Department of Complex Matter
Jamova cesta 39, 1000 Ljubljana, Slovenia

Dynamics of Quantum matter

We explore non-equilibrium many-body dynamics in quantum systems that experience symmetry-breaking, topological, or jamming transitions. These systems encompass superconductors, charge-density wave, and magnetic materials.

Experimental Soft Matter Physics

The research is conducted within the “Light and Matter” research program. The interaction of light with matter is one of the most important fields of physics and optical processes are indispensable in many branches of modern industry.

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February 6, 2024
The absence of efficient light modulators for extreme ultraviolet - EUV and X-ray photons considerably limits their real-life application, particularly when even slight complexity of the beam patterns is required. In ...

Home / Projects / Ongoing / Single-flux-quantum controlled charge configurational memory (CCM) devices

Single-flux-quantum controlled charge configurational memory (CCM) devices

J7-3146 | 1.10.2021 – 30.9.2024
Dragan D. Mihailović

The focus of the project is to design, construct, demonstrate and characterize the operation of a new type of a quantum memory device targeted for application in cryogenic controllers and error-correction circuits in quantum computers. It is based on a patented, award-winning hybrid device called a parallelotron (pTron), comprising a non-volatile ultra-efficient charge configuration memory (CCM) memristive element and a superconducting nanocryotron (nTron) driver in parallel to the CCM. The purpose of the nTron driver is to allow the CCM device to be triggered and controlled by one or a few flux-quantum-level signal outputs from superconducting flux quantum (SFQ) circuits. The experimental research program is designed to follow theoretical predictions and will include everything from nanofabrication of superconducting NbTiN nanowire nTrons, TaS2-based CCMs and hybrid pTron devices. The goal of the project is to understand the basic physics of operation, optimize fabrication techniques and design parameters, present systematic measurements of performance and finally, to produce a demonstration chip that can be used to evaluate the pTron device in cryocumputing applications.

Figure 1: A superconducting nanowire in parallel bonding with a CCM element

Figure 2: NTron and CCM in parallel connection

More details on SICRIS

The research project is (co)financed by the Slovenian Research and Innovation Agency.