Birefringence of hybrid PCF and its sensitivity to strain and temperature

M Pang, L M Xiao, W Jin, S Arismar Cerqueira Jr

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The modal and group birefringence of a hybrid photonic crystal fiber (hybrid PCF) and the sensitivities of modal birefringence of hybrid PCF to strain and temperature are investigated. The hybrid PCF composes of air-holes and Ge-doped silica rods surrounding a silica core region and light is confined to the core by hybrid index-guiding and photonic bandgap effects. A theoretical model was established and used to calculate these birefringence properties as functions of Ge concentration and diameter of the Ge-doped region. In experiments, the birefringence properties of a hybrid PCF made by University of Bath were measured by using a Sagnac interferometer. The experimental results show that the sensitivities of fringe minimum of this Sagnac interferometer to strain and temperature, at the wavelength of 1550 nm, were 2.01 nm/mε and -0.334 nm/°C, respectively, which agree well with the theoretical predictions. The model may be used to design hybrid PCFs with desired birefringence properties. © 2012 IEEE.
Original languageEnglish
Pages (from-to)1422-1432
Number of pages11
JournalJournal of Lightwave Technology
Volume30
Issue number10
DOIs
Publication statusPublished - 2012

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birefringence
photonics
fibers
sensitivity
crystals
interferometers
temperature
silicon dioxide
baths
rods
air
predictions
wavelengths

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Birefringence of hybrid PCF and its sensitivity to strain and temperature. / Pang, M; Xiao, L M; Jin, W; Arismar Cerqueira Jr, S.

In: Journal of Lightwave Technology, Vol. 30, No. 10, 2012, p. 1422-1432.

Research output: Contribution to journalArticle

Pang, M, Xiao, LM, Jin, W & Arismar Cerqueira Jr, S 2012, 'Birefringence of hybrid PCF and its sensitivity to strain and temperature', Journal of Lightwave Technology, vol. 30, no. 10, pp. 1422-1432. https://doi.org/10.1109/jlt.2012.2187429
Pang, M ; Xiao, L M ; Jin, W ; Arismar Cerqueira Jr, S. / Birefringence of hybrid PCF and its sensitivity to strain and temperature. In: Journal of Lightwave Technology. 2012 ; Vol. 30, No. 10. pp. 1422-1432.
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