Grating assisted vertical coupler/filter for extended tuning range

L. L. Buhl, R. C. Alferness, U. Koren, B. I. Miller, M. G. Young, T. L. Koch, C. A. Burrus, G. Raybon

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


Broadly tunable, narrowband wavelength filters that can be integrated with other photonic devices are important elements for WDM multi/demultiplexing systems. Recently, we have demonstrated a broadly tunable, narrowband wavelength selective grating assisted vertical directional coupler with a 215 Å tuning range. In the Letter, an improved version of the vertically stacked buried rib InGaAsP/InP integrable wavelength filter that has a tuning range greater than 370 Å is reported.

Original languageEnglish (US)
Pages (from-to)81-82
Number of pages2
JournalElectronics Letters
Issue number1
StatePublished - Jan 1993


  • Multiplexing
  • Optical couplers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


Dive into the research topics of 'Grating assisted vertical coupler/filter for extended tuning range'. Together they form a unique fingerprint.

Cite this