Phys. Rev. Focus25, 10 (2010) – Published March 22, 2010
The world’s first free electron laser, a type of laser able to operate from the microwave region of the spectrum all the way up to x rays, was reported in 1977, following an important precursor the year before.
Phys. Rev. Focus25, 7 (2010) – Published February 26, 2010
The turbulent atmosphere is better than an equivalent glass fiber when it comes to preserving quantum information in long-distance light signals, according to a new analysis. For brief moments, light can propagate relatively undisturbed.
Phys. Rev. Focus24, 23 (2009) – Published December 15, 2009
A method combining a traditional laser pump-probe experiment with the detection of high-frequency sound and thermal waves reveals the microscopically bumpy interface between two apparently smooth surfaces.