Video Experimental Relacionado
Updated: Jan 8, 2026
06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
9.6K
Modos propios de redes fotónicas cuánticas latente-simétricas
Jonas Himmel1, Max Ehrhardt1, Matthias Heinrich1
1Institute of Physics, University of Rostock, 18059 Rostock, Germany.
ACS photonics
|December 22, 2025
Resumen
Las simetrías latentes en sistemas fotónicos, invisibles en el espacio real, controlan la dinámica de excitación. Las excitaciones antisimétricas están confinadas, lo que permite aplicaciones potenciales en el procesamiento de información fotónica.
Área de la Ciencia:
- Fotónica
- Mecánica Cuántica
- Física de la Materia Condensada
Sus antecedentes:
- Las simetrías latentes existen en el dominio espectral propio, no en el espacio real.
- Estas simetrías ofrecen métodos novedosos para la ingeniería de la funcionalidad del sistema fotónico.
Objetivo del estudio:
- Investigar la influencia de las simetrías latentes en la dinámica y los modos propios de los sistemas fotónicos.
- Explorar el comportamiento de las excitaciones clásicas y cuánticas dentro de las redes fotónicas latentes-simétricas.
Principales métodos:
- Se estudió una red fotónica latente-simétrica de 9 sitios.
- Se demostró experimentalmente el comportamiento de las excitaciones antisimétricas.
- Se investigaron teóricamente las excitaciones cuánticas de dos fotones.
Principales resultados:
- Las excitaciones antisimétricas clásicas no pueden poblar sitios singlete en la red latente-simétrica.
- Las excitaciones antisimétricas están confinadas dentro del sistema debido a la simetría latente preservada.
- La simetría latente y los sitios singlete se mantienen para excitaciones cuánticas de dos fotones.
Conclusiones:
- Las simetrías latentes proporcionan nuevas herramientas de diseño para sistemas nanofotónicos.
- Las aplicaciones en el procesamiento de información fotónica se habilitan mediante el control de la dinámica de excitación.
- Los hallazgos allanan el camino para dispositivos fotónicos avanzados.
Más Videos Relacionados
Videos de Conceptos Relacionados
01:25Network Function of a Circuit
599
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
599
01:28Symmetry in Maxwell's Equations
4.1K
Once the fields have been calculated using Maxwell's four equations, the Lorentz force equation gives the force that the fields exert on a charged particle moving with a certain velocity. The Lorentz force equation combines the force of the electric field and of the magnetic field on the moving charge. Maxwell's equations and the Lorentz force law together encompass all the laws of electricity and magnetism. The symmetry that Maxwell introduced into his mathematical framework may not be...
4.1K
02:32The de Broglie Wavelength
32.9K
In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
32.9K
02:18Network Covalent Solids
16.0K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
16.0K
01:28Standing Waves in a Cavity
1.4K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.4K
02:12The Wave Nature of Light
60.6K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
60.6K