Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Potential Due to a Polarized Object01:29

Potential Due to a Polarized Object

728
A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
728
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)01:15

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

1.0K
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and enhance the signals of low-abundance nuclei, such as carbon-13 and nitrogen-15, in small molecules. The fundamental principle behind INEPT is the transfer of polarization from a more abundant and highly polarizable nucleus, typically hydrogen-1, to the low-abundance nucleus of interest. This process effectively boosts the NMR signal of the...
1.0K
Dielectric Polarization in a Capacitor01:31

Dielectric Polarization in a Capacitor

5.9K
The presence of a dielectric medium in a capacitor not only changes the voltage and capacitance but also affects the electric field. In general, dielectrics can be of two types: polar and nonpolar. In a polar dielectric, the positive and negative charges in the molecules are separated by a distance and hence have a permanent dipole moment. In contrast, no such charge separation exists in a nonpolar dielectric, however the nonpolar molecules get polarized in the presence of an external electric...
5.9K
Plane Electromagnetic Waves I01:30

Plane Electromagnetic Waves I

4.9K
The existence of combined electric and magnetic fields that propagate through space as electromagnetic (EM) waves is the most significant prediction of Maxwell's equations. As Maxwell's equations hold in free space, the predicted electromagnetic waves do not require a medium for their propagation. An EM wave comprises an electric field, defined as the force per charge on a stationary charge, and a magnetic field, which is the force per charge on a moving charge.
The EM field is assumed to be a...
4.9K
Electrostatic Boundary Conditions in Dielectrics01:27

Electrostatic Boundary Conditions in Dielectrics

1.9K
When an electric field passes from one homogeneous medium to another, crossing the boundary between the two mediums imparts a discontinuity in the electric field. This results in electrostatic boundary conditions that depend on the type of mediums the field propagates through.
Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's permittivity....
1.9K
Induced Electric Dipoles01:28

Induced Electric Dipoles

4.7K
A permanent electric dipole orients itself along an external electric field. This rotation can be quantified by defining the potential energy because the external torque does work in rotating it. Then, the potential energy is minimum at the parallel configuration and maximum at the antiparallel configuration. While the former is a stable equilibrium, the latter is an unstable equilibrium.
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
4.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Full-field dual modulation fluorescence lifetime imaging on rare earth ion upconversion.

Optics express·2026
Same author

Integration of 2D Materials in Radial van der Waals Heterostructure Metasurfaces.

ACS nano·2026
Same author

High-throughput in situ sizing and quantum yield determination of individual perovskite nanocrystals.

Nature materials·2026
Same author

Phonon-polaritonic skyrmions: transition from bubble- to Néel-type.

Light, science & applications·2026
Same author

Tunable polaritonic topologies generated by non-local photonic modes.

Nature nanotechnology·2026
Same author

Polarization-independent dielectric gradient near-perfect absorbers for aqueous mid-infrared molecular sensing.

Npj nanophotonics·2026

Related Experiment Video

Updated: Jan 18, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
09:33

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

6.6K

Spatially Encoded Polaritonic Ultra-Strong Coupling in Gradient Metasurfaces with Epsilon-Near-Zero Modes.

Enrico Baù1, Andreas Aigner1, Jonas Biechteler1

  • 1Chair in Hybrid Nanosystems, Nano-Institute Munich, Department of Physics, LMU Munich, Königinstraße 10, 80539, Munich, Germany.

Advanced Materials (Deerfield Beach, Fla.)
|September 12, 2025
PubMed
Summary

Researchers developed a new dielectric metasurface platform for ultra-strong coupling (USC) between light and matter. This breakthrough enables enhanced light-matter interactions for advanced quantum technologies and optical devices.

Keywords:
bound‐states‐in‐the‐continuumepsilon‐near‐zerolight–matter interactionpolaritonicsultra‐strong coupling

More Related Videos

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

6.2K
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.6K

Related Experiment Videos

Last Updated: Jan 18, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
09:33

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

6.6K
Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

6.2K
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.6K

Area of Science:

  • Photonics and Quantum Optics
  • Materials Science and Engineering

Background:

  • Ultra-strong coupling (USC) is a regime of light-matter interaction with coupling strengths over 10% of ground state energy.
  • USC enables phenomena like single-photon coupling and quantum gates, crucial for quantum sensing and low-threshold lasing.
  • Achieving USC in low-loss dielectric systems is challenging due to limited mode overlap.

Purpose of the Study:

  • To demonstrate ultra-strong coupling in a dielectric platform using readily available materials.
  • To overcome the limitations of previous plasmonic systems and low mode overlap in dielectric approaches.
  • To explore novel applications in quantum technologies and optical devices.

Main Methods:

  • Utilized dielectric dual gradient metasurfaces supporting quasi-bound-states-in-the-continuum.
  • Spatially encoded spectral and coupling parameters to achieve USC with an epsilon-near-zero (ENZ) mode.
  • Employed tapered bar structures to enhance out-of-plane electric field overlap with the ENZ mode in an ultra-thin SiO2 layer.

Main Results:

  • Achieved normalized coupling strength (η) of 0.10, exceeding the 10% threshold for USC.
  • Demonstrated mode splitting equivalent to 20% of the ENZ mode energy, a four-to-five-fold increase over prior methods.
  • Showcased strong field confinement for potential compact and scalable polaritonic devices.

Conclusions:

  • The developed dielectric metasurface platform effectively achieves ultra-strong coupling.
  • This approach offers a significant advancement for USC in dielectric systems, overcoming previous limitations.
  • The strong field confinement and high coupling strength pave the way for next-generation tunable frequency converters and low-energy optical modulators.