The evolutionary success in information technology has been sustained by the rapid growth
of sensor technology. Recently, advances in sensor technology have promoted the …

In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

Hot charge carriers in graphene exhibit fascinating physical phenomena, whose
understanding has improved greatly over the past decade. They have distinctly different …

Despite the considerable effort, fast and highly sensitive photodetection is not widely
available at the low-photon-energy range (~ meV) of the electromagnetic spectrum, owing to …

The noble transition metal dichalcogenide palladium diselenide (PdSe2) is an ideal
candidate material for broad-spectrum photodetection owing to the large bandgap tunability …

This paper presents an overview of the different methods used for sensitivity (ie, responsivity
and noise equivalent power) determination of state-of-the-art field-effect transistor-based …

The frequency spectra and polarization states of terahertz waves can convey significant
information about physical interactions and material properties. Compact and miniaturized …

Many promising optoelectronic devices, such as broadband photodetectors, nonlinear
frequency converters, and building blocks for data communication systems, exploit …

The scalable synthesis and transfer of large-area graphene underpins the development of
nanoscale photonic devices ideal for new applications in a variety of fields, ranging from …

Integrating and manipulating the nano-optoelectronic properties of Van der Waals
heterostructures can enable unprecedented platforms for photodetection and sensing. The …