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Journals
Photonics
Special Issues
Emerging Photonic Devices, Circuits and Systems
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Emerging Photonic Devices, Circuits and Systems

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

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 24748

Special Issue Editors

Prof. Dr. Ahmedullah Aziz

E-Mail Website
Guest Editor
Department of Electrical Engineering and Computer Science, The University of Tennessee, Knoxville, TN 37996, USA
Interests: nanoelectronics; emerging memory devices; neuromorphic hardware; cryogenic electronics; beyond cmos device
Special Issues, Collections and Topics in MDPI journals
Dr. Abhronil Sengupta

E-Mail Website
Guest Editor
School of Electrical Engineering and Computer Science Pennsylvania State University, University Park, PA 16802, USA
Interests: data science and artificial intelligence; electronic materials and devices; integrated circuits and systems; neuromorphic computing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The relentless evolution of nanotechnology, material science, and theoretical physics has opened up limitless possibilities in the field of photonics. In addition to the well-known variants of photonic devices and circuits, numerous new topologies are being explored worldwide. These emerging and exploratory devices/circuits have unique features that are distinct from conventional counterparts. However, these novel technologies may also introduce unique challenges and necessitate careful co-design towards system-level implementation. With the surging interest in quantum information processing, photonic-quantum technology has recently garnered much attention. Photonic interconnect is being considered and utilized for high-performance systems. Terahertz photonics is becoming more popular in medical diagnosis, security, and wireless communications. There are several such examples of emerging usage for photonic technologies, in addition to the conventional applications. This Special Issue of MDPI’s Photonics takes an interest in publishing notable recent contributions in the general field of photonics.

The topics of interest for this Issue will comprise of (but will not be limited to) the following:

  • Photonic transistors/photonic switches/light valves;
  • Optical amplifiers;
  • Photonic integrated circuits/ quantum photonic circuits;
  • Photonic network on chip;
  • Photonic interconnect;
  • Plasmonics;
  • Novel photonic device structures (laser diodes, LEDs, photovoltaic cells, etc.);
  • Display technologies;
  • Terahertz photonics;
  • Photonic sensors/detectors.

We welcome experimental, numerical, and theoretical works.

Prof. Dr. Ahmedullah Aziz
Prof. Dr. Abhronil Sengupta
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.

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

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

Published Papers (4 papers)

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Review

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34 pages, 6278 KiB  
Review
III-Nitride Light-Emitting Devices
by Md Zunaid Baten, Shamiul Alam, Bejoy Sikder and Ahmedullah Aziz
Photonics 2021, 8(10), 430; https://doi.org/10.3390/photonics8100430 - 7 Oct 2021
Cited by 25 | Viewed by 7425
Abstract
III-nitride light-emitting devices have been subjects of intense research for the last several decades owing to the versatility of their applications for fundamental research, as well as their widespread commercial utilization. Nitride light-emitters in the form of light-emitting diodes (LEDs) and lasers have [...] Read more.
III-nitride light-emitting devices have been subjects of intense research for the last several decades owing to the versatility of their applications for fundamental research, as well as their widespread commercial utilization. Nitride light-emitters in the form of light-emitting diodes (LEDs) and lasers have made remarkable progress in recent years, especially in the form of blue LEDs and lasers. However, to further extend the scope of these devices, both below and above the blue emission region of the electromagnetic spectrum, and also to expand their range of practical applications, a number of issues and challenges related to the growth of materials, device design, and fabrication need to be overcome. This review provides a detailed overview of nitride-based LEDs and lasers, starting from their early days of development to the present state-of-the-art light-emitting devices. Besides delineating the scientific and engineering milestones achieved in the path towards the development of the highly matured blue LEDs and lasers, this review provides a sketch of the prevailing challenges associated with the development of long-wavelength, as well as ultraviolet nitride LEDs and lasers. In addition to these, recent progress and future challenges related to the development of next-generation nitride emitters, which include exciton-polariton lasers, spin-LEDs and lasers, and nanostructured emitters based on nanowires and quantum dots, have also been elucidated in this review. The review concludes by touching on the more recent topic of hexagonal boron nitride-based light-emitting devices, which have already shown significant promise as deep ultraviolet and single-photon emitters. Full article
(This article belongs to the Special Issue Emerging Photonic Devices, Circuits and Systems)
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23 pages, 3092 KiB  
Review
A Comprehensive Survey of Readout Strategies for SiPMs Used in Nuclear Imaging Systems
by Shahram Hatefi Hesari, Mohammad Aminul Haque and Nicole McFarlane
Photonics 2021, 8(7), 266; https://doi.org/10.3390/photonics8070266 - 7 Jul 2021
Cited by 8 | Viewed by 5982
Abstract
Silicon photomultipliers (SiPMs) offer advantages such as lower relative cost, smaller size, and lower operating voltages compared to photomultiplier tubes. A SiPM’s readout circuit topology can significantly affect the characteristics of an imaging array. In nuclear imaging and detection, energy, timing, and position [...] Read more.
Silicon photomultipliers (SiPMs) offer advantages such as lower relative cost, smaller size, and lower operating voltages compared to photomultiplier tubes. A SiPM’s readout circuit topology can significantly affect the characteristics of an imaging array. In nuclear imaging and detection, energy, timing, and position are the primary characteristics of interest. Nuclear imaging has applications in the medical, astronomy, and high energy physics fields, making SiPMs an active research area. This work is focused on the circuit topologies required for nuclear imaging. We surveyed the readout strategies including the front end preamplification topology choices of transimpedance amplifier, charge amplifier, and voltage amplifier. In addition, a review of circuit topologies suitable for energy, timing, and position information extraction was performed along with a summary of performance limitations and current challenges. Full article
(This article belongs to the Special Issue Emerging Photonic Devices, Circuits and Systems)
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19 pages, 1306 KiB  
Review
Integrated Silicon Photonics for Enabling Next-Generation Space Systems
by George N. Tzintzarov, Sunil G. Rao and John D. Cressler
Photonics 2021, 8(4), 131; https://doi.org/10.3390/photonics8040131 - 20 Apr 2021
Cited by 32 | Viewed by 5772
Abstract
A review of silicon photonics for space applications is presented. The benefits and advantages of size, weight, power, and cost (SWaP-C) metrics inherent to silicon photonics are summarized. Motivation for their use in optical communications systems and microwave photonics is addressed. The current [...] Read more.
A review of silicon photonics for space applications is presented. The benefits and advantages of size, weight, power, and cost (SWaP-C) metrics inherent to silicon photonics are summarized. Motivation for their use in optical communications systems and microwave photonics is addressed. The current state of our understanding of radiation effects in silicon photonics is included in this discussion. Total-ionizing dose, displacement damage, and single-event transient effects are discussed in detail for germanium-integrated photodiodes, silicon waveguides, and Mach-Zehnder modulators. Areas needing further study are suggested. Full article
(This article belongs to the Special Issue Emerging Photonic Devices, Circuits and Systems)
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Other

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10 pages, 1866 KiB  
Letter
Integrated Ammonia Sensor Using a Telecom Photonic Integrated Circuit and a Hollow Core Fiber
by Andreas Hänsel, Abubakar Isa Adamu, Christos Markos, Anders Feilberg, Ole Bang and Martijn J.R. Heck
Photonics 2020, 7(4), 93; https://doi.org/10.3390/photonics7040093 - 15 Oct 2020
Cited by 5 | Viewed by 4535
Abstract
We present a fully integrated optical ammonia sensor, based on a photonic integrated circuit (PIC) with a tunable laser source and a hollow-core fiber (HCF) as gas interaction cell. The PIC also contains a photodetector that can be used to record the absorption [...] Read more.
We present a fully integrated optical ammonia sensor, based on a photonic integrated circuit (PIC) with a tunable laser source and a hollow-core fiber (HCF) as gas interaction cell. The PIC also contains a photodetector that can be used to record the absorption signal with the same device. The sensor targets an ammonia absorption line at 1522.45 nm, which can be reached with indium phosphide-based telecom compatible PICs. A 1.65-m long HCF is connected on both ends to a single-mode fiber (SMF) with a mechanical splice that allows filling and purging of the fiber within a few minutes. We show the detection of a 5% ammonia gas concentration, as a proof of principle of our sensor and we show the potential to even detect much lower concentrations. This work paves the way towards a low-cost, integrated and portable gas sensor with potential applications in environmental gas sensing. Full article
(This article belongs to the Special Issue Emerging Photonic Devices, Circuits and Systems)
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