Characterisation of differential group delay of fibre devices with high resolution and enhanced immunity to environmental perturbation

Y C Lai; W Zhang; J A R Williams; K Sugden; I Bennion

doi:10.1049/el:20030030

Characterisation of differential group delay of fibre devices with high resolution and enhanced immunity to environmental perturbation

Y C Lai, W Zhang, J A R Williams, K Sugden, I Bennion

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

Differential group delay (DGD) measurement of narrowband fibre devices was demonstrated using a polarisation scrambler and modulation phase shift technique to enhance measurement immunity to environmental perturbation and repeatability. The effects of environmental perturbations at discrete instances translated to spurious polarisation shifts along the fibre path, giving rise to spikes in the measured DGD. The technique showed good measurement accuracy and wavelength resolution, and was not restricted to linearity and time-invariance issues.

Original language	English
Pages (from-to)	26-28
Number of pages	3
Journal	Electronics letters
Volume	39
Issue number	1
DOIs	https://doi.org/10.1049/el:20030030
Publication status	Published - 9 Jan 2003

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abstract = "Differential group delay (DGD) measurement of narrowband fibre devices was demonstrated using a polarisation scrambler and modulation phase shift technique to enhance measurement immunity to environmental perturbation and repeatability. The effects of environmental perturbations at discrete instances translated to spurious polarisation shifts along the fibre path, giving rise to spikes in the measured DGD. The technique showed good measurement accuracy and wavelength resolution, and was not restricted to linearity and time-invariance issues.",

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AU - Williams, J A R

AU - Sugden, K

AU - Bennion, I

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N2 - Differential group delay (DGD) measurement of narrowband fibre devices was demonstrated using a polarisation scrambler and modulation phase shift technique to enhance measurement immunity to environmental perturbation and repeatability. The effects of environmental perturbations at discrete instances translated to spurious polarisation shifts along the fibre path, giving rise to spikes in the measured DGD. The technique showed good measurement accuracy and wavelength resolution, and was not restricted to linearity and time-invariance issues.

AB - Differential group delay (DGD) measurement of narrowband fibre devices was demonstrated using a polarisation scrambler and modulation phase shift technique to enhance measurement immunity to environmental perturbation and repeatability. The effects of environmental perturbations at discrete instances translated to spurious polarisation shifts along the fibre path, giving rise to spikes in the measured DGD. The technique showed good measurement accuracy and wavelength resolution, and was not restricted to linearity and time-invariance issues.

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Characterisation of differential group delay of fibre devices with high resolution and enhanced immunity to environmental perturbation

Abstract

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