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Selected Papers from the Special Session “Sensors in Broadband Networks” of the FOAN 2019

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".

Deadline for manuscript submissions: closed (29 February 2020) | Viewed by 4002

Special Issue Editors


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Guest Editor
1. Department of Telecommunications, Brno University of Technology, Technicka 3082/12, 616 00 Brno, Czech Republic
2. Department of Optical Networks, CESNET a.l.e., Zikova 4, 160 00 Prague, Czech Republic
Interests: fiber-optical sensors; fiber-optical networks; non-data optical transmission; optical amplifiers; optical networks security; hacking of optical network infrastructure
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Interests: sensor networks; sensor applications; optical networks
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The 8th FOAN International Conference on Fiber Optics in Access Networks will be held on 2–4 September 2019 in Sarajevo, Bosnia and Herzegovina. The primary goal of FOAN 2019 is to bring together and present the latest research in the field of fiber optics technologies. The idea behind the workshop is to create opportunity to learn new things by gathering scientists and experts from academia, industry and operators in the field that will during the workshop share their knowledge, experience, and ideas. This Special Issue will contain a selection of papers submitted and accepted at the Special Session “Sensors in Broadband Networks” of the FOAN 2019. We warmly invite researchers to submit their contributions to this Special Issue. Topics for the Special Session “Sensors in Broadband Networks” include (but are not limited to):

  • Fiber Optics Sensors;
  • Sensors in Broadband Networks;
  • IoT Sensors and Actuators;
  • Sensors in Smart Cities;
  • Sensors in Home/Office Areas;
  • Sensor Phenomenology, Modeling and Evaluation;
  • Sensor Materials, Processing and Fabrication

Dr. Petr Münster
Prof. Dr. Kimio Oguchi
Guest Editors

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Keywords

  • Fiber Optics Sensors
  • Sensors in Broadband Networks,
  • IoT Sensors and Actuators;
  • Sensors in Smart Cities
  • Sensors in Home/Office Areas
  • Sensor Phenomenology, Modeling and Evalua

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Published Papers (1 paper)

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Research

15 pages, 4630 KiB  
Article
Up-Conversion Sensing of 2D Spatially-Modulated Infrared Information-Carrying Beams with Si-Based Cameras
by Adrián J. Torregrosa, Emir Karamehmedović, Haroldo Maestre, María Luisa Rico and Juan Capmany
Sensors 2020, 20(12), 3610; https://doi.org/10.3390/s20123610 - 26 Jun 2020
Cited by 3 | Viewed by 3566
Abstract
Up-conversion sensing based on optical heterodyning of an IR (infrared) image with a local oscillator laser wave in a nonlinear optical sum-frequency mixing (SFM) process is a practical solution to circumvent some limitations of IR image sensors in terms of signal-to-noise ratio, speed, [...] Read more.
Up-conversion sensing based on optical heterodyning of an IR (infrared) image with a local oscillator laser wave in a nonlinear optical sum-frequency mixing (SFM) process is a practical solution to circumvent some limitations of IR image sensors in terms of signal-to-noise ratio, speed, resolution, or cooling needs in some demanding applications. In this way, the spectral content of an IR image can become spectrally shifted to the visible/near infrared (VIS/NWIR) and then detected with silicon focal plane arrayed sensors (Si-FPA), such as CCD/CMOS (charge-coupled and complementary metal-oxide-semiconductor devices). This work is an extension of a previous study where we recently introduced this technique in the context of optical communications, in particular in FSOC (free-space optical communications). Herein, we present an image up-conversion system based on a 1064 nm Nd3+: YVO4 solid-state laser with a KTP (potassium titanyl phosphate) nonlinear crystal located intra-cavity where a laser beam at 1550 nm 2D spatially-modulated with a binary Quick Response (QR) code is mixed, giving an up-converted code image at 631 nm that is detected with an Si-based camera. The underlying technology allows for the extension of other IR spectral allocations, construction of compact receivers at low cost, and provides a natural way for increased protection against eavesdropping. Full article
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