-in Progress-

• 220-330 GHz Single-Pole Single-Throw (SPST) Waveguide Switch Based on Schottky Diodes – conference talk (ISSTT2025)
• Spectrum Analyzer Extenders at 300 GHz Enabling Complex 16-QAM Modulation – conference talk (Gemic2025)
• Harmonic generation in up and down converter mixers with discrete series diodes
• Fully-Optoelectronic 300 GHz Multi-Channel Wireless Link Using a Photonically-Pumped Low-Barrier Mixer for up to 180 Gbps Performance Evaluation of GaAs and InGaAs Schottky Mixers at 0.3 THz: A Comparative Analysis Between Optical and Electrical Pumping in THz Wireless Communication Systems
• K.Spanidou, D. Headland, and G. Carpintero, „A compact 100-GHz omnidirectional monopole probe dielectric resonator antenna enabled by micromachined silicon coaxial cavity“, 2025 Proc. SPIE

February 2025

• E. Abacıoğlu et al., „100 Gbit/s and Beyond IEEE 802.15.3d Channelization Compatible THz Communications Enabled by a Broadband MUTC Photodiode,“ in IEEE Transactions on Terahertz Science and Technology, doi: 10.1109/TTHZ.2025.3541824. https://ieeexplore.ieee.org/document/10884861

January 2025

• Surya Revanth Ayyagari,, Simonas Indrišiūnas, Alexey Basharin, Vytautas Janonis, Daniil Pashnev, Guillaume Ducournau, Polina Kuzhir, and Irmantas Kašalynas, “Experimental observation of mutual coupling in resonator array on thin-metal-film,“  J. Appl. Phys., vol. 137, no. 1, Jan. 2025, https://doi.org/10.1063/5.0245081.

December 2024

• Isaac Appiah Otoo, Alexey Basharin, Anar Ospanova, Grigorii Matveev, Georgy Fedorov, Petri Karvinen, Surya Revanth Ayyagari, Daniil Pashnev, Andrzej Urbanowicz, Justinas Jorudas, Irmantas Kašalynas, Yuri Svirko, Polina Kuzhir “Broadband Transparency in Terahertz Free-Standing Anapole Metasurface,” Appl. Phys. Lett., vol. 125, no. 26, Dec. 2024, https://doi.org/10.1063/5.0246993.

November 2024

• J. -J. Fernandez-Pacheco, L. Morvan, D. Dolfi and G. Ducourneau, „Two-Frequency Laser Source Stabilized on a Single Fiber Interferometer for Low Phase Noise and Frequency-Stable Millimeter-Wave Generation,“ 2024 International Topical Meeting on Microwave Photonics (MWP), Pisa, Italy, 2024, pp. 1-3, doi: 10.1109/MWP62612.2024.10736297. https://ieeexplore.ieee.org/document/10736297

October 2024

• A. S. Mohammed et al., „120 Gbit/s aggregated channel transmission in the 600 GHz band using topological waveguide,“ 2024 54th European Microwave Conference (EuMC), Paris, France, 2024, pp. 401-404, doi: 10.23919/EuMC61614.2024.10732201. https://ieeexplore.ieee.org/document/10732201
• H. Gohil et al., „Evaluating Performance of 3D-Printed Metallic Rectangular mm-Wave and THz Waveguides,“ 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, 2024, pp. 1-2, doi: 10.1109/IRMMW-THz60956.2024.10697633. https://ieeexplore.ieee.org/document/10697633

September 2024

• Y. Uçar et al., „Phase Noise of Optically Generated Terahertz Signals Employing an InP-based Photonic IC,“ 2024 24th International Conference on Transparent Optical Networks (ICTON), Bari, Italy, 2024, pp. 1-4, doi: 10.1109/ICTON62926.2024.10647609. https://ieeexplore.ieee.org/document/10647609

July 2024

• Abdu Subahan Mohammed, Gaëtan Lévêque, Edouard Lebouvier, Yan Pennec, Marc Faucher, Alberto Amo, Pascal Szriftgiser, and Guillaume Ducournau, „Engineering the Breaking of Topological Protection in Valley Photonic Crystals Enables to Design Chip Level Functions for THz 6G Communications and Beyond,“ J. Lightwave Technol. 42, 8323-8335 (2024). https://opg.optica.org/jlt/abstract.cfm?URI=jlt-42-23-8323

May 2024

• Sengupta, Nabanita & Grzeslo, Marcel & Iwamatsu, Shuya & Tebart, Jonas & Haddad, Thomas & Stöhr, Andreas. (2024). Ultra-Broadband Photonic THz Transceiver IC for High Range Resolution FMCW RADAR. doi:10.46620/URSIATRASC24/NWPH7947. https://www.ursi.org/proceedings/procAT24/papers/0960.pdf

April 2024

• T. Haddad, J. Tebart, C. Biurrun-Quel, P. Lu and A. Stöhr, „THz Optoelectronic 2-D Beam Steering Transmitter for Short-Range Communications,“ 2024 15th German Microwave Conference (GeMiC), Duisburg, Germany, 2024, pp. 300-303, doi: 10.23919/GeMiC59120.2024.10485304. https://ieeexplore.ieee.org/document/10485304
• Surya Revanth Ayyagari, Andreas K. Klein, Simonas Indrišiūnas, Vytautas Janonis, Daniil Pashnev, Abdu Subahan Mohammed, Guillaume Ducournau, Andreas Stöhr, and Irmantas Kašalynas, „Broadband high-contrast-grating-type waveplates for the terahertz range,“ Opt. Express 32, 15870-15881 (2024). https://opg.optica.org/oe/fulltext.cfm?uri=oe-32-9-15870&id=548995
• T. Haddad, R. Hamad, H. Kaya, M. Damerji and A. Stöhr, „Terahertz Microstrip Leaky-Wave Antenna for WR1.0 Band,“ 2024 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, United Kingdom, 2024, pp. 1-4, doi: 10.23919/EuCAP60739.2024.10500997. https://ieeexplore.ieee.org/document/10500997

March 2024

• S. Iwamatsu, D. Headland, I. Mohammad, M. Fujita, and A. Stöhr, “THz Near-Field Imaging Sensor Using Integrated Substrateless Silicon Interferometer”, German Microwave Conference (GeMiC), Duisburg, March 2024.
  https://ieeexplore.ieee.org/abstract/document/10485296
• Daniel Headland, Ashish Kumar, Harrison Lees, Withawat Withayachumnankul, and Guillermo Carpintero, „“ Matched dielectric slot waveguide as all-dielectric terahertz magnetic dipole““, March 2024 Optics letter.
  https://doi.org/10.1364/OL.516561

December 2023

• Ducournau, G., Szriftgiser, P., Mohammed, A. S., Zegaoui, M., Zaknoune, M., Kawamoto, Y., Gao, W., & Nagatsuma, T. (Year Unavailable). Photonics-Enabled 1.04 Tbit/S Aggregated Data-Rate in the 600 GHz Band. Presented at APMC Conference, December 5-8, Taiwan.
  https://ieeexplore.ieee.org/abstract/document/10439923

October 2023

• Kumar, M. Ali, D. Headland and G. Carpintero, „“Compact and Robust Silicon Waveguide to Hollow Metallic Waveguide Coupling using a Quarter-Wave Dielectric Slot Waveguide for mmW and THz Waves,““ 2023 International Topical Meeting on Microwave Photonics (MWP), Nanjing, China, 2023, pp. 1-4, doi: 10.1109/MWP58203.2023.10416634
  https://ieeexplore.ieee.org/abstract/document/10416634
• Abacıoğlu, M. Grzeslo, T. Neerfeld, A. S. Mohammed, J. L. Fernández Estévez, G. Ducournau, and A. Stöhr, „“500 GHz Operational Bandwidth MUTC-Photodiodes with Milliwatt Terahertz Output Power Levels,““ in 49th European Conference on Optical Communications (ECOC), October 2023.
  https://ieeexplore.ieee.org/abstract/document/10484731
• T. Haddad, J. Tebart, I. Mohammad, P. Lu, S. Makhlouf and A. Stöhr, „Recent developments of photonic integrated chips for THz beamsteering,“ 49th European Conference on Optical Communications (ECOC 2023), Hybrid Conference, Glasgow, UK, 2023, doi: 10.1049/icp.2023.2543. https://ieeexplore.ieee.org/document/10484602

September 2023

• Kumar, K., Kovylina, M., Pashnev, D., Ayyagari, S. R., Kašalynas, I., Vidal, B., & García-Meca, C. (2023, September). THz optical characterization of novel chalcogenide phase change materials. In 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (pp. 1-2). IEEE
  https://ieeexplore.ieee.org/abstract/document/10299162
• Headland et al., „“Broadband mm-wave sealed-volume liquid bio-sensor exploiting tailored delocalization of modal fields in a micro-scale silicon waveguide,““ 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, 2023, pp. 1-2, doi: 10.1109/IRMMW-THz57677.2023.10299254
  https://ieeexplore.ieee.org/document/10299254
• Fernandez-Pacheco, L. Morvan, V. Crozatier, F. Bretenaker and D. Dolfi, „“High spectral purity solid-state dual-frequency laser for the generation of ultra-low phase noise millimeter-wave to terahertz CW signals,““ 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, 2023, pp. 1-2, doi: 10.1109/IRMMW-THz57677.2023.10299065
  https://ieeexplore.ieee.org/document/10299065
• M Grzeslo, A. Lavrič, T. Brüning, J. Tebart, S. Iwamatsu, J.L. Fernández-Estévez, and A. Stöhr, „“Monolithically Integrated Optically Pumped InP-based THz-Mixer,““ International conference on Infrared, Millimeter and Terahertz waves (IRMMW-THz) 2023, Sep. 2023https://www.semanticscholar.org/paper/Monolithically-Integrated-Optically-Pumped-THz-Grzeslo-Lavri%C4%8D/1d686bbfa1215651e289313da64b0381803be9a2
• M Grzeslo, J. Tebart, S. Poess, S. Iwamatsu, I. Mohammad, and A. Stöhr, „“Development of a 3D Printed Dual-Band mmWave and THz Near-Field Microscope for Skin Cancer Detection,““ International conference on Infrared, Millimeter and Terahertz waves (IRMMW-THz) 2023, Sep. 2023.
  https://www.semanticscholar.org/paper/Development-of-a-3D-Printed-Dual-Band-mmWave-and-Grzeslo-Tebart/745c3a3f18581ad6d656724790aad0d83b1722bd
• S. Iwamatsu, M. Ali, J.L. Fernández-Estevez, M. Grzeslo, I. Mohammad, S. Makhlouf, G. Carpintero, and A. Stöhr, „“Integrated Ultra-Broadband THz Photodiode with Silicon Rod Waveguide Interfaces,““ International conference on Infrared, Millimeter and Terahertz waves (IRMMW-THz) 2023, Sep. 2023.
  https://ieeexplore.ieee.org/document/10298988
• S. Mohammed et al., „“THz topological Waveguides in 600 GHz frequency Region,““ 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, 2023, pp. 1-2, doi: 10.1109/IRMMW-THz57677.2023.10298871.
  https://ieeexplore.ieee.org/document/10298871
• Spanidou, L. Orbe, R. Guzmán, L. González-Guerrero and G. Carpintero, „“A Silicon-Based Optical Signal Transmitter for Sub-THz Wireless Communication Systems,““ 2023 18th European Microwave Integrated Circuits Conference (EuMIC), Berlin, Germany, 2023, pp. 357-360, doi: 10.23919/EuMIC58042.2023.10288824.
  https://ieeexplore.ieee.org/document/10288824
• Martinez Gil, J., Moro-Melgar, D., Negrus, A., Oprea, I., & Cojocari, O. (2023). Efficiency Assessment of Traditional GaAs and Low-Power InGaAs Schottky Diodes in Full-Band Mixers at 0.3 THz. Electronics, 12(21), 4518.
  https://www.mdpi.com/2079-9292/12/21/4518
• S. Iwamatsu, M. Ali, J. L. Fernandez-Estevez, M. Grzeslo, S. Makhlouf, G. Carpintero, and A. Stöhr, “Integrated Ultra-Broadband THz Photodiode with Silicon-photonic Waveguide Interfaces,” 2023 48th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, 2023.
  https://ieeexplore.ieee.org/abstract/document/10298988
• I. Belio-Apaolaza et al., “High-performance terahertz optoelectronic receivers enabled by monolithic integration of SBDs and UTC-PDs: modelling and design,” 2023 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, Canada, 2023
  https://ieeexplore.ieee.org/abstract/document/10299228
• R. Ayyagari. et al.,“Mutual Coupling Effects between meta-atoms for Enhanced Bandwidth“ 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, Canada, 2023
  https://ieeexplore.ieee.org/abstract/document/10298979

July 2023

• Sumer Makhlouf et al, „Terahertz Sources and Receivers: From the Past to the Future,“ 2023.
  https://ieeexplore.ieee.org/document/10175031

June 2023

• Kumar, A., Gallego, D. C., Ali, M., Rivera-Lavado, A., Headland, D., & Carpintero, G. (2023). Broadband 770° Phase Shifter for Mm-Waves Using Controllable Delocalization of Modal Fields in a Dielectric Rod Waveguide. International Microwave Symposium.“
  https://ieeexplore.ieee.org/document/10188042/

May 2023

• Ayyagari, S. Indrišiūnas and I. Kašalynas, „“Hybrid Multiphase Fresnel Lenses on Silicon Wafers for Terahertz Frequencies,““ in IEEE Transactions on Terahertz Science and Technology, vol. 13, no. 3, pp. 231-236, May 2023, doi: 10.1109/TTHZ.2023.3263638.
  https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10098910
• Iwamatsu, M. Ali, J.L. Fernandez Estevez, J. Tebart, A. Kumar, S. Makhlouf, G Carpintero, and A. Stöhr, „“Ultra-Wideband Multi-Octave Planar Interconnect for Multi-Band THz Communications,““ Journal of Infrared, Millimeter, and Terahertz Waves, vol 44, pp. 532-550, 2023.
  https://www.researchgate.net/publication/371016462_Ultra-Wideband_Multi-Octave_Planar_Interconnect_for_Multi-Band_THz_Communications

April 2023

• R. Ayyagari. et al., „HybridMulti-Phase Fresnel Lenses on Silicon Wafers for Terahertz Frequencies“, IEEETTST .
  https://ieeexplore.ieee.org/document/10098910
• Alfred Leitenstorfer et al, „The 2023 terahertz science and technology roadmap,“ 2023.
  https://iopscience.iop.org/article/10.1088/1361-6463/acbe4c/meta

March 2023

• Tebart et al., “Prospects and Technologies for Mobile Terahertz 6G Communications,” Optical Fiber Communication Conference (OFC) 2023. Optica Publishing Group, 2023.
  https://opg.optica.org/viewmedia.cfm?uri=OFC-2023-Tu3J.3&seq=0
• Spanidou, L. Orbe, L. G. Guerrero, D. Herrmann, and G. Carpintero, „Cascaded directional coupler-based polarization splitter/combiner on commercial silicon photonics integration platform“, Proc. SPIE 12424, Integrated Optics: Devices, Materials, and Technologies XXVII, 1242407, 17 March 2023, doi.org/10.1117/12.2649958″
  https://ict-teraway.eu/wp-content/uploads/2023/07/K.-Spanidou-et-al.-SPIEO_2023-2.pdf

November 2022

• Belio-Apaolaza et al., “Photonically-driven Schottky diode based 0.3 THz heterodyne receiver,” Optics Express, vol. 30, no. 24. Optica Publishing Group, p. 43223, Nov. 09, 2022
  https://opg.optica.org/oe/fulltext.cfm?uri=oe-30-24-43223&id=518957
• Makhlouf S, Martinez-Gil J, Grzeslo M, Moro-Melgar D, Cojocari O, Stöhr A. High-power UTC- photodiodes for an optically pumped subharmonic terahertz receiver. Opt Express. 2022 Nov 21;30 (24):43798-43814. doi: 10.1364/OE.470375. PMID: 36523071
  https://opg.optica.org/oe/fulltext.cfm?uri=oe-30-24-43798&id=521757

October 2022

• Ezgi Abacıoğlu, José Luis Fernández Estévez, and Andreas Stöhr, „Structural, optical, and mechanical properties of silicon nitride films deposited by inductively coupled plasma enhanced chemical vapor deposition,“ Advanced Properties and Processes in Optoelectronic Materials and Systems (APROPOS) 18, 5-7 October, 2022 Vilnius, Lithuania.
  https://duepublico2.uni-due.de/receive/duepublico_mods_00078077.
• S. Iwamatsu et al., „Ultra-Broadband THz Transition from CPW to Si Rod Waveguide for Future Tbps On-Chip Communications,“ Advanced Properties and Processes in Optoelectronic Materials and Systems (APROPOS) 18, 5-7 October, Vilnius, Lithuania, 2022.
  https://duepublico2.uni-due.de/receive/duepublico_mods_00078064
• Guillaume Ducournau, Davy P. Gaillot, Aritrio Bandyopadhyay, Malek Zegaoui, Mohammed Zaknoune, Bewindin Alfred Sawadogo,Pascal  Szriftgiser,Karen Baudelle, Monika Bouet,Géraud Bouwmans,Esben Andresen,Laurent Bigot, „Towards Tbit/s THz communications,“ 2022 IEEE International Topical Meeting on Microwave Photonics (MWP), Orlando, FL, USA, 2022, pp. 1-2,
  https://ieeexplore.ieee.org/abstract/document/9997701
• A. Sawadogo, Aritrio Bandyopadhyay,Malek Zegaoui, Mohammed Zaknoune,Pascal Szriftgiser,Karen Baudelle,Monika Bouet,Géraud Bouwmans,Davy P. Gaillot,Esben Andresen, Guillaume Ducournau and Laurent Bigot „100 Gbit/s THz Data Transmission and Beyond using Multicore Fiber Combined with UTC Photodiode Array,“ 2022 Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2022, pp. 1-3, https://ieeexplore.ieee.org/document/9748345
• Aritrio Bandyopadhyay,B. A. Sawadogo,Malek Zegaoui, Mohammed Zaknoune,Pascal Szriftgiser,Karen Baudelle,Monika Bouet,Géraud Bouwmans,Davy P. Gaillot,Esben Andresen, Guillaume Ducournau and Laurent Bigot,“100 Gbit/s THz Data Transmission and Beyond using Multicore Fiber Combined with UTC Photodiode Array“,Advanced Properties and Processes in Optoelectronic Materials and Systems (APROPOS) 18, 5-7 October, Vilnius, Lithuania, 2022.
  https://ieeexplore.ieee.org/document/9748345
• Martinez Gil J., Moro Melgar D., Cojocari O. “270-320 GHz Low Barrier Schottky Diode Mixer”. Advanced Properties and Processes in Optoelectronic Materials and Systems APROPOS 18, 5-7 October, 2022 Vilnius, Lithuania
  https://duepublico2.uni-due.de/servlets/MCRFileNodeServlet/duepublico_derivate_00077719/Martinez_et_al_APROPOS18_S3_P4_final.pdf
• Yilmaz Ucar and Andreas Stoehr. “Cascaded wideband R-o-F links with LWA for enabling mobile 5G base stations ”. Advanced Properties and Processes in Optoelectronic Materials and Systems (APROPOS) 18, 5-7 October, 2022 Vilnius, Lithuania.
  https://duepublico2.uni-due.de/receive/duepublico_mods_00078071

September 2022

• Kumar et al., „Contactless Cost-effective Polarizer for mm-Wave Dielectric Rod Waveguide,“ 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, 2022, pp. 1-2. A. Kumar, D.C. Gallego, D. Headland, M.
  https://ieeexplore.ieee.org/document/9895990

August 2022

• Iwamatsu, M. Ali, J. L. Fernandez-Estevez, S. Makhlouf, G. Carpintero, and A. Stöhr, “Broadband THz Interconnect for Hybrid Integration of InP and Si Platforms,” 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, Aug. 28, 2022. doi:10.1109/irmmw-thz50927.2022.9895647.
  https://ieeexplore.ieee.org/document/9895647
• R. Ayyagari. et al., „Phase profile optimization of silicon multi-phase zone plate lenses for operation at 585 GHz frequency,“ 2022 47th International Conference on Infrared, Millimeter andTerahertz Waves (IRMMW-THz), Delft, Netherlands, 2022, pp. 1-2, doi:10.1109/IRMMW-THz50927. 2022.9895492.
  https://ieeexplore.ieee.org/document/9895492

July 2022

• I. Mohammad, V. Rymanov, S. Makhlouf, I. Stoffels, J. Klode, X. Tang, „Photonic Non-Invasive mmW and THz Imaging for Non-Melanoma Skin Cancer Detection“, 2022 Fifth International Workshop on Mobile Terahertz Systems (IWMTS), IEEE, July 21 2022. doi: 10.1109/IWMTS54901.2022.9832443. https://ieeexplore.ieee.org/abstract/document/9832443

May 2022

• Guillaume Ducournau, Laurent Bigot, „THz photonics-based transmitter using multicore fiber combined with UTC-PD array for high data transmission in 300 GHz band,“ Proc. SPIE 12134, Terahertz Photonics II, 121340A (31 May 2022);
  https://www.spiedigitallibrary.org/conference-proceedings-of-spie/12134/121340A/THz-photonics-based-transmitter-using-multicore-fiber-combined-with-UTC/10.1117/12.2621614.short#_=_

September 2021

• Tebart et al., “Mobile Terahertz 6G Communications Enabled by Integrated Photonic-Assisted Beam Steering Antennas,” 2021 European Conference on Optical Communication (ECOC). IEEE, Sep. 13, 2021. doi: 10.1109/ecoc52684.2021.9605939.
  https://ieeexplore.ieee.org/document/9605939

August 2021