Spatially distributed delay line interferometer based on transmission Bragg scattering

Miguel A. Preciado, Atalla El-taher, Kate Sugden, Xuewen Shu

Research output: Contribution to journalArticle

Abstract

A novel approach for a delay line interferometer (DLI) based on transmission Bragg scattering is proposed. We have numerically and experimentally demonstrated for the first time, to the best of our knowledge, that a Bragg grating (BG) can deliver the functionality of a DLI in its transmission mode along a single common interfering optical path, instead of the conventional DLI implementation with two interfering optical paths. As a proof of concept, phase-modulated fiber BGs have been designed and fabricated, showing the desired functionality in the transmission mode of the BG. The proposed approach is applicable to any kind of BG technology, such as volume BGs, dielectric mirrors, silicon photonics, and other optical waveguide-based Bragg structures.
Original languageEnglish
Pages (from-to)4319-4322
Number of pages4
JournalOptics Letters
Volume44
Issue number17
Early online date29 Jul 2019
DOIs
Publication statusPublished - 26 Aug 2019

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delay lines
Bragg gratings
interferometers
optical paths
scattering
optical waveguides
photonics
mirrors
fibers
silicon

Bibliographical note

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: https://www.osapublishing.org/abstract.cfm?URI=ol-44-17-4319 . Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.


Funding: European Commission (FP7-PEOPLE-2010-IEF-275703-IFOCS); National Natural Science Foundation of China (NSFC) (61775074).

Cite this

Preciado, Miguel A. ; El-taher, Atalla ; Sugden, Kate ; Shu, Xuewen. / Spatially distributed delay line interferometer based on transmission Bragg scattering. In: Optics Letters. 2019 ; Vol. 44, No. 17. pp. 4319-4322.
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Spatially distributed delay line interferometer based on transmission Bragg scattering. / Preciado, Miguel A.; El-taher, Atalla; Sugden, Kate; Shu, Xuewen.

In: Optics Letters, Vol. 44, No. 17, 26.08.2019, p. 4319-4322.

Research output: Contribution to journalArticle

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