Spatially distributed delay line interferometer based on transmission Bragg scattering

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.

Publication DOI: https://doi.org/10.1364/OL.44.004319
Divisions: College of Engineering & Physical Sciences
College of Engineering & Physical Sciences > School of Engineering and Technology > Mechanical, Biomedical & Design
College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
College of Engineering & Physical Sciences > School of Informatics and Digital Engineering > Electrical and Electronic Engineering
Additional Information: 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).
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Publication ISSN: 1539-4794
Full Text Link:
Related URLs: https://www.osa ... I=ol-44-17-4319 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2019-08-26
Published Online Date: 2019-07-29
Accepted Date: 2019-07-25
Authors: Preciado, Miguel A.
El-taher, Atalla
Sugden, Kate (ORCID Profile 0000-0001-6323-1082)
Shu, Xuewen

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