The need for ultra-broadband amplification—amplifiers that work across a wider range of wavelengths—is more pressing ... The amplifier also enhanced the performance of optical frequency combs and ...

Researchers have developed a next-generation plasmonic modulator that enables optical data transmission at record-breaking ...

A modulator developed by researchers from ETH Zurich has broken the terahertz mark. The ultrafast component efficiently ...

Modern communication networks require amplified optical signals to cover long distances without losing information. Common ...

Also called a "frequency band." See frequency bands, spectrum, satellite frequency bands and optical bands. (2) A group of frequencies that occur naturally such as the audio spectrum. See audio.

By increasing the applied optical power ... a series of phase-locked lasers separated in frequency by the resonator's free spectral range. It can be demodulated by a fast photodiode to produce ...

it is necessary to develop the innovative technologies to fully utilize the characteristics of optical frequency combs. Therefore, we developed technologies to fully utilize the ultra-high precision, ...

The adjustment of fill factor and the radius of SiC sphere are the factors of generating NRI material at optical frequency range. The advantage of this structure is that this nanoscale metamaterial is ...

The device shows efficient, direct millimeter-wave to optical signal conversion over a wide frequency range and thus demonstrates the potential value of integration with thin-film lithium niobate ...

"We cover the entire frequency range with a single component. It's therefore extremely versatile in terms of applications," says Horst. Other potential applications include optical fibre data ...