Integrated photonics is attracting considerable attention and has found many applications in
both classical and quantum optics, fulfilling the requirements for the ever-growing complexity …

Adaptive optics are becoming a valuable tool for laser processing, providing enhanced
functionality and flexibility for a range of systems. Using a single adaptive element, it is …

Femtosecond laser inscription or writing has been recognized as a powerful technique to
engineer various materials toward a number of applications. By efficient modification of …

Optical waveguides are far more than mere connecting elements in integrated optical
systems and circuits. Benefiting from their high optical confinement and miniaturized …

The extremely high peak intensity associated with ultrashort pulse width of femtosecond
laser allows us to induce nonlinear interaction such as multiphoton absorption and tunneling …

Four-mode multiplexing and manipulation technologies are reviewed in the context of space-
division multiplexing (SDM) optical communication systems. These are multiplane light …

In this article, we review recent advances in the technology of writing fiber Bragg gratings
(FBGs) in selected cores of multicore fibers (MCFs) by using femtosecond laser pulses. The …

Photonic technologies offer numerous functionalities that can be used to realize
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …

Photonics integrated circuitry would benefit considerably from the ability to arbitrarily control
waveguide cross-sections with high precision and low loss, in order to provide more …

Femtosecond (Fs) laser micro-/nano-fabrication technology allows direct definition of on-
demand nanostructures with three-dimensional (3D) geometric features and tailored …