Research into terahertz technology is now receiving increasing attention around the world,
and devices exploiting this waveband are set to become increasingly important in a very …

Future bandwidth demand in optical communication and signal processing systems will
soon exceed 100 Gb s− 1 as is commonly forecasted from a throughput experience curve for …

Sesquioxides combine excellent thermomechanical properties, comparably low phonon
energies and a strong crystal field, making them ideally suited for broad band emitting high …

Wireless, optical, and electronic networks continue to converge, prompting heavy research
into the interface between microwave electronics, ultrafast optics, and photonic …

Surface modes at interfaces, especially, the surface plasmon polaritons at metal-dielectric
interfaces localize field. Associated applications are well pursued in addition to their basic …

We have developed a Mach-Zehnder interferometric all-optical switch employing
intersubband transition in an In Ga As∕ Al As∕ Al As Sb-coupled double quantum well …

We report an ultrafast cross phase modulation (XPM) effect in intersubband transition (ISBT)
of InGaAs/AlAs/AlAsSb coupled quantum wells, where the ISBT absorption of a transverse …

We report the first demonstration of a solid state laser passively mode-locked through the
saturable absorption of short-wavelength intersubband transitions in doped quantum wells …

Ultrafast all-optical switching at an optical communication wavelength has been investigated
by utilizing an intersubband transition (ISBT) of II–VI-based multiple quantum wells (MQWs) …

Intersubband transitions in GaN multiple quantum wells (MQW) are expected to be
applicable to 1-Tb/s all-optical switches. The near-infrared (1.33–2.15 µm) intersubband …