Optical properties of a nonlinear p-phenylenevinylene oligomer side chain polymer in films and fiber preforms

Anna Samoc; Barry Luther-Davies; Marek Samoc; Man Shing Wong; R. Maryla Krolikowska; Therese M. Martin; Craig J. MacLeod; Anke C. Freydank; Gang-Ding Peng; Trevor Whitbread

doi:10.1117/12.452120

18 December 2002 Optical properties of a nonlinear p-phenylenevinylene oligomer side chain polymer in films and fiber preforms

Anna Samoc, Barry Luther-Davies, Marek Samoc, Man Shing Wong, R. Maryla Krolikowska, Therese M. Martin, Craig J. MacLeod, Anke C. Freydank, Gang-Ding Peng, Trevor Whitbread

Author Affiliations +

Proceedings Volume 4798, Linear and Nonlinear Optics of Organic Materials II; (2002) https://doi.org/10.1117/12.452120
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Linear and nonlinear optical properties of a new soluble polymer bearing distyrylbenzene chromophore, the alkoxy-sulphono-substituted p-phenylenevinylene oligomer (MTPV-ORSO) attached as a side-chain to the methyl methacrylate backbone are reported. This chromophore was developed for introduction into single-mode nonlinear optical polymer fibres. The molecular second-order and third-order nonlinearities were estimated with quantum chemical calculations (MOPAC). The side-chain polymer shows an optical absorption maximum at 326 nm. The polymer was incorporated into the core of the fibre preform with a procedure which led to a step index profile, as measured with a preform profiler, suitable for a single-mode optical fibre. Second harmonic of the fundamental 1200 nm wave was measured in the corona poled polymer films giving the second-order susceptibility d₃₃ = 0.8 pm/V for the polymer containing about 1.3 wt% of the side-chain chromophore and 0.1 pm/V in a guest-host system containing 0.24 wt% of the chromophore in the fibre preform. The coherence length of the side-chain polymer, equal to 28 μm at 1200 nm, was evaluated from the dispersion of the linear refractive indices. Degenerate four-wave mixing (DFWM) with amplified femtosecond pulses was also applied to measure the nonlinear refractive index of the co-polymer at 800 nm.

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Anna Samoc, Barry Luther-Davies, Marek Samoc, Man Shing Wong, R. Maryla Krolikowska, Therese M. Martin, Craig J. MacLeod, Anke C. Freydank, Gang-Ding Peng, and Trevor Whitbread "Optical properties of a nonlinear p-phenylenevinylene oligomer side chain polymer in films and fiber preforms", Proc. SPIE 4798, Linear and Nonlinear Optics of Organic Materials II, (18 December 2002); https://doi.org/10.1117/12.452120

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