Germanium has long been regarded as a promising laser material for silicon based opto-
electronics. It is CMOS-compatible and has a favourable band structure, which can be tuned …

Mechanical resonators with high quality factors are widely used in precision experiments,
ranging from gravitational wave detection and force sensing to quantum optomechanics …

Silicon photonics in the near-IR, up to 1.6 µm, is already one of key technologies in optical
data communications, particularly short range. It also is being prospected for applications in …

We introduce a novel method to geometrically tune the tension in prestrained resonators by
making Si3N4 strings with a designed predisplacement. This enables us, for example, to …

The strain technology is accelerating the progress on the CMOS compatible Ge-on-Si laser
source. Here, we report a monolithically integrated microbridge-based emitting-detecting …

Efficient and cost-effective Si-compatible lasers are a longstanding wish of the
optoelectronic industry. In principle, there are two options. For many applications, lasers …

Achieving both ultrahigh quality Q and high frequency simultaneously in mechanical
resonators is challenging due to the positive correlation between loss and frequency …

Position measurements of mechanical oscillators underpin experiments spanning from
applied nanoscale sensing to endeavors aiming to resolve open fundamental problems of …

Strain engineering is a key technology to continue Moore's law with silicon or any other
foreseen semiconductor in very large scale integration. The characterization of strain in …

The invention relates to a semiconductor structure, includ ing: a semiconductor layer,
including a membrane suspended above a carrier layer, the suspended membrane being …