16 December 1993 A digital thermo-optic 2x2 switch based on nonlinear optic polymer
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A digital thermo-optic (t.o) 2X2 switch based on nonlinear optic (nlo) polymer is presented. The switch exploits a favorable combination of several attractive properties of nlo- polymers: a strong sensitivity for photochemical bleaching, a poor heat conduction and a large t.o.-effect. The bleaching is used to fabricate optical channel waveguides. Mode-sorting waveguides are used to obtain a digital switching behavior. Switching is performed by utilizing the t.o.-effect. For polymers this effect is an order of magnitude larger than for other materials used in integrated optics. The poor heat conduction of polymers results in switching with a low power dissipation.
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Frank M.M. Suyten, Mart B. J. Diemeer, Berend Hendriksen, "A digital thermo-optic 2x2 switch based on nonlinear optic polymer", Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); doi: 10.1117/12.165287; https://doi.org/10.1117/12.165287

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