Tunable lasing at around 405 nm is realised with an InGaN device featuring a narrow-ridge active channel and a periodically ...

High-harmonic generation was first observed and ... laser signals to wavelengths in the soft-X-ray or EUV region. The wavelength range and EUV flux capability of the XUUS already make it of ...

This new technology, characterized by structures smaller than the wavelength of light ... implementations of electrically ...