**Specialty Photonic Crystal Fibres and Their Applications**

Editors

**David Novoa Nicolas Y. Joly**

MDPI • Basel • Beijing • Wuhan • Barcelona • Belgrade • Manchester • Tokyo • Cluj • Tianjin

*Editors* David Novoa Department of Communications Engineering, School of Engineering, University of the Basque Country (UPV/EHU) IKERBASQUE, Basque Foundation for Science Bilbao Spain Nicolas Y. Joly Max-Planck Institute for the Science of Light and Department of Physics Friedrich-Alexander University Erlangen Germany

*Editorial Office* MDPI St. Alban-Anlage 66 4052 Basel, Switzerland

This is a reprint of articles from the Special Issue published online in the open access journal *Crystals* (ISSN 2073-4352) (available at: www.mdpi.com/journal/crystals/special issues/Photonic Crystal Fibres).

For citation purposes, cite each article independently as indicated on the article page online and as indicated below:

LastName, A.A.; LastName, B.B.; LastName, C.C. Article Title. *Journal Name* **Year**, *Volume Number*, Page Range.

**ISBN 978-3-0365-1614-1 (Hbk) ISBN 978-3-0365-1613-4 (PDF)**

© 2021 by the authors. Articles in this book are Open Access and distributed under the Creative Commons Attribution (CC BY) license, which allows users to download, copy and build upon published articles, as long as the author and publisher are properly credited, which ensures maximum dissemination and a wider impact of our publications.

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