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Novel and Highly Efficient Semiconductor-Based Light Sources

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: closed (7 September 2021) | Viewed by 3047

Special Issue Editors


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Guest Editor
Ioffe Institute, 26 Polytechnicheskaya str, 194021 St Petersburg, Russia
Interests: nanophotonics; physics of semiconductors; laser diodes and LEDs

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Guest Editor
Aston Institute of Photonic Technologies (AIPT), Aston University, Birmingham B4 7ET, UK
Interests: optoelectronics; LEDs; semiconductor lasers; applied optics; mode-locked lasers; VECSEL
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Special Issue Information

Dear Colleagues,

Progress in the development of light sources for different regions of the electromagnetic spectrum has been non-uniform, primarily due to the introduction of appropriate materials and technological advances. The near-IR region has seen tremendous development and has benefited the most efficient light sources today. Progress in visible light sources seems to be less steep, despite the numerous achievements of the last few decades. However, countless applications of visible wavelengths, ranging from lighting to visible light communication and biomedical applications, will greatly benefit from the progress made in the development of efficient light sources.

This Special Issue on “Highly-Efficient Visible Light Sources” offers to bring together the most recent research focused on practical and theoretical approaches for the further improvement of the efficiency of visible light sources. The topics of this Special Issue include but are not limited to the following:

  • III-V semiconductor lasers and LEDs;
  • LED efficiency droop: mechanisms and mitigation;
  • UV light sources;
  • New visible lasers and LEDs concepts and optimization;
  • Defects and their effects on emission efficiency;
  • Visible light sources via frequency conversion and efficiency;
  • Visible light for biophotonics and emerging applications.

Prof. Dr. Edik U. Rafailov
Prof. Dr. Grigorii Sokolovskii
Dr. Amit Yadav
Guest Editors

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Keywords

  • Light-emitting diodes
  • Laser diodes
  • Quantum dots
  • III-V semiconductors
  • Nonlinear phenomena
  • Novel semiconductor-based lighting devices
  • Biophotonics and emerging applications…

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Published Papers (1 paper)

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Research

6 pages, 3949 KiB  
Article
A Directly Modulated Laterally Coupled Distributed Feedback Laser Array Based on SiO2 Planarization Process
by Qichao Wang, Jian Wang, Changzheng Sun, Bing Xiong, Yi Luo, Zhibiao Hao, Yanjun Han, Lai Wang, Hongtao Li and Jiadong Yu
Appl. Sci. 2021, 11(1), 221; https://doi.org/10.3390/app11010221 - 29 Dec 2020
Cited by 2 | Viewed by 2490
Abstract
Low-cost and high-speed single-mode semiconductor lasers are increasingly required as wide-band access fiber communication expands in recent years. Here, a high-speed laterally coupled distributed feedback (LC-DFB) laser array is achieved based on a SiO2 planarization process. The device exhibits low threshold currents [...] Read more.
Low-cost and high-speed single-mode semiconductor lasers are increasingly required as wide-band access fiber communication expands in recent years. Here, a high-speed laterally coupled distributed feedback (LC-DFB) laser array is achieved based on a SiO2 planarization process. The device exhibits low threshold currents of about 12 mA and high slope efficiencies over 0.26 W/A. Stable single mode operation and high-speed performance are realized with side mode suppression ratios (SMSR) over 45 dB, and 3-dBe bandwidths exceed 14 GHz for all four channels. Such a high-speed and process simple LC-DFB laser array shows great potential to the low-cost fiber communication networks. Full article
(This article belongs to the Special Issue Novel and Highly Efficient Semiconductor-Based Light Sources)
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