Use of multimode interference couplers to broaden the passband of wavelength-dispersive integrated WDM filters
- 1 October 1996
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 8 (10) , 1340-1342
- https://doi.org/10.1109/68.536648
Abstract
We describe how multimode interference couplers (MMI) may be used to broaden and flatten the passband of integrated wavelength-dispersive filters. We discuss the approach and demonstrate its effectiveness with a passband-broadened InP arrayed waveguide filter operating at 1.5 /spl mu/m.Keywords
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