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Light-induced index change in a waveguide of a novel organic quinoid dye and its applications to all-optical devices with localized nonlinearity

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2 Author(s)
H. Murata ; Dept. of Phys. Sci., Osaka Univ., Japan ; M. Izutsu

We have studied optical nonlinearities in a waveguide fabricated from a thin film of a novel quinoid dye and conventional glass materials, and reported a light-induced phase shift of over 2Π with a response time below 10 ps in the waveguide. However, there was a large insertion loss over 20dB in the waveguide of 25mm length, which may become a problem for applications to all-optical functional devices. Here, we report an improvement of the propagation characteristics and further measurements of the nonlinearity in the quinoid dye waveguide. Applications to all-optical devices are also discussed

Published in:

Nonlinear Optics '98: Materials, Fundamentals and Applications Topical Meeting

Date of Conference:

10-14 Aug 1998