Evaluation of polymer based third order nonlinear integrated optics devices

A. Driessen, H.J.W.M. Hoekstra, F.C. Blom, F. Horst, G.J.M. Krijnen, J.B.P. van Schoot, P.V. Lambeck, Th.J.A. Popma, M.B. Diemeer

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    Nonlinear polymers are promising materials for high speed active integrated optics devices. In this paper we evaluate the perspectives polymer based nonlinear optical devices can offer. Special attention is directed to the materials aspects. In our experimental work we applied mainly Akzo Nobel DANS side-chain polymer that exhibits large second and third order coefficients. This material has been characterized by third harmonic generation, z-scan and pump-probe measurements. In addition, various waveguiding structures have been used to measure the nonlinear absorption (two photon absorption) on a ps time-scale. Finally an integrated optics Mach-Zehnder interferometer has been realized and evaluated. It is shown that the DANS side-chain polymer has many of the desired properties: the material is easily processable in high-quality optical waveguiding structures, has low linear absorption and its nonlinearity has a pure electronic origin. More materials research has to be done to arrive at materials with higher nonlinear coefficients to allow switching at moderate light intensity (< 1 W peak power) and also with lower nonlinear absorption coefficients.
    Original languageEnglish
    Pages (from-to)329-333
    Number of pages5
    JournalOptical materials
    Issue number1-4
    Publication statusPublished - Jan 1998
    EventE-MRS Spring Meeting 1997: Materials, Physics and Devices For Molecular Electronics and Photonics - Strasbourg, France
    Duration: 16 Jun 199719 Jun 1997


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