Noise filtering in a multi-channel system using a tunable liquid crystal photonic bandgap fiber

Martin Nordal Petersen, Lara Scolari, Torger Tokle, Thomas Tanggaard Alkeskjold, S. Gauza, Shin-Ton Wu, Anders Overgaard Bjarklev

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This paper reports on the first application of a liquid crystal infiltrated photonic bandgap fiber used as a tunable filter in an optical transmission system. The device allows low-cost amplified spontaneous emission (ASE) noise filtering and gain equalization with low insertion loss and broad tunability. System experiments show that the use of this filter increases for times the distance over which the optical signal-to-noise ratio (OSNR) is sufficient for error-free transmission with respect to the case in which no filtering is used.
Original languageEnglish
JournalOptics Express
Volume16
Issue number24
Pages (from-to)20067-20072
ISSN1094-4087
DOIs
Publication statusPublished - 2008

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