Subwavelength confinement of light with plasmonics is promising for nanophotonics and
optoelectronics. However, it is nontrivial to obtain narrow plasmonic resonances due to the …

Metamaterials (MMs) offer great potential for achieving optical absorption due to their novel
electromagnetic properties. MM absorbers can overcome the thickness limitation and …

In this paper, a hierarchical metamaterial (HMM) is reported to achieve compatible
camouflage for laser, thermal infrared detectors, and radar. The HMM consists of an all …

Here, we propose a planar hot-electron photodetector based on broadband Tamm plasmon
resonance using a TiN layer, n-type doped Si layer, and seven pairs of DBRs. Simulation …

Broadband absorbers generally consist of plasmonic cavities coupled to metallic resonators
separated by a dielectric film, and they are vertically stacking configurations. In this work, we …

Strong absorption of the full spectrum of sunlight at high temperatures is desired for
photothermal devices and thermophotovoltaics. Here, we experimentally demonstrate a thin …

This paper investigates the absorption features of the gallium-doped zinc oxide (GZO)
nanowire-based metamaterial absorber. The absorption spectrum was analyzed in the near …

Hot electrons generated in metallic nanostructures have shown promising perspectives for
photodetection. This has prompted efforts to enhance the absorption of photons by metals …

As an emerging versatile technique, femtosecond laser structuring has shown its superior
capacity to develop hierarchical micro/nanostructures. In this work, macropore/LIPSS …

Hot electron photodetection (HEPD) excited by surface plasmon can circumvent bandgap
limitations, opening pathways for additional energy harvesting. However, the costly and time …