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Published March 18, 1993 | public
Journal Article Open

Integrated grating demultiplexer and PIN array for high-density wavelength division multiplexed detection at 1.5 μm


An integrated wavelength demultiplexer and PIN detector array is reported for high density WDM detection at 1.5 μm. Signals spaced at 1 nm over the 1.48-1.55 μm wavelength range are separated and detected; channel passbands are 0.6-0.8 nm. Grown on a semi-insulating substrate, and providing a pseudoplanar device surface, the HD-WDM detector array is suitable for monolithic integration with high-speed multichannel receiver circuitry

Additional Information

©1993 IEE. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the IEE. We thank W. Chan, H. Song, J. Ringo and P. J. Rickmann for assistance and helpful discussions, and G.-K. Chang for the loan of equipment. K. R. Poguntke is grateful to the UK SERC for financial support.


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