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Audrius DubietisView profile

Professor

• Ultrafast nonlinear optics
• Laser-matter interaction
• Femtosecond filamentation
• +3 more

Audrius Dubietis serves as Professor and Lead research scientist at Vilnius University's Laser Research Center (LRC), Faculty of Physics. He currently directs the Excellence Center of Advanced Light Technologies, a major national initiative funded by the Ministry of Education, Science and Sports of Lithuania with a 5.5 million Euro budget (2023-2027), and leads the FEMTOLAMA project on high repetition rate femtosecond laser-matter interactions. Dubietis specializes in ultrafast nonlinear optics, with research spanning laser-matter interaction, femtosecond filamentation, and supercontinuum generation in solid-state media. His pioneering work on table-top optical parametric chirped pulse amplifiers has advanced the field over three decades. His theoretical framework for understanding light bullets in Kerr media (Physical Review Letters 112, 193901, 2014) represents a significant contribution to nonlinear optics. Current research focuses on high repetition rate supercontinuum generation using burst-mode femtosecond lasers, with particular emphasis on comparative studies across crystalline materials to optimize performance for specific applications. Analysis of his recent publication record reveals a strategic shift toward practical applications of supercontinuum sources, with increasing attention to thermal management in high repetition rate systems and development of robust, turnkey solutions for industrial and scientific use. His work bridges fundamental nonlinear optics with practical engineering considerations. National Science Prize (2004, 2019) Vilnius University Rectors prize for the best publication in physical sciences (2014) Vilnius University Rectors prize for scientific achievements (2009, 2018) Dubietis has supervised eight doctoral students through completion, with research spanning spatiotemporal light bullets, parametric interactions for ultrashort pulse generation, and supercontinuum generation in novel materials. His research program maintains strong international collaboration, particularly with Ecole Polytechnique (France), and includes significant funding from the Lithuanian Science Council. He serves on the editorial board of the Lithuanian Journal of Physics and was Lead guest editor for the Journal of the Optical Society of America B feature issue on Supercontinuum generation (2019). As a member of the Lithuanian Academy of Sciences since 2019, Dubietis plays a pivotal role in advancing laser science in Lithuania. He teaches core courses in Laser Physics (undergraduate), Nonlinear Optics (graduate), and Modern Optics and Spectroscopy (PhD program), while maintaining active engagement with the public through popular science lectures and his Lithuanian-language book 'Nuostabusis švytėjimas: padangių fizika be formulių' (2014).

• Semiconductor Physics
• Nanotechnology
• Materials Science
• +5 more

Dr. Kazimieras Badokas serves as a Researcher at Vilnius University's Institute of Photonics and Nanotechnology (IPN), specializing in semiconductor epitaxy and graphene transfer technologies. His work bridges fundamental materials science with applied biomedical innovations, contributing to both academic and industrial advancements in nanotechnology. His primary research focuses on Metalorganic Vapor Phase Epitaxy (MOVPE) of III-V semiconductors, particularly gallium nitride (GaN) growth via graphene layers and remote epitaxy techniques. Recent work extends into antimicrobial applications, including photodynamic therapy for biofilm inactivation and nanoparticle-based bacterial deactivation using magnetic fields. This dual trajectory demonstrates exceptional interdisciplinary collaboration across physics, materials engineering, and microbiology. Analysis of his 15 most recent publications reveals dominant themes in semiconductor materials (75% of output), emphasizing GaN-graphene heterostructures and epitaxial growth mechanisms, while 25% explores biomedical applications targeting bacterial pathogens. Key methodologies include MOVPE optimization, laser patterning, and nanoparticle synthesis, with consistent emphasis on practical device implementation. His scientific recognition includes: INFOBALT award for scientific research Lithuanian-American Innovation Award finalist (Top 5) Award of the President of the Republic of Lithuania for technological science excellence Dr. Badokas actively contributes to academic development through bachelor's thesis supervision (e.g., D. Augulis' 2022 work on III-nitride remote epitaxy) and service on the IPN scholarship board. He teaches 'Nano and micro technology,' integrating his research expertise into curriculum development while maintaining active roles in institutional governance and student mentorship. His research operates within the Institute of Photonics and Nanotechnology's infrastructure, leveraging specialized equipment for semiconductor growth, nanomaterial characterization, and biomedical testing, positioning him at the forefront of Lithuania's photonics and nanotechnology research ecosystem.

Kęstutis IkamasView profile

Researcher

• CMOS THz detectors and sources
• THz imaging
• Nanostructures engineering and implementation for THz applications
• +2 more

Dr. Kęstutis Ikamas is a Senior Researcher at the Institute of Applied Electrodynamics and Telecommunications (IAET), Faculty of Physics, Vilnius University. His work focuses on terahertz technology and semiconductor physics, with significant contributions to CMOS-based terahertz detectors and sources, THz imaging systems, and nanostructures engineering for high-frequency applications. Dr. Ikamas specializes in CMOS THz detectors and sources, THz imaging, nanostructures engineering for THz applications, cybersecurity, and ITT technologies. His research bridges fundamental semiconductor physics with practical applications in the terahertz frequency range, which has growing importance in security imaging, non-destructive testing, and high-bandwidth communications. He has developed innovative approaches to terahertz detection using silicon CMOS technology, enabling more accessible and cost-effective terahertz systems. His publication record shows a consistent focus on advancing silicon-based terahertz technology, with particular expertise in field-effect transistor implementations for detection and emission across the 0.1-3 THz frequency range. His work often involves international collaborations with research groups from Germany, France, and other European countries. Scientific awards: 2022 Lithuanian Academy of Sciences, Kazimieras Baršauskas Prize in electronics and electrical engineering for scientific work 'Terahertz electronics: application of plasma waves to the operation of semiconductor devices above the cutoff frequencies' (with Prof. A. Lisauskas) 2021 Best Paper Award of the IEEE Microwave Theory and Techniques Society for 'A High-Sensitivity AlGaN/GaN HEMT Terahertz Detector With Integrated Broadband Bow-Tie Antenna' Dr. Ikamas has supervised student research including Domantas Vizbaras' 2022 thesis on graphene field effect transistor terahertz detector characterization. He led the Agency for Science, Innovation and Technology national research project No. TPP-03-045 'Point-to-point all-electronic 250 GHz source' (2019-2020, 82,000 EUR budget). He served on the NATO Science & Technology Organization Terahertz-band Communications and Networking IST-181 panel from 2019-2022, contributing to international standards development in this emerging field. As part of the Institute of Applied Electrodynamics and Telecommunications, Dr. Ikamas works within a team focused on advancing high-frequency electronics and electromagnetic applications, with strong connections to both academic and industrial partners in Lithuania and across Europe.

• Terahertz electronics
• terahertz monolithic integrated circuits
• field-effect transistors
• +4 more

Professor Alvydas Lisauskas is affiliated with Vilnius University's Faculty of Physics, working at the Institute of Applied Electrodynamics and Telecommunications (IAET). His research spans electrical engineering and physics, with a strong focus on terahertz technologies and semiconductor devices. As a recognized expert in his field, he serves as a member of the Sensors and Electronics Technology panel at the NATO Science and Technology Organization from 2020 to 2023. Dr. Lisauskas specializes in terahertz electronics, terahertz monolithic integrated circuits, field-effect transistors, terahertz imaging, and graphene applications. His research explores the fundamental physics of terahertz radiation detection and generation using semiconductor devices, particularly focusing on plasma wave phenomena in field-effect transistors. His work bridges theoretical physics with practical applications in communication, imaging, and sensing technologies operating in the challenging terahertz frequency range. His publication record shows a consistent focus on advancing terahertz detector technologies, with recent work emphasizing silicon CMOS implementations, graphene applications, and novel antenna designs for improved sensitivity and bandwidth. The research demonstrates strong international collaboration, particularly with French institutions, and addresses both fundamental physics questions and practical engineering challenges in terahertz technology. Scientific Awards: Nominee for Global Lithuania Awards 2020 in the category 'For Solid Voice in Global Science Community' Winner of the 2021 THz Science and Tech. Best Paper Award from IEEE MTT-S Recipient of the Kazimieras Baršauskas Prize in 2022 from the Lithuanian Academy of Sciences Professor Lisauskas has actively supervised doctoral and master's students, including Kestutis Ikamas who completed doctoral research on 'Semiconductor devices for wireless communications at terahertz frequencies' (2014-2018). He leads multiple significant research projects funded by the Research Council of Lithuania and the European Space Agency, including 'Devices with electrically tunable metasurfaces for THz frequency band' and 'Directive transistor-based THz detectors (THzFET)'. His teaching includes Microwave electronics courses. His research group maintains active international collaborations, particularly with French institutions, and regularly presents at major international conferences including IRMMW-THz, ESSDERC, and SPIE Optics and Photonics. The team's work spans theoretical modeling, device fabrication, and practical applications of terahertz technologies.

• Nonlinear Optics
• Laser Micromachining and Nanostructuring
• Laser-induced Breakdown Spectroscopy
• +2 more

Dr. Ona Balachninaitė is an Associate Professor and Senior Researcher at the Laser Research Center (LRC) of Vilnius University. She specializes in nonlinear optics, laser micromachining, and laser-induced breakdown spectroscopy (LIBS), with a focus on material interaction using femtosecond lasers. Her work bridges fundamental research and industrial applications. Scientific leadership in HORIZON-INFRA-2023-SERV-01-03 'LASERS4EU' (2024–present, local coordinator) Local coordinator for HORIZON 2020 LASERLAB-EUROPE (2008–2024) Project leader for 'LAMETECH INFRASTRUKTŪRA' (national program) Her research explores: Laser-induced plasma dynamics across metals, ceramics, and glasses Periodic surface structuring via IR/UV femtosecond pulses Burst mode laser micromachining of conductive materials Terahertz radiation generation in air filamentation Diffraction control of white-light laser filaments Key contributions include developing real-time LIBS monitoring for laser processing in aqueous environments and characterizing nonlinear optical responses in advanced materials. She supervises 1 PhD student and has taught laser technologies courses at Vilnius University since 2015. Her international collaborations include Erasmus+ mobility lectures at Gdansk Technical University (2019) and Coimbra University (2018).

• Physics
• Optics
• Materials Science
• +3 more

Dr. Simas Butkus is a Researcher at the Laser Research Center (LRC) , part of Vilnius University . His work focuses on femtosecond laser micromachining , laser light-matter interaction , and laser beam propagation effects , with applications in materials processing and biomedical engineering. Researcher at Vilnius University since 2014 Specializes in ultrafast laser technologies Research Interests include: Femtosecond laser ablation for metals and transparent materials Surface structuring and selective etching Advanced microfabrication techniques Laser processing of polymers and biocompatible substrates Pulse burst modulation for industrial applications Publications demonstrate expertise in laser-material interactions, spanning topics from high-precision stainless steel marking to 3D scaffold fabrication for medical use, with a focus on transparent materials and micron-scale structuring . Advising : Supervisor of PhD student Evaldas Kažukauskas Advisor for >10 theses

• Light-matter interactions
• nonlinear optics
• ultrafast phenomena
• +3 more

Dr. Viačeslav Kudriašov is a Researcher at the Institute of Theoretical Physics and Astronomy (ITPA) at Vilnius University, specializing in Theoretical Physics and Laser and Optical Physics. Dr. Kudriašov's research focuses on light-matter interactions, nonlinear optics, ultrafast phenomena, coherent matter control, cold atoms, and quantum optics . His work bridges theoretical and experimental approaches to understand complex quantum phenomena in atomic systems and optical materials. He has made significant contributions to the field of spinor slow light, Rydberg atom manipulation, and nonlinear optical phenomena in various materials, often collaborating with leading researchers including G. Juzeliūnas and J. Ruseckas at Vilnius University. Analysis of Dr. Kudriašov's publication record reveals a strong trajectory in quantum optics research spanning over a decade. His work demonstrates consistent advancement in understanding spinor slow light systems and Rydberg atom manipulation using optical vortex fields. The publications show a progression from fundamental theoretical work to increasingly sophisticated experimental implementations, with applications in quantum information processing and precision measurement. His most recent work on Ferris wheel patterning of Rydberg atoms represents cutting-edge research in quantum control techniques.

• Nonlinear Optics
• Digital Holography
• Optical Damage
• +3 more

Dr. Balys Momgaudis is a Researcher at the Laser Research Center (LRC) of Vilnius University , focusing on Nonlinear Optics and Digital Holography . His work investigates optical damage , nonlinear light propagation , and computer modeling of laser-material interactions. His research primarily explores nonlinear refractive index measurements , quantitative assessment of laser-induced fatigue , and energy absorption mechanisms in materials like fused silica , sapphire , and metal oxide optical coatings using advanced time-resolved digital holography techniques. Key publication areas: Optics Express , Optics Continuum , Optics Letters Teaching: Basics of Laser Applications in Medicine, Diagnostics, and Material Processing , and Solid State Lasers (starting 2023 fall) Supervision: Mentored one Bachelor’s thesis and currently supervising another

• Laser physics
• Material processing using lasers
• Multiphoton polymerization
• +4 more

Dr. Sima Paipulienė is a Senior Researcher and Assistant Professor at the Laser Research Center (LRC), Vilnius University. Her research is centered on laser physics, with a focus on material processing using lasers, multiphoton polymerization, photopolymer materials, regenerative medicine, and the development of polymeric microsensors and hybrid glass-polymer devices. Research Interests: Laser-based material processing Multiphoton polymerization techniques Photopolymer materials for biomedical applications Regenerative medicine and tissue engineering Microsensor and microactuator development Hybrid glass-polymer photonic devices Her work bridges fundamental laser physics with applied photonics and biomedicine, contributing to advancements in microfabrication, regenerative technologies, and optical sensing. Scientific Awards: Lithuanian Academy of Sciences Young Scientist Scholarship (2017–2018) Lithuanian Academy of Sciences Young Scientist Scholarship (2020–2021) Lithuanian Academy of Sciences Young Scientists’ and Doctoral Students’ Research Competition Award (2019) Dr. Paipulienė has an extensive publication record, with recent work focusing on carrier dynamics in InGaN quantum wells, laser-induced material modifications, and advanced photopolymer systems. Her research is published in high-impact journals and reflects a strong interdisciplinary approach combining physics, materials science, and biomedical engineering.

• Semiconductor characterization
• Time-resolved pump-probe techniques
• Photoconductivity
• +4 more

Patrik Ščajev is a Senior Researcher at the Institute of Photonics and Nanotechnology , Vilnius University. His work focuses on semiconductor characterization using advanced optical techniques like pump-probe spectroscopy, photoconductivity, and photoluminescence. Key research areas include: Germanium-tin compounds for infrared applications Perovskite semiconductors for photovoltaic and optoelectronic devices Laser material processing and optical fiber characterization He has led multiple EU-funded projects such as: STRAPER : Spectrally and Temporally Resolved Absorption and Photoluminescence Electro-optic Recorder GeSen : GeSn-based photodetector development Ščajev has supervised 1 PhD student and 3 master's/bachelor's theses. His recent publications emphasize: Carrier dynamics in novel semiconductors Optical parametric generation systems Advanced laser processing techniques