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Building a pump-probe setup
The lab construction from scratch: installation of dark room (top), optical table (bottom)
A snapshot of a part of the optical setup during measurements
A simplified sketch of the optical setup capable to probe degenerate and non-degenerate pump-probe spectrscopy via time-resolved refelctivity and Kerr, as well as polarization-resolved photoluminescence.
Nanofabrication of complex heterostructures
A mastertape with 2D crystals.
Mechanical exfoliation using scotch tape.
Electrical connections are made through wire bonding.
Multilayer van der Waals heterostructure under optical microscope. Each coloured region is a different 2D material, stacked with nanometer precision (cartoon on the left side).
A device ready for cryogenic measurements.
Suspended 2D membranes for strain engineering
A strainig device image (left) and its schematic represtnation (right). An applied gate voltage between Si and Au deflects the suspended membrane downward, inducing strain.
Sometimes the devices do not like large electrical shock!
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