Terahertz Photonics Laboratory

of Center of Physical Sciences and Technologies (FTMC)

Publications

2024

  • Jorudas, J.; Rehman, H.; Cojocari, M.; Pashnev, D.; Urbanowicz, A.; Kašalynas, I.; Bertoni, B.; Vicarelli, L.; Pitanti, A.; Malykhin, S.; et al. Ultra-Broadband Absorbance of Nanometer-Thin Pyrolyzed-Carbon Film on Silicon Nitride Membrane. Nanotechnology 2024, 35, 305705, doi:10.1088/1361-6528/ad4157.
  • Orlov, S.; Ivaškevičiūtė‐Povilauskienė, R.; Mundrys, K.; Kizevičius, P.; Nacius, E.; Jokubauskis, D.; Ikamas, K.; Lisauskas, A.; Minkevičius, L.; Valušis, G. Light Engineering and Silicon Diffractive Optics Assisted Nonparaxial Terahertz Imaging. Laser Photon. Rev. 2024, 18, doi:10.1002/lpor.202301197.
  • Shuba, M. V.; Seliuta, D.; Abramova, V. Standing Wave Pattern Suppression in the Terahertz Frequency Domain Spectroscopy by Means of Windowed Fourier Filtering. J. Infrared, Millimeter, Terahertz Waves 2024, 45, 337–348, doi:10.1007/s10762-023-00964-9.
  • Shuba, M. V.; Valušis, G.; Saroka, V.A. Ultraviolet π-Plasmon Contribution to the Transverse Optical Response of Doped Single-Walled Carbon Nanotubes. Phys. Rev. B 2024, 109, 165409, doi:10.1103/PhysRevB.109.165409.
  • Wahaia, F.; Kašalynas, I.; Karaliūnas, M.; Urbanowicz, A.; Seifert, B.; Valušis, G.; Ferraro, V. Effect of Bone Age and Anatomy on the Variability of the Bovine Bone By-Product by Terahertz Time-Domain Spectroscopy and Energy-Dispersive X-Ray Microanalysis. Food Biosci. 2024, 59, 103978, doi:10.1016/j.fbio.2024.103978.

2023

  • Janonis, V.; Kacperski, J.; Selskis, A.; Balagula, R.M.; Prystawko, P.; Kašalynas, I. Directive and Coherent Thermal Emission of Hybrid Surface Plasmon-Phonon Polaritons in n-GaN Gratings of Linear and Radial Shapes. Opt. Mater. Express 2023, 13, 2662, doi:10.1364/OME.494777.
  • Urbonis, D.; Ragulis, P.; Šlekas, G.; Kamarauskas, A.; Seliuta, D.; Kancleris, Ž. Symmetric and Asymmetric Fano Resonances in a Broken Axial Symmetry Metasurface of Split Ring Resonators. J. Appl. Phys. 2023, 134, doi:10.1063/5.0167509.
  • Čižas, V.; Alexeeva, N.; Alekseev, K.N.; Valušis, G. Coexistence of Bloch and Parametric Mechanisms of High-Frequency Gain in Doped Superlattices. Nanomaterials 2023, 13, 1993, doi:10.3390/nano13131993.
  • Ayyagari, S.R.; Indrišiūnas, S.; Kašalynas, I. Hybrid Multiphase Fresnel Lenses on Silicon Wafers for Terahertz Frequencies. IEEE Trans. Terahertz Sci. Technol. 2023, 13, 231–236, doi:10.1109/TTHZ.2023.3263638.
  • Balagula, R.M.; Subačius, L.; Prystawko, P.; Kašalynas, I. Electro-Optical Modulation of Terahertz Beam by Drifting Space-Charge Domains in n-GaN Epilayers. J. Appl. Phys. 2023, 133, doi:10.1063/5.0152661.
  • Grigelionis, I.; Čižas, V.; Karaliūnas, M.; Jakštas, V.; Ikamas, K.; Urbanowicz, A.; Treideris, M.; Bičiūnas, A.; Jokubauskis, D.; Butkutė, R.; et al. Narrowband Thermal Terahertz Emission from Homoepitaxial GaAs Structures Coupled with Ti/Au Metasurface. Sensors 2023, 23, 4600, doi:10.3390/s23104600.
  • Ivaškevičiūtė-Povilauskienė, R.; Čižas, V.; Nacius, E.; Grigelionis, I.; Redeckas, K.; Bernatonis, M.; Orlov, S.; Valušis, G.; Minkevičius, L. Flexible Terahertz Optics: Light Beam Profile Engineering via C-Shaped Metallic Metasurface. Front. Phys. 2023, 11, doi:10.3389/fphy.2023.1196726.
  • Leitenstorfer, A.; Moskalenko, A.S.; Kampfrath, T.; Kono, J.; Castro-Camus, E.; Peng, K.; Qureshi, N.; Turchinovich, D.; Tanaka, K.; Markelz, A.G.; et al. The 2023 Terahertz Science and Technology Roadmap. J. Phys. D. Appl. Phys. 2023, 56, 223001, doi:10.1088/1361-6463/acbe4c.

2022

  • Jorudas, J.; Pashnev, D.; Kašalynas, I.; Ignatjev, I.; Niaura, G.; Selskis, A.; Astachov, V.; Alexeeva, N. Green Removal of DUV-Polarity-Modified PMMA for Wet Transfer of CVD Graphene. Nanomaterials 2022, 12, 4017, doi:10.3390/nano12224017.
  • Ivaškevičiūtė-Povilauskienė, R.; Kizevičius, P.; Nacius, E.; Jokubauskis, D.; Ikamas, K.; Lisauskas, A.; Alexeeva, N.; Matulaitienė, I.; Jukna, V.; Orlov, S.; et al. Terahertz Structured Light: Nonparaxial Airy Imaging Using Silicon Diffractive Optics. Light Sci. Appl. 2022, 11, 326, doi:10.1038/s41377-022-01007-z.
  • Tamošiūnas, V.; Minkevičius, L.; Bučius, I.; Jokubauskis, D.; Redeckas, K.; Valušis, G. Design and Performance of Extraordinary Low-Cost Compact Terahertz Imaging System Based on Electronic Components and Paraffin Wax Optics. Sensors 2022, 22, 8485, doi:10.3390/s22218485.
  • Šermukšnis, E.; Jorudas, J.; Šimukovič, A.; Kovalevskij, V.; Kašalynas, I. Self-Heating of Annealed Ti/Al/Ni/Au Contacts to Two-Dimensional Electron Gas in AlGaN/GaN Heterostructures. Appl. Sci. 2022, 12, 11079, doi:10.3390/app122111079.
  • Kamarauskas, A.; Seliuta, D.; Šlekas, G.; Sadauskas, M.; Kvietkauskas, E.; Trusovas, R.; Ratautas, K.; Kancleris, Ž. Experimental Demonstration of Multiple Fano Resonances in a Mirrored Array of Split-Ring Resonators on a Thick Substrate. Sci. Rep. 2022, 12, 15846, doi:10.1038/s41598-022-20434-x.
  • Balagula, R.M.; Subačius, L.; Prystawko, P.; Kašalynas, I. Electro-Optical Modulation of Terahertz Beam by Drifting Space-Charge Domains in n-GaN Epilayers. J. Appl. Phys. 2023, 133, doi:10.1063/5.0152661.
  • Pashnev, D.; Korotyeyev, V. V.; Jorudas, J.; Urbanowicz, A.; Prystawko, P.; Janonis, V.; Kasalynas, I. Investigation of Electron Effective Mass in AlGaN/GaN Heterostructures by THz Spectroscopy of Drude Conductivity. IEEE Trans. Electron Devices 2022, 69, 3636–3640, doi:10.1109/TED.2022.3177388.
  • Čižas, V.; Subačius, L.; Alexeeva, N. V.; Seliuta, D.; Hyart, T.; Köhler, K.; Alekseev, K.N.; Valušis, G. Dissipative Parametric Gain in a GaAs/AlGaAs Superlattice. Phys. Rev. Lett. 2022, 128, 236802, doi:10.1103/PhysRevLett.128.236802.
  • Balagula, R.M.; Subačius, L.; Jorudas, J.; Janonis, V.; Prystawko, P.; Grabowski, M.; Kašalynas, I. High-Frequency and High-Power Performance of n-Type GaN Epilayers with Low Electron Density Grown on Native Substrate. Materials (Basel). 2022, 15, 2066, doi:10.3390/ma15062066.
  • Jorudas, J.; Prystawko, P.; Šimukovič, A.; Aleksiejūnas, R.; Mickevičius, J.; Kryśko, M.; Michałowski, P.P.; Kašalynas, I. Development of Quaternary InAlGaN Barrier Layer for High Electron Mobility Transistor Structures. Materials (Basel). 2022, 15, 1118, doi:10.3390/ma15031118.
  • Ivaškevičiūtė-Povilauskienė, R.; Paddubskaya, A.; Seliuta, D.; Jokubauskis, D.; Minkevičius, L.; Urbanowicz, A.; Matulaitienė, I.; Mikoliūnaitė, L.; Kuzhir, P.; Valušis, G. Advantages of Optical Modulation in Terahertz Imaging for Study of Graphene Layers. J. Appl. Phys. 2022, 131, doi:10.1063/5.0074772.