Ge2 Sb2 Te5 -Based Tunable Perfect Absorber Cavity with Phase Singularity at Visible Frequencies.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201706696
Abstract: The metal-dielectric stacks-based asymmetric Fabry-Perot (F-P) cavity systems have recently attracted much interest from the scientific community for realizing perfect absorption over the spectral bands from visible to infrared since they possess a lithography-free design… read more here.
Keywords: absorption; phase; perfect absorption; phase singularity ... See more keywords
Critical Coupling and Perfect Absorption Using α‐MoO3 Multilayers in the Mid‐Infrared
Sign Up to like & getrecommendations! Published in 2021 at "Annalen der Physik"
DOI: 10.1002/andp.202000512
Abstract: α‐Phase molybdenum trioxide(α‐MoO3) is a biaxial van der Waals semiconductor that can naturally support anisotropic phonon polaritons with elliptic and hyperbolic in‐plane dispersion. α‐MoO3 can meet critical coupling (CC) condition for both transverse magnetic (TM)… read more here.
Keywords: perfect absorption; mid infrared; critical coupling; coupling perfect ... See more keywords
Optical fishnet metamaterial with negative, zero, positive refractive index and nearly perfect absorption behavior at different frequencies
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2019.01.066
Abstract: Abstract Metamaterials (MMs) have many novel characteristics with the aid of appropriate structural design. In this study, we report negative refractive index (NRI), zero refractive index (ZRI) and nearly perfect absorption (NPA) characteristics of an… read more here.
Keywords: refractive index; optical fishnet; perfect absorption; nearly perfect ... See more keywords
Acoustic characterization of silica aerogel clamped plates for perfect absorption
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Non-Crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2018.07.021
Abstract: Abstract A multiobjective optimization procedure is employed to retrieve the viscoelatic parameters of silica aerogel clamped plates. This retrieval method preserves the aerogel sample integrity and, in contrast to the existing ones, relies on the… read more here.
Keywords: absorption; perfect absorption; acoustic characterization; silica aerogel ... See more keywords
[INVITED] Coherent perfect absorption of electromagnetic wave in subwavelength structures
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.12.004
Abstract: Abstract Electromagnetic (EM) absorption is a common process by which the EM energy is transformed into other kinds of energy in the absorber, for example heat. Perfect absorption of EM with structures at subwavelength scale… read more here.
Keywords: absorption; invited coherent; perfect absorption; coherent perfect ... See more keywords
Perfect absorption in 1D photonic crystal nanobeam embedded with graphene/Al2O3 multilayer stack
Sign Up to like & getrecommendations! Published in 2018 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2018.03.068
Abstract: Abstract We exploit the concept of critical coupling to graphene based chip-integrated applications and numerically demonstrate that a perfect absorption (PA) absorber in the near-infrared can be obtained by graphene/Al2O3 multilayer stack (GAMS) critical coupling… read more here.
Keywords: absorption; perfect absorption; multilayer stack; photonic crystal ... See more keywords
Perfect Absorption and Strong Coupling in Supported MoS2 Multilayers
Sign Up to like & getrecommendations! Published in 2023 at "ACS Nano"
DOI: 10.1021/acsnano.2c08947
Abstract: Perfect absorption and strong coupling are two highly sought-after regimes of light–matter interactions. Both regimes have been studied as separate phenomena in excitonic 2D materials, particularly in MoS2. However, the structures used to reach these… read more here.
Keywords: absorption strong; mos2 multilayers; perfect absorption; strong coupling ... See more keywords
Coherent Perfect Absorption in Metamaterials with Entangled Photons
Sign Up to like & getrecommendations! Published in 2017 at "ACS Photonics"
DOI: 10.1021/acsphotonics.7b00514
Abstract: Quantum nonlocality, i.e., the presence of strong correlations in spatially separated systems that are forbidden by local realism, lies at the heart of quantum communications and quantum computing. Here, we use polarization-entangled photon pairs to… read more here.
Keywords: absorption; photon; perfect absorption; coherent perfect ... See more keywords
Perfect Absorption and Phase Singularities in Plasmon Antenna Array Etalons
Sign Up to like & getrecommendations! Published in 2019 at "ACS Photonics"
DOI: 10.1021/acsphotonics.9b01019
Abstract: We present an interferometrically resolved study of the amplitude and phase response of plasmon array etalons composed of a reflective surface with in front of it a metasurface of resonant plasmonic dipole antennas. We find… read more here.
Keywords: array etalons; phase; perfect absorption; absorption phase ... See more keywords
Interferometric control of magnon-induced nearly perfect absorption in cavity magnonics
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-22171-7
Abstract: The perfect absorption of electromagnetic waves has promoted many applications, including photovoltaics, radar cloaking, and molecular detection. Unlike conventional methods of critical coupling that require asymmetric boundaries or coherent perfect absorption that require multiple coherent… read more here.
Keywords: absorption; magnon induced; perfect absorption; induced nearly ... See more keywords
Integrating polarization conversion and nearly perfect absorption with multifunctional metasurfaces
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4982240
Abstract: Manipulating electromagnetic waves with artificial nanostructures has garnered great interest for their properties and potential applications. However, existing devices performing various desired operations at different wavelengths usually require cascading with different geometry patterns, which does… read more here.
Keywords: nearly perfect; perfect absorption; polarization conversion; conversion ... See more keywords