Extreme light confinement and control in low-symmetry phonon-polaritonic crystals

E Galiffi, G Carini, X Ni, G Álvarez-Pérez… - Nature Reviews …, 2024 - nature.com
Polaritons are a hybrid class of quasiparticles originating from the strong and resonant
coupling between light and matter excitations. Recent years have witnessed a surge of …

Meta-optics inspired surface plasmon devices

Q Xu, Y Lang, X Jiang, X Yuan, Y Xu, J Gu… - Photonics …, 2023 - spiedigitallibrary.org
Surface plasmons (SPs) are electromagnetic surface waves that propagate at the interface
between a conductor and a dielectric. Due to their unique ability to concentrate light on two …

Ultrafast anisotropic dynamics of hyperbolic nanolight pulse propagation

X Zhang, Q Yan, W Ma, T Zhang, X Yang, X Zhang… - Science …, 2023 - science.org
Polariton pulses—transient light-matter hybrid excitations—traveling through anisotropic
media can lead to unusual optical phenomena in space and time. However, studying these …

Nickel-based high-bandwidth nanostructured metamaterial absorber for visible and infrared spectrum

RMH Bilal, MA Saeed, MA Naveed, M Zubair… - Nanomaterials, 2022 - mdpi.com
The efficient control of optical light at the nanoscale level attracts marvelous applications,
including thermal imaging, energy harvesting, thermal photovoltaics, etc. These applications …

Dynamic chiral metasurfaces for broadband phase‐gradient holographic displays

T Naeem, J Kim, HS Khaliq, J Seong… - Advanced Optical …, 2023 - Wiley Online Library
Next‐generation holographic displays have promising applications in medical science,
augmented/virtual reality, smart security, data encryption, etc. Although metasurfaces …

Visible to mid-infrared giant in-plane optical anisotropy in ternary van der Waals crystals

Y Feng, R Chen, J He, L Qi, Y Zhang, T Sun… - Nature …, 2023 - nature.com
Birefringence is at the heart of photonic applications. Layered van der Waals materials
inherently support considerable out-of-plane birefringence. However, funnelling light into …

Broadband and fabrication-tolerant 3-dB couplers with topological valley edge modes

GJ Tang, XD Chen, L Sun, CH Guo, MY Li… - Light: Science & …, 2024 - nature.com
dB couplers, which are commonly used in photonic integrated circuits for on-chip information
processing, precision measurement, and quantum computing, face challenges in achieving …

Polarization-insensitive, broadband, and tunable terahertz absorber using slotted-square graphene meta-rings

S Zakir, RMH Bilal, MA Naveed, MA Baqir… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
Graphene-based metamaterials are gaining popularity for develo** various
reconfigurable and electrically tunable optical devices–especially in terahertz (THz) and …

Source-configured symmetry-broken hyperbolic polaritons

C Hu, T Sun, Y Zeng, W Ma, Z Dai, X Yang, X Zhang… - Elight, 2023 - Springer
Polaritons are quasi-particles that combine light with matter, enabling precise control of light
at deep subwavelength scales. The excitation and propagation of polaritons are closely …

Highly efficient perfect vortex beams generation based on all-dielectric metasurface for ultraviolet light

MD Shafqat, N Mahmood, M Zubair, MQ Mehmood… - Nanomaterials, 2022 - mdpi.com
Featuring shorter wavelengths and high photon energy, ultraviolet (UV) light enables many
exciting applications including photolithography, sensing, high-resolution imaging, and …