ArticleACS photonics2021
Unveiling the Symmetry Protection of Bound States in the Continuum with Terahertz Near-Field Imaging.
Article in ACS photonics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Topological Jackiw-Rebbi states in photonic Van der Waals heterostructures.Light, science & applications · 2026Article
- Robust Bound States in the Continuum in Mirror-Symmetric Terahertz Metasurfaces.Nanophotonics (Berlin, Germany) · 2026Article
- Narrow-band asymmetric THz absorbers and polarizers based on impedance-matched, cloaked quasi-BICs in doped Ge microdisk metasurfaces.iScience · 2026Article
- Extended nonradiative dipole-dipole energy transfer and spatiotemporal coherence enabled by bound states in the continuum.Science advances · 2026Article
- Near-field probing of the local density of optical states enhanced by bound states in the continuum in nonlocal metasurfaces.Nature communications · 2025Article
- Robust Circularly Polarized Luminescence via Quasi-Bound States in the Continuum in Intrinsic Chiral Silicon Metasurfaces.ACS photonics · 2025Article
- Angle-controlled strong and weak coupling in photon molecules.Scientific reports · 2025Article
- Superchiral Light Emerging from Bound States in the Continuum in Metasurfaces of Si Nanorod Dimers.ACS photonics · 2024Article
- Unveiling the Terahertz Nano-Fingerprint Spectrum of Single Artificial Metallic Resonator.Sensors (Basel, Switzerland) · 2024Article
- Asymmetric dumbbell dimers simultaneously supporting quasi-bound states in continuum and anapole modes for terahertz biosensing.Nanophotonics (Berlin, Germany) · 2024Article
- Photonic Bound States in the Continuum in Nanostructures.Materials (Basel, Switzerland) · 2023Review
- Subwavelength terahertz imaging via virtual superlensing in the radiating near field.Nature communications · 2023Article
- Direct Measurement of the Local Density of Optical States in the Time Domain.ACS photonics · 2023Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bound states in the continuum (BICs) represent a new paradigm in photonics due to the full suppression of radiation losses. However, this suppression has also hampered the direct observation of them. By using a double terahertz (THz) near-field technique that allows the local excitation and detection of the THz amplitude, we are able to map for the first time the electromagnetic field amplitude and phase of BICs over extended areas, unveiling the field-symmetry protection that suppresses the far-field radiation. This investigation, done for metasurfaces of dimer scatterers, reveals the in-plane extension and formation of BICs with antisymmetric phases, in agreement with coupled-dipole calculations. By displacing the scatterers, we show experimentally that a mirror symmetry is not a necessary condition for a BIC formation. Only π-rotation symmetry is required, making BICs exceptionally robust to structural changes. This work makes the local field of BICs experimentally accessible, which is crucial for the engineering of cavities with infinite lifetimes.
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