Short 2 x 2 polarization splitter in InP/InGaAsP using polarization converters

L.M. Augustin, J.J.G.M. Tol, van der, E.J. Geluk, M.K. Smit

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Abstract

We present a short, 800µm, interference based, 2×2 polarization splitter. The device consists of a Mach Zehnder Interferometer with polarization converters in the arms. Birefringence in the waveguides causes a phase shift between light in the arms. This phase shift has an opposite sign for the two orthogonal polarizations. For a 2×2 splitter an additional polarization independent phaseshift of p/2 in one of the arms is necessary. This phase difference corresponds to a length of 120 nm and is obtained by tilting the input and output couplers of the MZI. First results show a splitting ratio of approximately 9 dB.
Original languageEnglish
Title of host publicationProceedings of the 12th Annual Symposium of the IEEE/LEOS Benelux Chapter, 17-18 December 2007, Brussels, Belgium
EditorsM. Delqué, Ph. Emplit, S.P. Gorza, P. Kockaert, X.J.M. Leijtens
Place of PublicationBrussels
PublisherIEEE/LEOS
Pages71-74
ISBN (Print)978-2-9600753-0-4
Publication statusPublished - 2007
Event12th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 17-18, 2007, Brussels, Belgium - Brussels, Belgium
Duration: 17 Dec 200718 Dec 2007

Conference

Conference12th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 17-18, 2007, Brussels, Belgium
CountryBelgium
CityBrussels
Period17/12/0718/12/07

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