The first nonlinear-optical experiments with graphene date back over a decade, and a wide
range of research breakthroughs has been reported since then, particularly on the third …

We present a design and fabrication approach for 3D printed polymer microstructured
optical fiber tapers on standard single-mode glass fibers for efficient and compact mode-field …

Two-photon lithography (TPL) enables the design of novel micromechanical specimens,
down to sub-micron resolution, thus extending the possibilities for device and material …

Despite the rapid developments in the field of two-photon polymerization-based direct laser
writing, limited attention has been paid to the efficient design of optical waveguide-based …

Silicon photonics (SiPh) technology has gained considerable attention as a result of the
growing demand for high-bit-rate optical interconnections. Low coupling efficiencies …

Efficient mode conversion is crucial for hybrid photonic systems. We present efficient light
transition from a standard single-mode fiber (SMF) to a subwavelength-diameter microfiber …

Silicon photonics technology has attracted considerable attention these days. However, the
low coupling efficiency due to the difference in spot size between silicon photonic (SiPh) …

Single-mode, air-cladded optical waveguides have wavelength scale diameters, making
them very fragile and difficult to handle and yet highly desirable for sensing and inter-chip …

As multi-photon lithography technology matures, advanced integrated device design
concepts become possible, positioned onto small surfaces, such as optical fibres. Only local …

The constantly growing need for fast and secure optical communication systems resulted in
the rapid development of classical and quantum photonic technologies. Continuous …