A recent renaissance in Brillouin scattering research has been driven by the increasing
maturity of photonic integration platforms and nanophotonics. The result is a new breed of …

The exponential growth of information stored in data centers and computational power
required for various data-intensive applications, such as deep learning and AI, call for new …

Radio-frequency communication systems have long used bulk-and surface-acoustic-wave
devices supporting ultrasonic mechanical waves to manipulate and sense signals. These …

The Year 2022 marks 100 years since Leon Brillouin predicted and theoretically described
the interaction of optical waves with acoustic waves in a medium. Accordingly, this resonant …

The exotic physics emerging in non-Hermitian systems with balanced distributions of gain
and loss has recently drawn a great deal of attention. These systems exhibit phase …

Brillouin scattering is an important and interesting nonlinear effect involving the interaction
between optical and acoustic fields in optical waveguides. It is increasingly useful in the field …

Piezoelectric acoustic devices that are integrated with semiconductors can leverage the
acoustoelectric effect, allowing functionalities such as gain and isolation to be achieved in …

Opto-mechanical interactions in planar photonic integrated circuits draw great interest in
basic research and applications. However, opto-mechanics is practically absent in the most …

High-index-contrast optical waveguides are crucial for the development of photonic
integrated circuits with complex functionalities. Despite many similarities between optical …

Refractive index fronts propagating in waveguides are special spatiotemporal perturbations.
The interaction of light with such fronts can be described in terms of an indirect transition …