This study describes the basic principles of optical waveguide refractive index sensing and
the various design structures of refractive index sensors. These waveguides generate …

In this article, we review our recent work on mid-infrared (mid-IR) photonic materials and
devices fabricated on silicon for on-chip sensing applications. Pedestal waveguides based …

Active metasurfaces, whose optical properties can be modulated post-fabrication, have
emerged as an intensively explored field in recent years. The efforts to date, however, still …

Wide field-of-view (FOV) optical functionality is crucial for implementation of advanced
imaging and image projection devices. Conventionally, wide FOV operation is attained with …

Abstract Two-dimensional (2D) materials are of tremendous interest to integrated photonics,
given their singular optical characteristics spanning light emission, modulation, saturable …

The mid-infrared (mid-IR) is a strategically important band for numerous applications
ranging from night vision to biochemical sensing. Here we theoretically analyzed and …

Zoom lenses with variable focal lengths and magnification ratios are essential for many
optical imaging applications. Conventional zoom lenses are composed of multiple refractive …

We report the characteristics of low-loss chalcogenide waveguides for sensing in the mid-
infrared (MIR). The waveguides consisted of a Ge_11. 5As_24Se_64. 5 rib waveguide core …

This Feature highlights recent advances on mid-infrared thin-film waveguide technology and
on-chip photonics facilitating next-generation label-free chem/bio sensor and assay …

Photonics has been extensively exploited in the visible and near-infrared spectral ranges.
Sensing of liquids and gases is a promising area for advancing of the photonics also in the …