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 …

Efficient and long-lived interfaces between light and matter are crucial for the development
of quantum information technologies. Integrated photonic solutions for quantum storage …

We demonstrate the fabrication of single-mode helical Bragg grating waveguides (HBGWs)
in a multimode coreless fiber by using a femtosecond laser direct writing technique. This …

We report on the design and fabrication of straight and S-curved waveguides in neodymium-
doped yttrium aluminate (Nd: YAP) crystal by using direct femtosecond laser writing. These …

We report on direct femtosecond laser writing of depressed-cladding optical waveguides in
extremely low expansion lithium aluminosilicate glass-ceramics. The waveguide cladding …

Miniaturization, integration, and flexible deformation are the future development trends of
optical devices. Meanwhile, optical systems based on integrated micro-optical devices stand …

Crystalline materials are excellent substrates for the integration of compact photonic devices
benefiting from the unique optical properties of these materials. The technique of direct …

Abstract Low-dimensional (LD) materials, such as 2D materials, carbon nanotubes, and
nanoparticles, have attracted increasing attention for light modulation in photonics and …

We report on the fabrication of annular cladding waveguides in Nd: YAG laser crystal by
using femtosecond laser inscription. The circular cross sections of the optical waveguides …