Spectral broadening measurements in poly(phenylene vinylene) polymer channel waveguides
In a polyconjugated main chain polymer strip waveguide the nonlinear, nonresonant refractive index n2 was measured by monitoring the signal spectrum broadening due to self-phase modulation. The two photon absorption coefficient α2 was obtained by calibrating the inverse transmission measurement. The...
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| Veröffentlicht in: | Applied physics letters 1997-02, Vol.70 (8), p.928-930 |
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| container_title | Applied physics letters |
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| creator | Gabler, Th Waldhäusl, R. Bräuer, A. Michelotti, F. Hörhold, H.-H. Bartuch, U. |
| description | In a polyconjugated main chain polymer strip waveguide the nonlinear, nonresonant refractive index n2 was measured by monitoring the signal spectrum broadening due to self-phase modulation. The two photon absorption coefficient α2 was obtained by calibrating the inverse transmission measurement. The nonlinear coefficients were determined to be n2=0.85×10−14 cm−2/W andα2=0.08 cm/GW at a wavelength λ=885.6 nm. The used polymer was poly[1,4-phenylene1,2-di(phenoxyphenyl)vinylene]. The result is in good agreement with interferometer measurements. The material is suitable for all-optical switching. |
| doi_str_mv | 10.1063/1.118462 |
| format | Article |
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| ispartof | Applied physics letters, 1997-02, Vol.70 (8), p.928-930 |
| issn | 0003-6951 1077-3118 |
| language | eng |
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| source | AIP Digital Archive |
| title | Spectral broadening measurements in poly(phenylene vinylene) polymer channel waveguides |
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