New structure of tunable wavelength-selective filters with a liquid crystal for FDM systems

Katsuhiko Hirabayashi, Hiroyuki Tsuda, Takashi Kurokawa

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

To decrease the bandwidth of liquid-crystal Fabry-Perot inteferometers (LC-FPIs), LC-FPIs having a double-layer cavity were devised where the intracavity consists of the LC layer and a glass layer. This filter is shown to have a very narrow bandwidth (full width at half maximum < 10 GHz), low loss (4 dB), and a large tunability (9 nm). It is also shown to have the potential to select over 50 channels for FDM (frequency division multiplexing) systems.

Original languageEnglish
Pages (from-to)741-743
Number of pages3
JournalIEEE Photonics Technology Letters
Volume3
Issue number8
DOIs
Publication statusPublished - 1991 Aug
Externally publishedYes

Fingerprint

Frequency division multiplexing
Liquid Crystals
frequency division multiplexing
Liquid crystals
liquid crystals
Bandwidth
filters
Wavelength
Full width at half maximum
wavelengths
bandwidth
Glass
cavities
glass

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)
  • Atomic and Molecular Physics, and Optics

Cite this

New structure of tunable wavelength-selective filters with a liquid crystal for FDM systems. / Hirabayashi, Katsuhiko; Tsuda, Hiroyuki; Kurokawa, Takashi.

In: IEEE Photonics Technology Letters, Vol. 3, No. 8, 08.1991, p. 741-743.

Research output: Contribution to journalArticle

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