UL https://www.ulisboa.pt/en FCUL https://ciencias.ulisboa.pt/en
José Figueiredo  
  
Research projects Selected publications  Patent applications  youtube

Research
Bacground  

Bolsas: estudantes de mestrado 

Current projects:

    ChipAI – Energy-efficient and high-bandwidth neuromorphic nanophotonic Chips for Artificial Intelligence systems. EU H2020 Future and Emerging Technologies (2019-2022).
          Previous work:
      • Delay dynamics of neuromorphic optoelectronic nanoscale resonators: Perspectives and applications, Bruno Romeira, Jose Figueireo, Julien Javaloyes; CHAOS 27, 114323. DOI: 10.1063/1.5008888. 
      • Regenerative memory in time-delayed neuromorphic photonic resonators, B Romeira, R Avo, Jose Figueiredo, S Barland, J Javaloyes, SCIENTIFIC REPORTS | 5:19510 | DOI 10.1038/srep19510.  
      • Excitability and optical pulse generation in semiconductor lasers driven by resonant tunneling diode photo-detectors, B. Romeira, J. Javaloyes, C. N. Ironside, Jose Figueiredo, S. Balle, and O. Piro, Optics Express 21(18), 20931-20940. DOI: 10.1364/OE.21.020931. 
  • TeraApps - Doctoral Training Network in Terahertz Technologies for Imaging, Radar and Communication Applications. H2020-EU.1.3.1. - Fostering new skills by means of excellent initial training of researchers. EU H2020 (2017-2021). 
  • RETIOT - Reflectometry Technologies to Enhance the Future Internet of Things and Cyber-Physical Systems. Portugal 2020 (2017-2019).
  • iBROW - Innovative ultra-BROadband ubiquitous Wireless communications through terahertz transceivers. Funded under: H2020-EU.2.1.1.3. - Future Internet: Software, hardware, Infrastructures, technologies and services. EU H2020 (2015-2018). 
      • WOWi - (Resonant tunneling diode based) Wireless-Optical-Wireless interfaces for picocellular access networks. FCT-Portugal (2010-2013).

Selected publications:
  • Book: Resonant Tunneling Diode Photonics: Devices and applications, Charlie Ironside, Bruno Romeira and José Figueiredo, IOP Concise Physics book collection, Copyright © 2019 Morgan & Claypool Publishers. Online ISBN: 978-1-64327-744-8, Print ISBN: 978-1-64327-741-7. 
  • Resonant Tunnelling Diode Terahertz Sources with up to 1 mW Output Power in the J-Band, Abdullah Al-Khalidi, Khalid Hamed Alharbi, Jue Wang, Razvan Morariu, Liquan Wang, Ata Khalid, José Figueiredo, and Edward Wasige, in IEEE Transactions on Terahertz Science and Technology. DOI: 10.1109/TTHZ.2019.2959210.
  • Accurate Small-Signal Equivalent Circuit Modelling of Resonant Tunneling Diodes to 110 GHz, Morariu, R., Cornescu, A. C., Morariu, R. , Ofiare, A., Al-Khalidi, A. , Wang, J., Figueiredo, J. M.L. and Wasige, E., IEEE Transactions on Microwave Theory and Techniques. DOI: 10.1109/TMTT.2019.2939321.  
  • High efficiency bias stabilisation for resonant tunneling diode oscillators, Cornescu, A. C., Morariu, R. , Ofiare, A., Al-Khalidi, A., Wang, J., Figueiredo, J. M.L. and Wasige, E., IEEE Transactions on Microwave Theory and Techniques. DOI: 10.1109/TMTT.2019.2916602.
  • Optical Direct Intensity Modulation of a 79 GHz Resonant Tunneling Diode-Photodetector Oscillator, Weikang Zhang, Scott Watson, José Figueiredo et al., OPTICS EXPRESS Vol. 27, No. 12, 10 Jun 2019, 16791-16797. DOI 10.1364/OE.27.016791
  • Resonant tunneling diode photodetectors for optical communications, Scott Watson, Weikang Zhang, Joana Tavares, Jose Figueiredo, Horacio Cantu, Jue Wang, Edward Wasige, Henrique Salgado, Luis Pessoa, Anthony Kelly, Microwave and Optical Technology Letters, Microwave and Optical Technology Letters Vol. 61 (4), 1121-1125. DOI: 10.1002/mop.31689.
  • Delay dynamics of neuromorphic optoelectronic nanoscale resonators: Perspectives and applications, Bruno Romeira, José Figueiredo, and Julien Javaloyes, Chaos: An Interdisciplinary Journal of Nonlinear Science - Time Delay Dynamics focus issue, Volume 27, Issue 11, November 2017. DOI: 10.1063/1.5008888.
  • Regenerative memory in time-delayed neuromorphic photonic resonators, B Romeira, R Avo, Jose ML Figueiredo, S Barland, J Javaloyes, SCIENTIFIC REPORTS | 5:19510 | DOI 10.1038/srep19510.
  • Excitability and optical pulse generation in semiconductor lasers driven by resonant tunneling diode photo-detectors, B. Romeira, J. Javaloyes, C. N. Ironside, J. M. L. Figueiredo, S. Balle, and O. Piro, Optics Express, Vol. 21 (18), pp. 20931-20940, Setembro 2013. DOI: 10.1364/OE.21.020931.
  • Resonant Tunneling Diode Optoelectronic Circuits Applications in Radio-Over-Fiber Networks, Cantu, H. I.; Romeira, B.; Kelly, A. E.; Ironside, C. N.; Figueiredo, J. M. L. Microwave Theory and Techniques, IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 60, NO. 9, pp. 2903-2912, 2012. DOI: 10.1109/TMTT.2012.2206606.
  • Resonant Tunnelling Optoelectronic Circuits, José Figueiredo, Bruno Romeira, Thomas Slight and Charles Ironside (2010). Advances in Optical and Photonic Devices, Ki Young Kim (Ed.), INTECH. ISBN: 978-953-7619-76-3. DOI: 10.5772/7146.

Patents and patent applications:  
Departamento de Física da Faculdade de Ciências da Universidade de Lisboa, Campus da FCUL - Campo Grande, 1749-016 Lisboa, Portugal
E-mail: Email: jose.figueiredo@ciencias.ulisboa.pt   https://ciencias.ulisboa.pt/perfil/jmfigueiredo

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