Graphene is an ideal material for optoelectronic applications. Its photonic properties give
several advantages and complementarities over Si photonics. For example, graphene …

The surface plasmon resonance (SPR) of noble metals is known to improve the efficiency of
various processes and devices. The photocatalytic process is the production of fuels and …

Next-generation mid-infrared (MIR) imaging chips demand free-cooling capability and high-
level integration. The rising two-dimensional (2D) semimetals with excellent infrared (IR) …

Graphene photodetectors have exhibited high bandwidth and capability of being integrated
with silicon photonics (SiPh), holding promise for future optical communication devices …

Broadband electro-optic intensity modulators are essential to convert electrical signals to the
optical domain. The growing interest in terahertz wireless applications demands modulators …

With an ongoing trend in computing hardware toward increased heterogeneity, domain-
specific coprocessors are emerging as alternatives to centralized paradigms. The tensor …

Graphene has shown great potential for high-speed photodetection. Yet, the responsivities
of graphene-based high-speed photodetectors are commonly limited by the weak effective …

We present a micrometer-scale, on-chip integrated, plasmonic enhanced graphene
photodetector (GPD) for telecom wavelengths operating at zero dark current. The GPD is …

Light absorption plays a vital role in governing the performance of optoelectronic devices,
such as solar cells and photodetectors. However, it is quite challenging to realize perfect …

A Luneburg lens with a gradient index distribution is an aberration-free and coma-free
spherical lens. It has wide applications ranging from invisibility cloaks, illusion optics, and …