Tunable dispersion compensator based on distributed Gires-Tournois etalons

Xuewen Shu*, Kate Sugden, Philip Rhead, John Mitchell, Ian Felmeri, Glynn Lloyd, Kevin Byron, Zhijian Huang, Igor Khrushchev, Ian Bennion

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We report a novel tunable dispersion compensator (TDC) based on all-fiber distributed Gires-Tournois etaIons (DGTE), which is formed by overlapped chirped fiber gratings. Two DGTEs of opposite dispersion slope work together to generate a tunable periodical dispersion profile. The demonstrated TDCs have the advantages of multichannel operation, extremely low group-delay ripple, low loss, and low cost.

Original languageEnglish
Pages (from-to)1111-1113
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number8
Early online date28 Jul 2003
Publication statusPublished - Aug 2003


  • Bragg grating
  • dispersion
  • dispersion compensation
  • etalons
  • tunable dispersion compensator (TDC)


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