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Special Issue "Photonic Materials and Devices"

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optics and Photonics".

Deadline for manuscript submissions: 31 January 2020

Special Issue Editor

Guest Editor
Dr. Maciej Dems

Lodz University of Technology, Lodz, Poland
Website | E-Mail
Interests: semiconductor lasers; VCSELs; subwavelength structures; gratings; photonic crystals; numerical simulations; modal methods

Special Issue Information

Dear Colleagues,

Photonics has become one of the fundamentals of science and technology in the 21st century. Optical communication, gas sensing, metrology, optical computing, lighting, imaging, and many more applications rely on efficient light emission, processing, and detection. For this reason, photonic materials and devices are a continuous hot topic in today’s science and are rapidly advancing into new areas of discovery.

It is my pleasure to invite you to submit a manuscript to the Materials Special Issue on Photonic Materials and Devices. We are particularly interested in original research on natural and artificial materials with a broadly understood application in photonics on the modern photonic devices. Potential specific topics include but are not limited to the following:

  • Novel materials used in optical and photonic systems;
  • Optical fibers;
  • Meta-materials and left-handed materials;
  • Photonic crystals and gratings;
  • Novel photonic devices;
  • Lasers and gain;
  • Passive and active optical elements;
  • Ultra-fast photonics;
  • Characterization of optical properties of materials;
  • Optical sensing technologies.

Dr. Maciej Dems
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 papers will be 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. Materials is an international peer-reviewed open access semimonthly 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 1800 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

  • optical elements
  • fibers
  • meta-materials
  • lasers
  • photonic crystals
  • gratings

Published Papers (2 papers)

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Research

Open AccessArticle
Design of a 2 × 4 Hybrid MMI-MZI Configuration with MMI Phase-Shifters
Materials 2019, 12(9), 1555; https://doi.org/10.3390/ma12091555
Received: 20 March 2019 / Revised: 20 April 2019 / Accepted: 29 April 2019 / Published: 12 May 2019
PDF Full-text (25446 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
This paper reports design of a 2 × 4 hybrid multimode interferometer-Mach-zehnder interferometer (MMI-MZI) configuration consiting of compact thermo-optical switches on the silicon-on-insulator (SOI) platform. The device consists of two identical MMI slab waveguides as power splitters and couplers that are connected with [...] Read more.
This paper reports design of a 2 × 4 hybrid multimode interferometer-Mach-zehnder interferometer (MMI-MZI) configuration consiting of compact thermo-optical switches on the silicon-on-insulator (SOI) platform. The device consists of two identical MMI slab waveguides as power splitters and couplers that are connected with two identical MMI-based phase shifters, and linear tapers at both ends of the MMIs to minimize the power coupling loss. A thin Al pad is used as a heating element and a trench is created around this pad to prevent heat from spreading, and to minimize loss. The calculated average thermo-optical switching power consumption, excess loss, and power imbalance are 1.4 mW, 0.9 dB, and 0.1 dB, respectively. The overall footprint of the device is 6 × 304 μ m 2 . The new heating method has advantages of compact size, ease of fabrication on SOI platform with the current CMOS technology, and offers low excess loss and power consumption as demanded by devices based on SOI technology. The device can act as two independent optical switches in one device. Full article
(This article belongs to the Special Issue Photonic Materials and Devices)
Figures

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Open AccessArticle
Applications of Copolymers Consisting of 2,6-di(9H-carbazol-9-yl)pyridine and 3,6-di(2-thienyl)carbazole Units as Electrodes in Electrochromic Devices
Materials 2019, 12(8), 1251; https://doi.org/10.3390/ma12081251
Received: 14 March 2019 / Revised: 7 April 2019 / Accepted: 12 April 2019 / Published: 16 April 2019
PDF Full-text (8781 KB) | HTML Full-text | XML Full-text
Abstract
A series of carbazole-based polymers (PdCz, P(dCz2-co-dTC1), P(dCz2-co-dTC2), P(dCz1-co-dTC2), and PdTC) were deposited on indium tin oxide (ITO) conductive electrodes using electrochemical polymerization. The as-prepared P(dCz2-co-dTC2) displayed a high ΔT (57.0%) and multichromic behaviors [...] Read more.
A series of carbazole-based polymers (PdCz, P(dCz2-co-dTC1), P(dCz2-co-dTC2), P(dCz1-co-dTC2), and PdTC) were deposited on indium tin oxide (ITO) conductive electrodes using electrochemical polymerization. The as-prepared P(dCz2-co-dTC2) displayed a high ΔT (57.0%) and multichromic behaviors ranging from yellowish green, greenish gray, gray to purplish gray in different redox states. Five organic electrochromic devices (ECDs) were built using dCz- and dTC-containing homopolymers and copolymers as anodic materials, and poly(3,4-(2,2-dimethylpropylenedioxy)thiophene) (PProdot-Me2) as the cathodic material. The P(dCz2-co-dTC2)/PProdot-Me2 ECD presented remarkable electrochromic behaviors from the bleached to colored states. Moreover, P(dCz2-co-dTC2)/PProdot-Me2 ECD displayed a high optical contrast (ΔT, 45.8%), short switching time (ca. 0.3 s), high coloration efficiency (528.8 cm2 C−1) at 580 nm, and high redox cycling stability. Full article
(This article belongs to the Special Issue Photonic Materials and Devices)
Figures

Figure 1

Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

1. Title: Versatile Simple Time-Delayed Rate-Equation Model for Mode-Locked Vertical-External-Cavity Surface-Emitting Lasers

Authors: Eugene A. Avrutin and Krassimir Panajotov

2. Title: Sol-Gel Derived Optical Waveguide Films as a Technological Platform for Development of Planar Evanescent Wave Sensors

Author: Pawel Karasinski

3. Author: Weijia Bao

4. Author: Richard W. Ziolkowski

5. Author: Almas F. Sadreev

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