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 …

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

Silicon nitride (Si 3 N 4) has emerged as a promising material for integrated nonlinear
photonics and has been used for broadband soliton microcombs and low-pulse-energy …

The interaction between light and mesoscopic mechanical degrees of freedom has been
investigated under various perspectives, from spectroscopy in condensed matter, optical …

Germanium is becoming an important material for mid-infrared photonics, but the modulation
mechanisms in Ge are not yet well understood. In this paper, we estimate the size of free …

We present Ge rib waveguide devices fabricated on a Ge-on-insulator (GeOI) wafer as a
proof-of-concept Ge mid-infrared photonics platform. Numerical analysis revealed that the …

We present a focusing subwavelength grating (SWG) for efficient coupling of mid-infrared
(mid-IR) light into suspended membrane Ge photonic integrated circuits (PICs) that enable …

A germanium-based platform with a large core-clad index contrast, germanium-on-silicon
nitride waveguide, is demonstrated at mid-infrared wavelength. Simulations are performed …

In the past decade, there has been tremendous progress in integrating chalcogenide phase-
change materials (PCMs) on the silicon photonic platform for non-volatile memory to …

The last few years have seen major progress in harnessing on-chip photon-phonon
interactions, leading to a wide range of demonstrations of new functionalities. Utilizing not …