the bulk sample doped with 0.1% DR13 molecules is less than 208 fs, and the third-order nonlinear refractive index is estimated at about 1.141×1015cm2/W. The planar waveguide film with a low propagation loss less than 1dB/cm for both transverse electric and transverse magnetic modes at a wavelength of 1312 nm can be easily obtained by a spin-coating process. It can be concluded from the above results that the as-prepared hybrid materials under present conditions are expected to have potential in ultrafast optical applications.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Tianxi Gao and Wenxiu Que
"Doped with DR13 molecules TiO2/organically modified silane organic–inorganic hybrid materials with low propagation loss and ultrafast optical response", Opt. Eng. 54(8), 087103 (Aug 26, 2015). ; http://dx.doi.org/10.1117/1.OE.54.8.087103


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