Crosstalk reduction in dilated MZI-based switches on InP by stray light removal

D.H.P. Maat, Y.C. Zhu, F.H. Groen, J. Stulemeijer, H.J. Frankena

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Abstract

Dilated space switches on InP have a crosstalk level of about -28 dB, which is too low for application in large WDM networks. In this contribution the influence of stray light in the wafer on the crosstalk level of the dilated swicht is investigated. By placing titanium absorbers at both sides of the waveguiding structure of the switch, the stray light is removed from teh wafer, resulting in a crosstalk reduction of 3 dB in ths type of switch. In switches with lover crosstalk levels the reduction is even larger (6 dB)
Original languageEnglish
Title of host publicationProceedings of the 5th annual symposium of the IEEE/LEOS Benelux Chapter : October 30, 2000, Delft , the Netherlands
EditorsX.J.M. Leijtens, J.H. Besten, den
Place of PublicationDelft
PublisherDelft University of Technology
Pages191-194
ISBN (Print)90-9014260-6
Publication statusPublished - 2000
Event5th Annual Symposium of the IEEE/LEOS Benelux Chapter - Delft, Netherlands
Duration: 30 Oct 200030 Oct 2000

Conference

Conference5th Annual Symposium of the IEEE/LEOS Benelux Chapter
CountryNetherlands
CityDelft
Period30/10/0030/10/00
OtherIEEE/LEOS symposium

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