Use of multimode interference couplers to broaden the passband of wavelength-dispersive integrated WDM filters

J. B.D. Soole, M. R. Amersfoort, H. P. LeBlanc, N. C. Andreadakis, A. Rajhel, C. Caneau, R. Bhat, M. A. Koza, C. Youtsey, I. Adesida

Research output: Contribution to journalArticlepeer-review

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 μm.

Original languageEnglish (US)
Pages (from-to)1340-1342
Number of pages3
JournalIEEE Photonics Technology Letters
Volume8
Issue number10
DOIs
StatePublished - Oct 1996
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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