Large, nonresonant, intensity dependent refractive index of 4-dialkylamino-4'-nitro-diphenyl-polyene side chain polymers in waveguides

Large, nonresonant, intensity dependent refractive index of 4-dialkylamino-4'-nitro-diphenyl-polyene side chain polymers in waveguides

We report the experimental evaluation of the intensity-dependent index of refraction of a new class of third order nonlinear materials, side chain polymers containing 4-dialkylamino-4′-nitro-stilbene and 4-dialkylamino-4′-nitro-diphenylbutadiene as side groups. The measurements, based on nonlinear g...

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Veröffentlicht in:Applied physics letters 1991-06, Vol.58 (23), p.2613-2615
Hauptverfasser: MARQUES, M. B, ASSANTO, G, STEGEMAN, G. I, MOHLMANN, G. R, ERDHUISEN, E. W. P, HORSTHUIS, W. H. G
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Optical and optoelectronic circuits
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Zusammenfassung:We report the experimental evaluation of the intensity-dependent index of refraction of a new class of third order nonlinear materials, side chain polymers containing 4-dialkylamino-4′-nitro-stilbene and 4-dialkylamino-4′-nitro-diphenylbutadiene as side groups. The measurements, based on nonlinear grating coupling into planar waveguides with 30 ps pulses at 1.064 μm, showed large electronic nonresonant n2 Kerr coefficients.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.104810