Rectangular mode transformers in tapered single-mode fibres

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Abstract

A single-mode fibre, polished on both sides and subsequently tapered, yields a low-loss circular-to-rectangular mode transformer. This device should permit more efficient interconnection of circular fibres to rectangular integrated-optic and semiconductor waveguides.

References

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      • Shigihara, K., Shiraishi, K., Kawakami, S.: `Modal field transformer between dissimilar waveguides', European Conference on Optical Communication, 1986, Barcelona, p. 185–188
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