Four-wave mixing A weak optical signal (red) from a spacecraft transmitter can be amplified noise-free when it encounters two pump waves (blue and green) in a receiver on Earth. (Courtesy: Chalmers ...

which significantly enhanced Four-Wave Mixing (FWM) across a broad wavelength range. This enhancement allows the detection of ...

At a fundamental level, these faculty research basic physical processes of light, including cross-polarization rotation, adiabatic wavelength conversion, and four-wave mixing. They investigate ...

Nonlinear optical susceptibilities; wave propagation and coupling in nonlinear media; harmonic, sum, and difference frequency generation; parametric amplification and oscillation; phase-conjugation ...