We demonstrate a hermetically sealed packaging system for integrated photonic devices at
cryogenic temperatures with plug-and-play functionality. This approach provides the ability …

We demonstrate electromechanical coupling between a superfluid mechanical mode and a
microwave mode formed by a patterned microfluidic chip and a 3D cavity. The electric field …

An accelerated observer moving through empty space sees particles appearing and
disappearing, while an observer with a constant velocity does not register any particles. This …

In recent years, nanomechanical oscillators in thin films of superfluid helium have attracted
attention in the field of optomechanics due to their exceptionally low mechanical dissipation …

This study investigates the theoretical aspects of the interaction between photons with mass
and a mechanical oscillator as drawn within the framework of cavity optomechanics. The …

Superfluid helium, the inviscid low-temperature phase of liquid\4He, enables investigation of
flows with reduced dimensionality since, due to the vanishing viscosity, sub-micron flow …

In this chapter, we provide an overview of Brillouin scattering from a quantum fluid,
superfluid helium. Its vanishing viscosity at low temperatures, combined with other extreme …

This report covers the bulk of work in the PhD's third year. Covering technical development
of the experimental dilution fridge platform, with focus on the microwave measurement …