Tunable metasurfaces enable dynamical control of the key constitutive properties of light at a
subwavelength scale. To date, electrically tunable metasurfaces at near-infrared …

US10277009B2 - Electromagnetic wave reflector and optical device including the same -
Google Patents US10277009B2 - Electromagnetic wave reflector and optical device …

A transmissive light modulator including a first reflection layer; a first active layer, arranged
on the first reflection layer and including a plurality of quantum well layers and a plurality of …

US9841617B2 - Optical device including three-coupled quantum well structure - Google Patents
US9841617B2 - Optical device including three-coupled quantum well structure - Google Patents …

An optical modulator is provided, including a lower reflection layer, an active layer formed on
the lower reflection layer, and an upper reflection layer formed on the active layer. The active …

An edge emitting laser light source and a three-dimensional (3D) image obtaining apparatus
including the edge emitting laser light source are provided. The edge emitting laser light …

Provided is an optical device including an active layer, which includes two outer barriers and
a coupled quantum well between the two outer barriers. The coupled quantum well includes …

The ability to control electromagnetic wavefront is a central key in optics. Conventional
optical components rely on the gradual accumulation of the phase of light as it passes …

A light-emitting device is provided. The light-emitting device comprises: a substrate; and an
active structure on the substrate, the active structure comprising a well layer and a barrier …

Provided is an optical device including an active layer, which includes two outer barriers and
a coupled quantum well between the two outer barriers. The coupled quantum well includes …