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Authors: J. Brouckaert, G. Roelkens, S. Selvaraja, W. Bogaerts, P. Dumon, S. Verstuyft, D. Van Thourhout, R. Baets
Title: Silicon-on-Insulator CWDM Power Monitor/Receiver with Integrated Thin Film InGaAs Photodetectors
Format: International Journal
Publication date: 10/2009
Journal/Conference/Book: IEEE Photonics Technology Letters
Editor/Publisher: IEEE, 
Volume(Issue): 21(19) p.1423
Internal Reference: [N-898]
Download: Download this Publication (350KB) (350KB)

Abstract

We demonstrate a compact and cost-effective 4-channel demultiplexer with integrated photodetectors for application in coarse wavelength division multiplexing (CWDM) systems. The device consists of a silicon-on-insulator planar concave grating (PCG) demultiplexer and heterogeneously integrated InAlAs/InGaAs metal-semiconductor-metal photodetectors and has a footprint of only 0.1mm2. The PCG and integrated photodetectors have a responsivity of 0.6A/W for TE-polarized light. The integrated device has an optical crosstalk of -25dB

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