Distributed on-fiber thin film heaters for Bragg gratings with adjustable chirp

John A. Rogers, Benjamin J. Eggleton, Janet R. Pedrazzani, Thomas A. Strasser

Research output: Contribution to journalArticle

Abstract

A different type of thermally tuned chirped Bragg grating is presented. The device consists of an unchirped intracore grating in a bare fiber that is coated with a thin film of metal whose thickness varies along the length of the grating. Electrical current passing through the film generates local resistive heating at rates that, neglecting the temperature dependence of the resistivity, are inversely proportional to the thickness of the film when this thickness is relatively small compared to the diameter of the fiber.

Original languageEnglish (US)
Pages (from-to)3131-3133
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number21
DOIs
StatePublished - May 24 1999

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Rogers, J. A., Eggleton, B. J., Pedrazzani, J. R., & Strasser, T. A. (1999). Distributed on-fiber thin film heaters for Bragg gratings with adjustable chirp. Applied Physics Letters, 74(21), 3131-3133. https://doi.org/10.1063/1.124085