The commercial success of radio-frequency acoustic filters in wireless communication
systems has launched aluminum nitride (AlN) as one of the most widely used …

Integrated photonics based on silicon has drawn a lot of interests, since it is able to provide
compact solution for functional devices, and its fabrication process is compatible with the …

Optomechanical cavities have been studied for applications ranging from sensing to
quantum information science. Here, we develop a platform for nanoscale cavity …

Achieving non-reciprocal light propagation via stimuli that break time-reversal symmetry,
without magneto-optics, remains a major challenge for integrated nanophotonic devices …

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

With the emerging trend of big data and internet of things, silicon (Si) photonics technology
has been developed and applied for high‐bandwidth data transmission. Contributed by the …

A highly efficient on-chip acousto-optic modulator is as a key component and occupies an
exceptional position in microwave-to-optical conversion. Homogeneous thin-film lithium …

Going beyond the canonical cavity-optomechanical system consisting of a Fabry–Perot
cavity with a movable end mirror, here we explore a new paradigm in which phononic crystal …

Photonic bound states in the continuum (BICs) have recently been studied in various
systems and have found wide applications in sensors, lasers, and filters. Applying BICs in …

Optomechanical sensing based on the coupling between mechanical motions and optical
resonances has attracted huge interest in sensor applications due to its small footprint, high …