Automated nanoparticle loading
Levitation optomechanics systems consist of a nanoparticle that is optically trapped and levitated by a focused laser beam under vacuum conditions. The aim of this project is to design and build a reliable and automated nanoparticle loading process that can be triggered remotely.
High photoluminescence quantum yield in 2D materials
Transition metal dichalcogenides (TMDs) are a group of layered materials. In their monolayer form they have a direct bandgap. This allows to obtain a sizable coupling of light to the material. Here, the goal is to extend measurements to other TMD monolayers as well as to hexagonal boron nitride.
Self-induced back action trapping
Self-induced backaction (SIBA) trapping is a concept developed in optics for trapping of polarizable particles [1,2]. The goal of this project is the analyze, design and characterize an electromechanical analog of SIBA trapping.
Integrated photonics with 2D materials
2D materials are a group of layered materials that show great potential for on-chip optoelectronic devices. The unique feature of these materials is the possibility to assemble different 2D materials into a vertical heterostructure to form light emitting devices and high-speed photodetectors.
Tweezer arrays for quantum optomechanics
Optomechanics with levitated nanoparticles is a fast-growing field in physics which has recently shown promise towards investigating macroscopic quantum physics. The next generation of experiments, such as probing quantum entanglement and self-organisation, will rely on scaling up the system.
Power spectral density of SiN3 membrane
The thermally driven fluctuations of a suspended membrane define a time-continuous stationary signal. In this project, a compact setup will be developed to measure the position fluctuations of the membrane and to record its power spectral density (PSD).

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