• DocumentCode
    1446377
  • Title

    Room-temperature operation of widely tunable loss filter

  • Author

    Shu, Xuewen ; Allsop, T. ; Gwandu, B. ; Zhang, Lin ; Bennion, I.

  • Volume
    37
  • Issue
    4
  • fYear
    2001
  • fDate
    2/15/2001 12:00:00 AM
  • Firstpage
    216
  • Lastpage
    218
  • Abstract
    A widely tunable and room-temperature operational loss filter based on a long-period fibre grating (LPFG) fabricated in a B/Ge codoped fibre is reported. The filter exhibits extremely high temperature sensitivity. A maximum spectral shift of -48.1 nm from 10 to 40°C is achieved, corresponding to a thermal tuning efficiency of 1.6 nm/°C. This value is increased by more than one order of magnitude compared with the LPFGs fabricated in standard telecom fibre and even twice that of a LPFG with sensitivity enhanced by a special polymer
  • Keywords
    boron compounds; diffraction gratings; germanium compounds; optical fibre filters; optical fibre losses; silicon compounds; 10 to 40 degC; SiO2:GeO2,B2O3; codoped fibre; long-period fibre grating; maximum spectral shift; room-temperature operation; sensitivity; temperature sensitivity; thermal tuning efficiency; widely tunable loss filter;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20010166
  • Filename
    907528