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Start time: 2025-12-11 14:00
End time: 2025-12-11 15:00

The emerging field of Quantum Machine Learning (QML) lies at the intersection of quantum computing and advanced data analysis, offering the potential to fundamentally transform the way complex computational problems are addressed. During the presentation, attendees will be introduced to the core principles of quantum computing, including qubits and the structure of quantum circuits.

Start time: 2025-11-27 14:00
End time: 2025-11-27 16:00

Point defects are atomic-scale imperfections in otherwise periodic crystals that strongly influence the electrical and optical properties of semiconductors. Once regarded as undesirable, these defects have become key building blocks of emerging quantum technologies, enabling applications in sensing, communication, and information processing.

Start time: 2025-11-04 14:00
End time: 2025-11-04 16:00

On November 4 at 2:00 PM in room LRC 306

Speaker: Prof. Yuri Gordienko (National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” Ukraine)

Title: 3D Structure Manufacturing of Functionalized Optical Micro-Systems for AI-based Machine Vision Systems

Abstract:

The research aims to develop and validate 3D-manufacturing techniques for the integration of functionalized optical micro-systems directly on top of low-cost CMOS camera sensors, thus bridging the gap between high-performance optical microsystems and mass-market imaging technologies. The research embraces the following core aspects: design and fabrication of 3D micro-optical components (filters, lenses, metasurfaces, etc) using additive and hybrid lithographic processes; functionalization of these micro-structures by specialized processing, materials and their combinations (enabling illumination control, wavelength selectivity, etc.); integration with low-cost CMOS sensors (e.g., from smartphone cameras or industrial vision modules) using scalable alignment and bonding methods compatible with semiconductor packaging; and targeting for the functional prototypes for key use-cases (micro-robotic vision, bio-sensing, environmental monitoring, hyperspectral imaging, etc.). 

Start time: 2025-11-26 16:00
End time: 2025-11-26 17:00

On 26 November at 16:00 in room A101 at NFTMC

Speaker: Dr Adam Benjamin Morris (CERN, LHCb Experiment)

Abstract:

Computing is an integral part of modern high-energy physics experiments, and the required 
computing power grows rapidly with the volume and complexity of the data. This talk will give a pedagogical overview of the concepts and current state-of-the-art of computing at the LHC. It will also cover recent innovations, the challenges posed by the upcoming high-luminosity upgrade, and what the future may look like for the field.

Start time: 2025-12-05 15:00
End time: 2025-12-05 17:00

Jonas Banys, PhD student at Vilnius University, 5 December 2025, 15:00, at 306 auditorium, the VU FF Laser Reasearch Center (Saulėtekio ave. 10), Vilnius), will be defending his PhD thesis „Investigation of Optical Parametric Light Sources Pumped by the Subnanosecond Microlaser Pulses“. Supervisor - doc. dr. Vygandas Jarutis.

The defence will be held in Lithuanian.

Start time: 2025-12-12 14:00
End time: 2025-12-12 16:00

Vytautas Bubilaitis, PhD student at Vilnius University, 12 December 2025, 14:00, at A101 auditorium, the National Center for Physical Sceinces and Technology (Saulėtekio ave. 3), Vilnius), will be defending his PhD thesis "Spectral characteristic of molecular aggregates at various intensities of optical fields". Supervisor - prof. dr. Darius Abramavičius.

The defence will be held in English.

Start time: 2025-12-15 14:00
End time: 2025-12-15 16:00

Jakov Braver, PhD student at Vilnius University, 15 December 2025, 14:00, at A101 auditorium, the National Center for Physical Sceinces and Technology (Saulėtekio ave. 3), Vilnius), will be defending his PhD thesis „Topological Phenomena In Driven Quantum Gases“. Supervisor - prof. dr. Egidijus Anisimovas.

The defence will be held in English.

Start time: 2025-10-29 10:00
End time: 2025-10-29 12:00

On October 29 at 10:00 AM in A101 aud. (National Center for Physical and Technological Sciences, Saulėtekio ave. 3), Professor Jian-Jang Huang will give a public lecture "Nitride-based transistors – from lateral to vertical structure". He is a Distinguished Professor and Associate Dean of the College of Electrical Engineering and Computer Science, Graduate Institute of Photonics and Optoelectronics (GIPO), Department of Electrical Engineering National Taiwan University.

Start time: 2025-12-01 16:00
End time: 2025-12-01 17:00

On 1 December at 16:00 in A101 aud. (National Center for Physical and Technological Sciences, Saulėtekio ave. 3), Dr Jascha Peter Grabowsky will give a public lecture "Guiding Beams and Twisting Spins: The Precision Channeling Studies of TWOCRYST and ALADDIN". He is a particle physicist and a long-standing member of the LHCb experiment.

Start time: 2025-10-20 17:00
End time: 2025-10-20 19:00

The VU FF 60th Anniversary Quiz will take place on 20 October at 17:00 in the NFTMC foyer (lobby). The Quiz will be held in English.

Registration is closed.

Start time: 2025-11-07 14:00
End time: 2025-11-07 16:00

On November 7 at 14:00, a public scientific seminar entitled "From Light to Structural Architectures: Additive Manufacturing of Inorganic Materials at the Micro–Nano Scale" will be held in Auditorium 306 of the Laser Research Center at the VU Faculty of Physics.

The seminar will be led by Dr Arturo Susarrey-Arce from the University of Twente in the Netherlands. The seminar will be held in English.

Abstract

3D printing, also known as additive manufacturing (AM), is revolutionizing the way we fabricate three-dimensional objects by depositing materials layer by layer according to digital designs. Unlike traditional subtractive techniques, AM offers distinct advantages such as minimized material waste, provides additional design freedom, and the ability to produce highly complex geometries.

This seminar will focus on AM of micro- and nanometric inorganic architectures—particularly glass and ceramics. Special attention will be given to two-photon lithography (TPL), a high-resolution technique that enables the fabrication of intricate three-dimensional architectures with sub-micrometer precision.

We will explore the morphological, structural, and chemical characteristics of these printed architectures, along with their optical functionalities. In particular, the incorporation of lanthanide dopants such as europium will be discussed as a route to achieve tunable luminescent properties.

In addition, the presentation will provide an overview of micro- and nanofabrication research at the University of Twente, highlighting examples such as fractal-inspired architectures for biology and functional designs for electrochemical systems.

About lecturer:

Arturo Susarrey-Arce received his B.Sc. in Chemistry and M.Sc. in Materials Sciences in Mexico. He earned his Ph.D. from the University of Twente, specializing in micro(nano)fabrication and microreactor technologies for electric field driven-catalysis. He conducted two postdoctoral research at the University of Liverpool (UK) and Chalmers University of Technology (SWE). He later became an Assistant Professor at the University of Twente. His research focuses on micro/nanofabrication and 3D-printing of glass and ceramics for optics and health, as well as structural (photo)electrocatalysis for environmental remediation and energy.

Start time: 2025-10-20 09:00
End time: 2025-10-21 16:30

Vilnius University (VU) invites pupils and anyone interested in studying to take part in its traditional event “Student for a Day” taking place from 20 to 24 October. Participants will have a unique opportunity to explore VU’s study programmes, University spaces, and vibrant community, as well as to experience what it is like to be a student.

Prospective participants are encouraged to register responsibly – due to limited capacity, it is recommended to choose no more than five sessions. All activities are scheduled in Lithuanian time. The registration link to our Faculty's lectures can be found here.

Start time: 2025-09-24 13:00
End time: 2025-09-24 14:30

Faculty's Laser Research Center invites you to an open lecture by guest lecturer prof. Georg von Freymann. This lecture will analyse quantum processes and raise questions about using laser technologies in quantum technologies.

When? 24 September 13:00 

Where? 306 aud. at Laser Research Center (Saulėtekio av. 10)

"Photonic quantum simulation: Limits and switching of topological protection and the influence of higher orbitals in coupled waveguide systems"

Abstract (find references here):

Applications of quantum technology are highly sought-after and thus supported by public funding agencies. However, the meaning of application varies depending on who you talk to: In the physics community application often means a useful laboratory implementation, while from an industrial perspective, application means solving a measurement problem in production or even creating a saleable product.

To address the physics perspective, I will discuss 3D µ-printed photonic quantum simulators based on coupled waveguide system, focusing on topological protection and Floquet (time-periodic) driving. Such experimental model systems allow for studying these phenomena under very well controlled conditions. Examples are periodic driving of topologically protected edge modes in the one-dimensional Su-Schrieffer-Heeger-chain leading to depopulation of the edge mode despite topological protection [1], periodic driving of two-dimensional honey-comb-lattices establishes topological protection in an otherwise topologically trivial model system [2], switching of topological protection via excitation with and without orbital angular momentum of light [3], and establishing higher-order topological insulators using p-orbitals of the waveguides [4].
From the industry perspective I will discuss recent results for a orbital-angular-momentum mode multiplexer/demultiplexer [5].

Start time: 2025-09-24 18:00
End time: 2025-09-24 22:00

VU Student's Representatives at the Faculty of Physic's invites everyone to the community evening.  

Students promise you free drinks, food, good music, lots of activities, a chess tournament, other activities.
 

The evening will take place at Saulėtekio av. 9, backyard (marked red), on September 24th at 6:00 PM.

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Start time: 2025-09-25 15:00
End time: 2025-09-25 16:00

On 25 September at 15:00, in the Great Physics Auditorium (Faculty of Physics, VU, Saulėtekio av. 9), famous astronomer Vicent Martinez, professor at the University of Valencia and director of the Astronomical Observatory of the University of Valencia Prof. Vicent J. Martínez will give a public lecture "What Killed the Dinosaurs? And Other Science Stories You Were Wrongly Told".

Start time: 2025-11-04 15:00
End time: 2025-11-04 16:00

On November 4 at 15:00, in A101 aud. (National Center for Physical and Technological Sciences, Saulėtekio ave. 3), Begoña Vila, Doctor of Astrophysics and NASA Instrument Systems Engineer, will give a public lecture "Two Wonderful Space Telescopes to Explore the Universe: James Webb and Nancy Grace Roman."

In her lecture, the scientist will discuss the projects she is contributing to—the James Webb Space Telescope and the Nancy Grace Roman Space Telescope—the challenges of working on missions of such scale and importance, their advanced technologies, and the opportunities they open up for science.

Dr Begoña Vila has been working on the James Webb Space Telescope since 2006 initially in Canada for the Fine Guidance Sensor & Near-Infrared Imager & Slitless Spectrograph (FGS/NIRISS) and since 2013 at NASA as Systems Lead for FGS/NIRISS and as Deputy for Operations of the JWST Science Instruments. She is also part of the Systems team on the Nancy Grace Roman Space Telescope and is the test director lead for its Thermal Vacuum test and co-lead on its Fine Guidance Sensor. She has received various achievement awards including the NASA Exceptional Public Achievement Medal in 2016, the NASA Exceptional Public Service Medal in 2022 and various awards in Spain.

Partners of the event: Embajada de España en Lituania, International Astronomical Union (IAU), European Association for Astronomy Education (EAAE).

Start time: 2025-11-28 11:00
End time: 2025-11-28 13:00

On November 28 at 11:00, in the Main Hall of the Research Council of Lithuania (Gediminas ave. 3, Vilnius), Ana Ulla, Professor at the University of Vigo and Member of the Gaia Data Processing and Analysis Consortium (DPAC) Consortium Team, will give a public lecture "GAIA: A Wealth of Galactic Achievements".

Abstract

The ESA Gaia mission, launched in 2013 and operated until its passivation in 2025, has produced the most precise and extensive astrometric survey to date, delivering positions, parallaxes, proper motions, multi-band photometry and spectroscopy for almost two thousand million Galactic and extragalactic sources. With parallax precisions reaching a few tens of microarcseconds for bright stars and homogeneous BP/RP and RVS spectroscopic data, Gaia has transformed studies of stellar evolution, Galactic structure, star clusters, binary populations and the cosmic distance scale. Previous public data releases culminated in DR3 (2022), which provided enhanced astrophysical parameters, variability characterisation and large spectroscopic samples. The forthcoming DR4 (expected for 2026) and final all-mission DR5 (~2030) will refine astrometric accuracy, extend epoch photometry and spectroscopy, and deliver the definitive Gaia catalogue. Together, these releases ensure Gaia’s long-term legacy as a cornerstone dataset for modern astrophysics, Galactic archaeology and cosmology.

Prof. Dr Ana Ulla  holds a degree in Physical Sciences, specializing in Astrophysics. Her research lines include late stages of stellar evolution, exoplanets, astrobiology, and cultural astronomy, among others. She is a researcher in the GEOMA group at the Marine Research Center (CIM), and also collaborates with the Galician Group for the Gaia satellite (GGG) of ESA, preparing satellite data archives and supporting their scientific exploitation. 

Dr A. Ulla have been involved in the project since 2006. Now, with the end of Gaia’s scientific observations, Ulla’s data processing work has intensified – researchers are working hard on producing the 4th data catalogue, which will likely be released in 2026 and will include objects across all categories—from Solar System bodies to exoplanets and distant galaxies.

Partners of the event: VU Faculty of Physics, Embajada de España en Lituania, International Astronomical Union (IAU), European Association for Astronomy Education (EAAE), Research Council of Lithuania (LMT).

Start time: 2025-09-05 13:00
End time: 2025-09-05 22:00

 

The Vilnius University Students' Representation (VU SR) is organizing a festival where you can feel the true student spirit through a contact fair with student initiatives operating at the university, discussions on topics relevant to students, a closing concert, and much more.
 
Entry is free.
 
The event will be photographed and filmed.
 
The event is organized by the Vilnius University Students' Representation (VU SR) together with Vilnius University.

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