Photonic integrated circuits with second-order (χ (2)) nonlinearities are rapidly scaling to
remarkably low powers. At this time, state-of-the-art devices achieve saturated nonlinear …

Owing to advances in fabrication technology and device design, semiconductor optical
amplifiers (SOAs) are evolving as a promising candidate for future optical coherent …

The ability to amplify optical signals is of pivotal importance across science and technology
typically using rare-earth-doped fibres or gain media based on III–V semiconductors. A …

An applications-oriented review of optical parametric amplifiers in fiber communications is
presented. The emphasis is on parametric amplifiers in general and single pumped …

Demonstration of ultra-flattened dispersion in photonic crystal fibers clickable element to
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Optical fibres have for almost three decades been fabricated of solid glass. It was, therefore,
a radical change that took place, when researchers in the late 90's started to fabricate hair …

Photonic crystal fibres (PCFs) offer greatly enhanced design freedom compared to standard
optical fibres. For example, they allow precise control of the chromatic dispersion (CD) …

A record optical fiber gain of 70 dB was obtained in a continuous-wave pumped fiber-optical
parametric amplifier. Limitations due to saturation effects from amplified spontaneous …

▪ Abstract The development of microstructured optical fibers has led to the realization of
many optical properties in fiber form that were not previously attainable. This chapter …

The theory of parametric amplifiers driven by two pump waves is developed. By choosing
the pump wavelengths judiciously, one can design an amplifier that produces uniform …