Nanophotonic Polarization Diversity Demultiplexer Chip

Frederik Van Laere, Tiziana Stomeo, Cyril Cambournac, Melanie Ayre, Romain Brenot, Henri Benisty, Guenther Roelkens, Thomas Fraser Krauss, Dries Van Thourhout, Roel Baets

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

We demonstrate a very compact multifunctional photonic-crystal demultiplexer on high index contrast InP-membrane for coarse WDM applications. Polarization diversity is implemented using 2D-grating couplers. The performance of the device is evaluated using integrated p-i-n photodetectors. Polarization diversity from fiber to detector-without intermediate functional device-results in a minimal polarization dependent loss (PDL) of 0.2 dB. This value increases to 1.1 dB when including the photonic-crystal demultiplexer.

Original languageEnglish
Pages (from-to)417-425
Number of pages9
JournalJournal of Lightwave Technology
Volume27
Issue number1-4
DOIs
Publication statusPublished - 2009

Keywords

  • CWDM
  • demultiplexer
  • integrated optics
  • photonic crystal
  • p-i-n photodetectors
  • 2-DIMENSIONAL PHOTONIC-CRYSTAL
  • WIRE WAVE-GUIDES
  • GRATING COUPLERS
  • COMPACT
  • CIRCUIT
  • DEVICES
  • NANOCAVITY
  • MEMBRANE
  • FIBERS
  • LASER

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