Mid-infrared optical parametric oscillators (OPOs) utilising BaGa4Se7 crystals represent a significant advance in the field of nonlinear optics. BaGa4Se7, a non-oxide crystal with a wide transparency ...

Widely tunable and high resolution mid-infrared radiation source operating in 3-5 µm region has been applied to numerous frontier applications, including remote sensing, molecular spectroscopy, and ...

By directing pulses of laser light at atoms, researchers can study how radioactive elements decay in a matter of seconds. The ...

The experimental setup shown here incorporates on-chip optical parametric oscillator (OPO) technology to generate a frequency comb of laser-like light covering a wide range of frequencies with very ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

It may seem at times that there is a divide between the optical/photonic domain and the RF one, with the terahertz zone between them as a demarcation. If you need to make a transition between the ...