4-channel wavelength flattened demultiplexer integrated with photodetectors

C.A.M. Steenbergen, C. Dam, van, T.L.M. Scholtes, A.H. Vreede, De, L. Shi, J.J.G.M. Tol, van der, P. Demeester, M.K. Smit

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Abstract

We report the first 4-channel wavelength demultiplexer with flattened response, monolithically integrated with photodetectors. The demultiplexer is realized in InP-InGaAsP and operates around a centre wavelength of 1533 nm with a wavelength spacing of 2.0 nm. The response is flat within 1 dB for a 1.2 nm band centered around the transmission wavelength. Crosstalk remains below -20 dB. On-chip losses are estimated at -6.0 dB. Photodetector capacitances and dark currents at -5 V bias are 0.5 pF and better than 8 nA respectively
Original languageEnglish
Title of host publication7th European Conference on Integrated Optics with Technical Exhibition : ECIO '95 : Regular and Invited Papers
EditorsL. Shi, L.H. Spiekman, X.J.M. Leijtens
Place of PublicationDelft, Netherlands
PublisherDelft University Press
Pages271-274
ISBN (Print)90-407-1111-9
Publication statusPublished - 1995

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