First InP-based reconfigurable integrated add-drop multiplexer

C.G.M. Vreeburg, T. Uitterdijk, Y.S. Oei, M.K. Smit, F.H. Groen, E.G. Metaal, P. Demeester, H.J. Frankena

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A four-channel reconfigurable integrated add-drop multiplexer on InP-substrate is reported. The device consists of a 5*5 PHASAR demultiplexer integrated with Mach-Zehnder interferometer electrooptical switches. Total device size is 3*6 mm/sup 2/. All routing configurations of four wavelengths have been demonstrated. Crosstalk values are better than -20 dB. On-chip loss for the dropped or added signals and for the signals coupled from the input to the output port are lower than 7 and 11 dB, respectively
Original languageEnglish
Pages (from-to)188-190
JournalIEEE Photonics Technology Letters
Issue number2
Publication statusPublished - 1997


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