Vertical InP/InGaAsP tapers for low-loss optical fibre-waveguide coupling

T. Brenner, W. Hunziker, M.K. Smit, M. Bachmann, G. Guekos, H. Melchior

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Abstract

The authors have realised vertically tapered and antireflection-coated waveguides in InP/InGaAsP with 1.7 dB coupling loss and relaxed alignment tolerances to lensed single-mode fibres with spot diameters of 3.8 mu m. The waveguide tapers are fabricated by a dip-etch process that is well suited for integration with optical waveguide circuits
Original languageEnglish
Pages (from-to)2040-2041
JournalElectronics Letters
Volume28
Issue number22
Publication statusPublished - 1992

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