Photonic applications based on planar waveguide technology impose stringent
requirements on properties such as optical propagation losses, light coupling to optical …

The concept of direct band gap group IV materials may offer a paradigm change for Si-
photonics concerning the monolithic implementation of light emitters: the idea is to integrate …

Optical whispering gallery modes (WGMs) derive their name from a famous acoustic
phenomenon of guiding a wave by a curved boundary observed nearly a century ago. This …

We explore, to the best of our knowledge, the potential of diffractionless subwavelength
grating waveguides for sensing applications. We show that by subwavelength patterning of …

In this paper, unique surface sensing property and enhanced sensitivity in microring
resonator biosensors based on subwavelength grating (SWG) waveguides are studied and …

Photonic integrated circuits (PICs) have long been considered as disruptive platforms that
revolutionize optics. Building on the mature industrial foundry infrastructure for electronic …

A highly sensitive refractive index sensor based on an integrated hybrid plasmonic
waveguide (HPWG) and a Metal–Insulator–Metal (M–I–M) micro-ring resonator is presented …

In recent decades, there has been a phenomenal growth in the field of photonic crystal
research and has emerged as an interdisciplinary area. Photonic crystals are usually …

Laser-based mid-infrared (mid-IR) photothermal spectroscopy (PTS) represents a selective,
fast, and sensitive analytical technique. Recent developments in laser design permits the …

The propagation of viruses has become a global threat as proven through the coronavirus
disease (COVID-19) pandemic. Therefore, the quick detection of viral diseases and …