Abstract
Abstract In contrast to conventional polymer optical fibers (POF) microstructured POF (mPOF) provide an additional opportunity to control the optical properties of the propagating signals. A particular arrangement of the air holes allows to reduce the number of waveguide modes and thus overcome the bandwidth limitation which is inherent for step-index POF. In this paper we report on the implementation of a 50 m data transmission link based on mPOF with a single ring of holes and a core diameter of 180 μm. A bit rate of 7 Gb/s was achieved at a bit-error ratio (BER) of 10 −3 employing on-off keying modulation technique and an offline-processed symbol-spaced decision feedback equalizer. Discrete multitone modulation provided a bit rate of 8.07 Gb/s at BER of 10 −3 .
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