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Special Issue Editor

Dr. Md Selim Habib

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Guest Editor

CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816-2700, USA
Interests: low loss hollow-core fiber; gas-laser nonlinear interaction; supercontinuum generation; mid-IR fiber laser; multi-mode nonlinear optics

Special Issue Information

Dear Colleagues,

Microstructured optical fibers (MOFs) or photonic crystal fibers are a special type of optical fibers that have a microscopic array of air channels running down their length. These fibers are of great scientific and technical interest owing to their extraordinary optical properties. Dispersion and loss can be controlled and optimized by engineering the holy cladding, which is not possible in conventional optical fibers. MOFs can be divided into two categories based on their guiding mechanism, high index guiding fibers (light guides in solid core), and low index guiding fibers (light guides in air). The past two decades have witnessed a number of impressive advancements in the field of MOFs. MOFs offer several potential and promising applications including supercontinuum generation, sensing, higher power fiber lasers, laser surgery, gas-based nonlinear applications, THz applications, and so on.

The purpose of this Special Issue is to bring together the recent advances in the design, fabrication, and characterization of MOFs and their applications. I hope that this Special Issue will provide a detailed overview of the current state-of-the-art research on MOFs. It is my pleasure to invite you to submit original material, as well as a review article, in this Special Issue.

Dr. Md Selim Habib
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fibers is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

microstructure optical fiber
photonic crystal fiber
hollow core fiber
multi-core fiber
mid-IR fiber laser
nonlinear fiber optics
gas-filled fiber
optics fiber sensor
optical fiber communication
THz optical fiber
few-mode fiber

Published Papers (2 papers)

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Research

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11 pages, 1282 KiB

Open AccessEditor’s ChoiceArticle

Terahertz Hollow Core Antiresonant Fiber with Metamaterial Cladding

by Jakeya Sultana, Md. Saiful Islam, Cristiano M. B. Cordeiro, Alex Dinovitser, Mayank Kaushik, Brian W.-H. Ng and Derek Abbott

Fibers 2020, 8(2), 14; https://0-doi-org.brum.beds.ac.uk/10.3390/fib8020014 - 17 Feb 2020

Cited by 21 | Viewed by 6411

Abstract

A hollow core antiresonant photonic crystal fiber (HC-ARPCF) with metal inclusions is numerically analyzed for transmission of terahertz (THz) waves. The propagation of fundamental and higher order modes are investigated and the results are compared with conventional dielectric antiresonant (AR) fiber designs. Simulation results show that broadband terahertz radiation can be guided with six times lower loss in such hollow core fibers with metallic inclusions, compared to tube lattice fiber, covering a single mode bandwidth (BW) of 700 GHz. Full article

(This article belongs to the Special Issue Microstructured Optical Fibers and Applications)

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Other

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12 pages, 3334 KiB

Open AccessLetter

A Dual Hollow Core Antiresonant Optical Fiber Coupler Based on a Highly Birefringent Structure-Numerical Design and Analysis

by Hanna Izabela Stawska and Maciej Andrzej Popenda

Fibers 2019, 7(12), 109; https://0-doi-org.brum.beds.ac.uk/10.3390/fib7120109 - 07 Dec 2019

Cited by 12 | Viewed by 5000

Abstract

With the growing interest in hollow-core antiresonant fibers (HC-ARF), attributed to the development of their fabrication technology, the appearance of more sophisticated structures is understandable. One of the recently advancing concepts is that of dual hollow-core antiresonant fibers, which have the potential to be used as optical fiber couplers. In the following paper, a design of a dual hollow-core antiresonant fiber (DHC-ARF) acting as a polarization fiber coupler is presented. The structure is based on a highly birefringent hollow-core fiber design, which is proven to be a promising solution for the purpose of propagation of polarized signals. The design of an optimized DHC-ARF with asymmetrical cores is proposed, together with analysis of its essential coupling parameters, such as the extinction ratio, coupling length ratio, and coupling strength. The latter two for the x- and y-polarized signals were ~2 and 1, respectively, while the optical losses were below 0.3 dB/cm in the 1500–1700 nm transmission band. Full article

(This article belongs to the Special Issue Microstructured Optical Fibers and Applications)

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