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Photonics
Special Issues
New Perspectives in Semiconductor Optics
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New Perspectives in Semiconductor Optics

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: 15 June 2025 | Viewed by 2768

Special Issue Editors

Dr. Raj Vinnakota

E-Mail Website
Guest Editor
Assistant Professor, Department of Chemistry and Physics, Troy University, 600 University Ave, Troy, AL 36082, USA
Interests: semiconductor plasmonics; novel plasmonic-based optoelectronic devices; semiconductor optics and photonics; plasmonic interconnects and plasmon-enhanced light matter interactions
Dr. Shantanu Saha

E-Mail Website
Guest Editor
Associate Professor, Department of Electrical, Electronics and Communication Engineering, GITAM (Deemed to be) University, Rudraram, Hyderabad, Telangana 502329, India
Interests: 2D materials (h-BN, Graphene); c-BN; wide bandgap semiconductors; intercalation; rare gas solids; optoelectronics; quantum photonics
Dr. Yanhua Hong

E-Mail Website
Guest Editor
School of Computer Science and Electronic Engineer, Bangor University, Bangor LL57 2DG, UK
Interests: nonlinear dynamics of semiconductor lasers and their applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The field of semiconductor optics is vast and intriguing with its applications in many fields including, but not limited to, energy detection and conversion, optical waveguides, optoelectronics, integrated optics, and optical communications. Moreover, due to the rich tunable and unique electro-optic, thermo-optic, and non-linear optical properties specific to semiconductor materials, cutting-edge, efficient, and low power-consuming optoelectronic, all-optical devices, chemical and biosensors, biomedical imaging and neuro-inspired ultra-fast optical computing devices are suggested. The prospects for these applications are even more exciting with the advent of semiconductor plasmonics, which offer next-generation photonic integrated circuits with ultra-small footprints and high-performance optical detectors.

We are pleased to invite you to submit a manuscript to this Special Issue on “Semiconductor Optics”. This Special Issue aims to collect the latest experimental and theoretical research articles on the electro-optical, thermo-optical, and non-linear properties of semiconductors and their applications. The scope of this Special Issue covers the advances in the field of semiconductor optics.

Original research and review articles are welcome in this Special Issue. Research areas may include (but are not limited to) the following: optoelectronic devices, ultrafast optics, semiconductor plasmonics, photodetectors, non-linear optics, semiconductor lasers, integrated optics, metamaterials, optical spectroscopy, multiphysics modeling of electro-optic, thermo-optic, and non-linear effects.

We look forward to receiving your contributions.

Dr. Raj Vinnakota
Dr. Shantanu Saha
Dr. Yanhua Hong
Guest Editors

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. Photonics 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 2400 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

  • semiconductors optics
  • optical properties
  • semiconductor plasmonics
  • ultrafast optics
  • non-linear optics
  • integrated optics
  • plasmonic interconnects
  • photodiodes
  • optoelectronics

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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25 pages, 5863 KiB  
Article
A Reconfigurable 1x2 Photonic Digital Switch Controlled by an Externally Induced Metasurface
by Alessandro Fantoni and Paolo Di Giamberardino
Photonics 2025, 12(3), 263; https://doi.org/10.3390/photonics12030263 - 13 Mar 2025
Viewed by 244
Abstract
This work reports the design of a 1x2 photonic digital switch controlled by an electrically induced metasurface, configurated by a rectangular array of points where the refractive index is locally changed through the application of an external bias. The device is simulated using [...] Read more.
This work reports the design of a 1x2 photonic digital switch controlled by an electrically induced metasurface, configurated by a rectangular array of points where the refractive index is locally changed through the application of an external bias. The device is simulated using the Beam Propagation Method (BPM) and Finite Difference Time Domain (FDTD) algorithms and the structure under evaluation is an amorphous silicon 1x2 multimode interference (MMI), joined to an arrayed Metal Oxide Semiconductor (MOS) structure Al/SiNx/a-Si:H/ITO to be used in active-matrix pixel fashion to control the output of the switch. MMI couplers, based on self-imaging multimode waveguides, are very compact integrated optical components that can perform many different splitting and recombining functions. The input–output model has been defined using a machine learning approach; a high number of images have been generated through simulations, based on the beam propagation algorithm, obtaining a large dataset for an MMI structure under different activation maps of the MOS pixels. This dataset has been used for training and testing of a machine learning algorithm for the classification of the MMI configuration in terms of binary digital output for a 1x2 switch. Also, a statistical analysis has been produced, targeting the definition of the most incident-activated pixel for each switch operation. An optimal configuration is proposed and applied to demonstrate the operation of a digital cascaded switch. This proof of concept paves the way to a more complex device class, supporting the recent advances in programmable photonic integrated circuits. Full article
(This article belongs to the Special Issue New Perspectives in Semiconductor Optics)
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10 pages, 2425 KiB  
Article
OLED-Pumped Organic Laser Diode
by Daan Lenstra and Alexis Fischer
Photonics 2024, 11(4), 327; https://doi.org/10.3390/photonics11040327 - 1 Apr 2024
Viewed by 1602
Abstract
A theoretical analysis is presented for a recently proposed high-speed µ-OLED optically pumped organic laser. We confirm that for this configuration, the laser threshold is reached at a lower current density than in the case of a direct-electrically pumped organic laser diode while [...] Read more.
A theoretical analysis is presented for a recently proposed high-speed µ-OLED optically pumped organic laser. We confirm that for this configuration, the laser threshold is reached at a lower current density than in the case of a direct-electrically pumped organic laser diode while generating pulses of order 15 ns duration. With a validated model for the electrically pumped organic light-emitting diode (OLED), we simulate the generation of light pulses. This light is fed into the organic laser section, where it optically pumps the emitting organic medium. The full model includes field-enhanced Langevin recombination in the OLED, Stoke-shifted reabsorption in both the OLED and organic laser, and an optical cavity in the latter. We numerically demonstrate 2 GHz modulation and conjecture the feasibility of ~0.025 Mb/s data transmission with this device. Full article
(This article belongs to the Special Issue New Perspectives in Semiconductor Optics)
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