Monolithical integration of semiconductor optical amplifiers and passive modefilters for low facet reflectivity

R.G. Broeke, J.J.M. Binsma, M. Geemert, van, T. Vries, de, Y.S. Oei, X.J.M. Leijtens, M.K. Smit

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Abstract

Low facet reflectivity in SOAs is essential for suppressing gain ripple. Low residual reflectivity can be realized by tilting the output waveguide with respect to the facet and by applying wide waveguides. Since wide waveguides result in higher-order mode reflections with significant reflection coefficients, these higher-order modes must be filtered out. We present numerical and experimental results on ridge waveguide SOAs which have been monolithically integrated with passive ridge waveguides with mode filters. As a result, we obtained a residual reflectivity lower than -30 dB without anti-reflection coating.
Original languageEnglish
Title of host publicationProceedings of the 6th annual symposium of the IEEE/LEOS Benelux Chapter, 2 December 2001, Brussels, Belgium
EditorsF. Berghmans, H. Thienpont, J. Danckaert, L. Desmet
Place of PublicationBrussels, Belgium
PublisherIEEE/LEOS
Pages57-61
ISBN (Print)90-5487247-0
Publication statusPublished - 2001
Event6th Annual Symposium of the IEEE/LEOS Benelux Chapter - Brussels, Belgium
Duration: 3 Dec 20013 Dec 2001
Conference number: 6

Conference

Conference6th Annual Symposium of the IEEE/LEOS Benelux Chapter
CountryBelgium
CityBrussels
Period3/12/013/12/01

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    Broeke, R. G., Binsma, J. J. M., Geemert, van, M., Vries, de, T., Oei, Y. S., Leijtens, X. J. M., & Smit, M. K. (2001). Monolithical integration of semiconductor optical amplifiers and passive modefilters for low facet reflectivity. In F. Berghmans, H. Thienpont, J. Danckaert, & L. Desmet (Eds.), Proceedings of the 6th annual symposium of the IEEE/LEOS Benelux Chapter, 2 December 2001, Brussels, Belgium (pp. 57-61). IEEE/LEOS.