Work Experience

Education

Awards and Distinctions

Training


Patents


Book Chapter


Publications
Journal Publications:
  1. 🔜 A. M. Graham, S. N. Daskalakis, V. Fusco, M. M. Tentzeris, O. Mayluskin, S. D. Asimonis, Scalable Milliwatt Ambient RF Energy Harvesting using Circularly Polarized Metamaterial Surfaces, IEEE Transactions on Antennas and Propagation, July 2026 (submitted).

  2. K. Aliqab, A. Armghan, S. N. Daskalakis, M. Alsharari, Pattern-free, Thermally Stable, Broadband ZrN/GZO Metasurface Solar Absorber for High Temperature Applications, Elsevier Sciencedirect, Micro and Nanostructures, Vol. 210, No. 208456, February 2026.

  3. K. Aliqab, A. Armghan,S. N. Daskalakis,M. Alsharari Broadband high-temperature metamaterial absorber and thermal emitter composed of fractal geometry, Journal of Computational Electronics, Vol. 25, No. 32, February 2026.

  4. K. Aliqab, M. Alsharari, S. N. Daskalakis, A. Armghan, Exploiting Hafnium Nitride Nanostructures for Polarization-Insensitive and Wideband Infrared Absorption, Nature Scientific Reports, Vol. 15, No. 33093, September 2025.

  5. A. M. Graham, S. N. Daskalakis, V. Fusco, M. M. Tentzeris, S. D. Asimonis A Highly Efficient, Scalable, Tetra-Band Metamaterial-Based Ambient RF Energy Harvester, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 73, No. 9, pp. 6787-6798, September 2025.

  6. 🔥🔥 S. N. Daskalakis, A. Georgiadis, M. M. Tentzeris, G. Goussetis and G. Deligeorgis, The new era of Long-Range “Zero-Interception” Ambient Backscattering Systems: 130 m with 130 nA front-end consumption, in MDPI Sensors, May 2022 (Open Access).

  7. R. Torres, R. Correia, N. B. Carvalho, S. N. Daskalakis, G. Goussetis, Y. Ding, A. Georgiadis, A. Eid, J. Hester and M. M. Tentzeris, Backscatter Communications, IEEE Journal of Microwaves, September 2021 (Open Access).

  8. 👉 👉 J. Kimionis, A. Georgiadis, S. N. Daskalakis and M. M. Tentzeris, A Printed Millimetre-Wave Modulator and Antenna Array for Backscatter Communications at Gigabit Data Rates, Nature Electronics, Vol. 4, No. 6, pp. 439-446, June 2021 (Open Access).

  9. B. Couraud, R. Vauche, S. N. Daskalakis, D. Flynn, T. Deleruyelle, E. Kussener and S. D. Asimonis, Internet of Things: A review on Theory based Impedance Matching Techniques for Energy Efficient RF Systems, MDPI Journal of Low Power Electronics and Applications (JLPEA), Special Issue: Artificial Intelligence of Things (AIoT), Vol. 11, No. 2, Art. no. 16, April 2021.

  10. B. Couraud, T. Deleruyelle, R. Vauche, D. Flynn and S. N. Daskalakis, A Low Complexity Design Framework for NFC-RFID Inductive Coupled Antennas, IEEE Access, Vol. 8, pp. 111074-111088, June 2020.

  11. D. Belo, R. Correia, Y. Ding, S. N. Daskalakis, G. Goussetis, A. Georgiadis and N. B. Carvalho, IQ Impedance Modulator Front-End for Low-Power LoRa Backscattering Devices, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 67, No. 12, pp. 5307-5314, December 2019.

  12. S. N. Daskalakis, G. Goussetis, M. M. Tentzeris and A. Georgiadis, A Rectifier Circuit Insensitive to the Angle of Incidence of Incoming Waves Based on a Wilkinson Power Combiner, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 67, No. 7, pp. 3210-3218, July 2019. Files:

  13. S. N. Daskalakis, R. Correia, G. Goussetis, M. M. Tentzeris, N. B. Carvalho and A. Georgiadis, 4-PAM Modulation of Ambient FM Backscattering for Spectrally Efficient Low Power Applications, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 66, No. 12, pp. 5909-5921, December 2018. Files:

  14. S. N. Daskalakis, G. Goussetis, S. D. Asimonis, M. M. Tentzeris and A. Georgiadis, A uW Backscatter-Morse-Leaf Sensor for Low Power Agricultural Wireless Sensor Networks, IEEE Sensors Journal, Vol. 18, No. 19, pp. 7889–7898, Oct. 2018 (🌍 Top 25 most downloaded Sensors Journal papers in October 2018, February, March & September 2019). Files:

  15. S. N. Daskalakis, J. Kimionis, A. Collado, G. Goussetis, M. M. Tentzeris and A. Georgiadis, Ambient Backscatterers using FM Broadcasting for Low Cost and Low Power Wireless Applications, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 65, No. 12, pp. 5251-5262, December 2017. Files:

  16. A. Collado, S. N. Daskalakis, K. Niotaki, R. Martinez, F. Bolos and A. Georgiadis, Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems, RADIOENGINEERING, Vol. 26, No. 2, pp. 411-417, June 2017.

  17. S. N. Daskalakis, S.D. Asimonis, E. Kampianakis and A. Bletsas, Soil Moisture Scatter Radio Networking with Low Power, IEEE Transactions on Microwave Theory and Techniques (TMTT), Special Issue on RFID Sensing & Imaging, Vol. 64, No. 7, pp. 2338-2346, July 2016. Files:

  18. S. D. Asimonis, S. N. Daskalakis and A. Bletsas, Sensitive and Efficient RF Harvesting Supply for Battery-less Backscatter Sensor Networks, IEEE Transactions on Microwave Theory and Techniques (TMTT), Vol. 64, No. 4, pp. 1327-1338, April 2016. Files:

Conference Publications:
  1. D. Tyrovolas, S. Majumder, S. N. Daskalakis, G. K. Karagiannidis, S. D. Asimonis, Intersymbol Interference-Free Nyquist Pulse Shaping Using Quadratic Bézier Curves, IEEE 15th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP), July 2026, Edinburgh, United Kingdom.

  2. S. Majumder, M. S. Reynolds, S. D. Asimonis, S. Joshi, G. Goussetis, S. N. Daskalakis ZeroScatter-LoRa: Microcontrollers Are RFIDs, IEEE 15th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP), July 2026, Edinburgh, United Kingdom.

  3. S. Majumder, C. Lohr, J. Birk, M. M. Tentzeris, G. Goussetis, S. D. Asimonis, S. Daskalakis, All-Digital CSS Ambient Backscatter with 17.6 µW Power Consumption and a MISO Receiver, IEEE International Microwave Symp. (IMS), June 2026, Boston, USA.

  4. G. Psychogiou, D. P. Lynch, S. Daskalakis, M. M. Tentzeris, G. Goussetis, S. D. Asimonis, Single-Feed Circularly Polarized Super Realized Gain Antenna, IEEE European Conference on Antennas and Propagation (EuCAP), April 2026, Dublin, Ireland.

  5. S. Majumder, J. Birk, C. Lohr, G. Goussetis, S. D. Asimonis, S. Daskalakis, NoLoRa: Ultra-Low-Power LoRa Transmissions Without Active Radios for Battery-Free Devices, IEEE European Conference on Antennas and Propagation (EuCAP), April 2026, Dublin, Ireland.

  6. A. Simon, S. Rotenberg, J. M. Purushothama, S. N. Daskalakis, G. Goussetis, Planar Satellite on the Move Antenna, IEEE International Workshop on Antenna Technology (iWAT), March 2026, Liverpool, United Kingdom.

  7. D. P. Lynch, A. M. Graham, M. M. Tentzeris, S. N. Daskalakis, S. D. Asimonis Steerable Low-Complexity Antenna Array with Super-Realized Gain IEEE RFID-TA, October 2025, Valence, France.

  8. J. B. Birk, S. N. Daskalakis, H. Fan, G. GoussetisAn Open-Source, Hybrid Communication System Twin and Tool for CubeSat Applications 38th Annual Small Satellite Conference, August 2025, Salt Lake City, UT, USA.

  9. K. Aliqab, M. Alsharari, S. N. Daskalakis, A. Armghan, Differential-mode Bandpass Filter with Wideband Behaviour Featuring Intrinsic Common-mode Suppression in The Twentieth International Conference on Digital Telecommunications ICDT, May 2025, Nice, France.

  10. A. Simon, S. Rotenberg, S. Majumder, J. M. Purushothama, S. N. Daskalakis, G. Goussetis, Technology Development for a Cost-Effective SCOM on the Move System for LEO Satellite Constellations, URSI Symposium 2025, March 2025, Durham, United Kingdom Poster.

  11. S. Majumder, A. Scholz, G. Goussetis, S. N. Daskalakis, Open Source Python Implementation of CCSDS File Delivery Protocol to Support FileBased Operations, IEEE International Conference on Communications (ICC), June 2025, Montreal, Canada.

  12. 👉 👉 F. Yang, A. Georgiadis, S. N. Daskalakis, K. Niotaki, Y. Hu, J. Yang and C. Song, Single-Branch Hybrid Resistance Compression Technique for Enhanced Rectifier Performance, IEEE European Conference on Antennas and Propagation (EUCAP), March 2024, Glasgow, UK.

  13. K. Kossenas, D. Comite, S. N. Daskalakis, P. Kontou, M. Kuznetcov and S. K. Podilchak, A Remote Microwave Thermal Sterilization Approach for the Coronavirus and Other Pathogens by Wireless Power Transmission, URSI GASS 2021, August-September 2021, Rome, Italy (🌍 URSI GASS 2021 Young Scientist Award).

  14. P. Kontou, S. B. Smida, S. N. Daskalakis, S. Nikolaou, M. Dragone and D. E. Anagnostou, Heartbeat and Respiration Detection Using a Low Complexity CW Radar System, European Microwave Week 2020 (EuMW), January 2021, Utrecht, The Netherlands.

  15. S. N. Daskalakis, G. Goussetis and A. Georgiadis, NFC Hybrid Harvester for Battery-free Agricultural Sensor Nodes, IEEE International Conference on RFID-Technology and Applications (RFID-TA), September 2019, Pisa, Italy (Presentation).

  16. B. A. Mouris, W. Elshennawy, P. Petridis, Y. Ding and S. N. Daskalakis, Rectenna for Bluetooth Low Energy Applications, IEEE Wireless Power Transfer conference (WPTC), June 2019, London, UK.

  17. S. N. Daskalakis, A. Georgiadis, G. Goussetis and M. M. Tentzeris, Low Cost Ambient Backscatter for Agricultural Applications, International Conference on Electromagnetics in Advanced Applications (ICEAA 2019), September 2019, Granada, Spain.

  18. S. N. Daskalakis, S. D. Asimonis, G. Goussetis, M. M. Tentzeris and A. Georgiadis, The Future of Backscatter in Precision Agriculture, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) 2019, July 2019, Atlanta, Georgia, USA.

  19. S. D. Asimonis, S. N. Daskalakis, V. Fusco, M. M. Tentzeris and A. Georgiadis, High Efficiency RF Energy Harvester for IoT Embedded Sensor Nodes, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) 2019, July 2019, Atlanta, Georgia, USA (Presentation).

  20. R. Correia, Y. Ding, S. N. Daskalakis, P. Petridis, G. Goussetis, A. Georgiadis and N. B. Carvalho, Chirp Based Backscatter Modulation, IEEE MTT-S International Microwave Symposium (IMS), June 2019, Boston, Massachusetts, USA.

  21. T.-H. Lin, S. N. Daskalakis, A. Georgiadis and M. M. Tentzeris, Achieving Fully Autonomous System-on-Package Designs: An Embedded-on-Package 5G Energy Harvester within 3D Printed Multilayer Flexible Packaging Structures, IEEE International Microwave Symposium (IMS), June 2019, Boston, Massachusetts, USA.

  22. S. N. Daskalakis, R. Correia, G. Goussetis, M. M. Tentzeris, N. B. Carvalho and A. Georgiadis, Spectrally Efficient 4-PAM Ambient FM Backscattering for Wireless Sensing and RFID Applications, IEEE International Microwave Symposium (IMS), Pennsylvania, June 2018, Philadelphia, USA (Student paper competition finalist).

  23. S. N. Daskalakis, G. Goussetis and A. Georgiadis, Low Bitrate Ambient FM Backscattering for Low Cost and Low Power Sensing, 2nd URSI Atlantic Radio Science Conference (AT-RASC), May-June 2018, Gran Canaria, Spain (Presentation).

  24. S. N. Daskalakis, G. Goussetis and A. Georgiadis, A 2.4 GHz Rectifier Insensitive to the Angle of Incidence of Incoming Waves, 2nd URSI Atlantic Radio Science Conference (AT-RASC), May-June 2018, Gran Canaria, Spain (Presentation).

  25. S. N. Daskalakis, A. Georgiadis, A. Collado and M. M. Tentzeris, An UHF rectifier with 100% bandwidth based on a ladder LC impedance matching network, European Microwave Week (EuMW), October 2017, Nuremberg, Germany.

  26. S. N. Daskalakis, A. Collado, A. Georgiadis and M. M. Tentzeris, Backscatter Morse Leaf Sensor for Agricultural Wireless Sensor Networks, IEEE Sensors Conference (SENSORS), October-November 2017, Glasgow, Scotland, UK (Received a Best paper distinction and invitation for publication to the IEEE Sensors Journal).

  27. S. N. Daskalakis, J. Kimionis, J. Hester, A. Collado, M. M. Tentzeris and A. Georgiadis, Inkjet printed 24 GHz rectenna on paper for millimeter wave identification and wireless power transfer applications, International Microwave Workshop Series on Advance Materials and Processes (IMWS-AMP), September 2017, Pavia, Italy.

  28. S. N. Daskalakis, J. Kimionis, A. Collado, M. M. Tentzeris and A. Georgiadis, Ambient FM Backscattering for Smart Agricultural Monitoring, IEEE International Microwave Symp. (IMS), June 2017, Honolulu, Hawaii, USA.

  29. A. Servent, S. N. Daskalakis, A. Collado and A. Georgiadis, A Proximity Wireless Sensor Based on Backscatter Communication, International Applied Computational Electromagnetics Society (ACES) Symposium, March 2017, Firenze, Italy.

  30. G. Vougioukas, S. N. Daskalakis and A. Bletsas, Could Battery-less Scatter Radio Tags Achieve 270-meter Range?, IEEE Wireless Power Transfer Conference (WPTC), May 2016, Aveiro, Portugal.

  31. S. N. Daskalakis, A. Georgiadis, A. Bletsas, C. Kalialakis, Dual Band RF Harvesting with Low-Cost Lossy Substrate for Low-Power Supply System, IEEE European Conference on Antennas and Propagation (EUCAP), April 2016, Davos, Switzerland.

  32. S. N. Daskalakis, S. D. Asimonis, E. Kampianakis and A. Bletsas, Soil Moisture Wireless Sensing with Analog Scatter Radio, Low Power, Ultra-Low Cost and Extended Communication Ranges, IEEE Sensors Conference (SENSORS), November 2014, Valencia, Spain.

  33. S. D. Asimonis, S. N. Daskalakis and A. Bletsas, Efficient RF Harvesting for Low-Power Input with Low-Cost Lossy Substrate Rectenna Grid, IEEE International Conference on RFID-Technology and Applications (RFID-TA), September 2014, Tampere, Finland.

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