Published in
Optical Fiber Sensors
Optica, Optics Letters, 3(32), p. 214
DOI: 10.1364/ol.32.000214
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Electrically tunable Bragg gratings in single-mode polymer optical fiber
Journal article published in 2006 by
Kyriacos Kalli 
,
Helen L. Dobb,
David J. Webb,
K. Carroll,
Michael Komodromos,
Christos Themistos,
Gang-Ding Electrical Engineering & Telecommunications Faculty of Engineering UNSW Peng ,
Qi Fang,
Ian W. Boyd
,
Helen L. Dobb,
David J. Webb,
K. Carroll,
Michael Komodromos,
Christos Themistos,
Gang-Ding Electrical Engineering & Telecommunications Faculty of Engineering UNSW Peng ,
Qi Fang,
Ian W. Boyd
Abstract
We present what is to our knowledge the first demonstration of a tunable fiber Bragg grating device in polymer optical fiber that utilizes a thin-film resistive heater deposited on the surface of the fiber. The polymer fiber was coated via photochemical deposition of a Pd/Cu metallic layer with a procedure induced by vacuum–ultraviolet radiation at room temperature. The resulting device, when wavelength tuned via joule heating, underwent a wavelength shift of 2 nm for a moderate input power of 160 mW , a wavelength to input power coefficient of −13.4 pm/mW , and a time constant of 1.7 s−1