MOHAMAD JAHJA and CHRISTOPH BUBECK, J. Nonlinear Optic. Phys. Mat. 19, 269 (2010). DOI: 10.1142/S0218863510005200
NONLINEAR OPTICAL WAVEGUIDE SPECTROSCOPY OF
POLY(3-BUTYLTHIOPHENE)
MOHAMAD JAHJA
• Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128, Mainz, Germany • Department of Physics, Gorontalo State University, Jl. Jend. Sudirman no 6 Gorontalo, Indonesia CHRISTOPH BUBECK
• Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128, Mainz, Germany Received: 19 May 2010
We prepared thin films of the conjugated polymer poly(3-butylthiophene) by spin-coating and performed transmission and reflection spectroscopy to characterize the dispersion of linear refractive index and absorption coefficient at in-plane polarization. Slab waveguides of this regiorandom polythiophene derivative have mode propagation losses smaller than 1 dB/cm at wavelengths larger than 1000 nm. We determined the nonlinear refractive index and two-photon absorption of slab waveguides by means of intensity-dependent prism coupling using picosecond laser pulses in the range 700–1300 nm. These data yield the dispersion of the figures of merit, which appear promising for all-optical waveguide switching at wavelengths larger than 1200 nm.
Keywords: Polythiophene; conjugated polymer; slab waveguide; intensity-dependent prism coupling; nonlinear refractive index; two-photon absorption; figures of merit; all-optical switching
Cited by :
Sandip V. Kamat, J.B. Yadav, Vijaya Puri, R.K. Puri. (2012) Modification of the properties of polythiophene thin films by vapor chopping. Applied Surface Science 258:19, 7567-7573. Online publication date: 1-Jul-2012. [ CrossRef ]
Sandip V. Kamat, J.B. Yadav, Vijaya Puri, R.K. Puri, O.S. Joo. (2011) Characterization of poly (3-methyl thiophene) thin films prepared by modified chemical bath deposition. Applied Surface Science 258:1, 482-488. Online publication date: 1-Oct-2011. [ CrossRef ]
