The field of optically pumped planar waveguide lasers has seen a rapid development over
the last two decades driven by the requirements of a range of applications. This sustained …

Glasses, either pure or suitably doped, constitute an excellent material for the development
of integrated optical circuits. A brief review is presented of the most widely used processes …

Low-loss depressed cladding waveguide architecture is highly attractive for improving the
laser performance of waveguide lasers. We report on the design and fabrication of the “ear …

Abstract A novel Tm 3+: CaY 0.65 Gd 0.35 AlO 4 (Tm 3+: CYGA) disordered crystal was
successfully grown for the first time, to the best of our knowledge, using the Czochralski …

Nanosheets of bismuth telluride (Bi2Te3), a topological insulator material that exhibits
broadband saturable absorption due to its non‐trivial Dirac‐cone like energy structure, are …

Depressed-index channel waveguides with a circular and photonic crystal cladding
structures are prepared in a bulk monoclinic Tm: KLu (WO_4) _2 crystal by 3D direct …

Thanks to its unique properties, glass plays a fundamental role in science and technology,
especially in optics and photonics. For instance, its transparency has been exploited in the …

Photonic technologies will be at the heart of future terrestrial planet hunting interferometers.
In particular the mid-infrared spectral region between 3.5–4.2 μm is the ideal window for …

The mid-infrared wavelength regime 3.5–4.1 μm, known as the astronomical L'band is of
special interest for exoplanet hunting. Mid-IR compatible photonic technologies are an …

The growing landscape of laser applications in∼ 2 μm spectral region leads to the
development of novel transparent media that provide low attenuation solutions for high …