Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

¹H NMR: Interpreting Distorted and Overlapping Signals01:02

¹H NMR: Interpreting Distorted and Overlapping Signals

Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are slanted or...
Phase Transitions02:31

Phase Transitions

Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to occupy...
Phase Transitions01:21

Phase Transitions

A phase transition is the process in which a substance changes from one state of matter to another, like from a solid to a liquid, liquid to gas, or vice versa, at a specific temperature and under given pressure conditions. This change is spontaneous and is affected by alterations in temperature and pressure. These parameters impact the strength of the forces between molecules (intermolecular forces) in the substance.During a phase transition, both the initial and final phases of the substance...
Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
π Electron Effects on Chemical Shift: Overview01:27

π Electron Effects on Chemical Shift: Overview

An applied magnetic field causes loosely bound π-electrons in organic molecules to circulate, producing a local or induced diamagnetic field over a large spatial volume. As the molecules tumble in solution, the field generated by π-electrons in spherical substituents results in a zero net field. However, the net field generated by π-electrons in non-spherical substituents is not zero. The effect of this induced field depends on the orientation of the molecule with respect to B0, resulting in...
Phase Changes01:19

Phase Changes

Phase transitions play an important theoretical and practical role in the study of heat flow. In melting or fusion, a solid turns into a liquid; the opposite process is freezing. In evaporation, a liquid turns into a gas; the opposite process is condensation.
A substance melts or freezes at a temperature called its melting point and boils or condenses at its boiling point. These temperatures depend on pressure. High pressure favors the denser form of the substance, so typically, high pressure...

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Toward quantum sensing of electron beams using solid-state spins.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Foundry-Enabled Patterning of Diamond Quantum Microchiplets for Scalable Quantum Photonics.

Nano letters·2026
Same author

Application of Seaweed-Derived Polysaccharides in Biocrust Technology: Ultrasound-Assisted Fucoidan Extraction from Laminaria digitata.

Marine biotechnology (New York, N.Y.)·2026
Same author

Sub-second spin and lifetime-limited optical coherences in <sup>171</sup>Yb<sup>3+</sup>:CaWO<sub>4</sub>.

Nature communications·2026
Same author

Thermal detection of single photons using Dirac fermions.

Nature communications·2026
Same author

Nanophotonic waveguide chip-to-world beam scanning.

Nature·2026
Same journal

Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

Science (New York, N.Y.)·2026
Same journal

Local signals, systemic decline.

Science (New York, N.Y.)·2026
Same journal

The mechanics of liver regeneration.

Science (New York, N.Y.)·2026
Same journal

Computing in a memory with physics.

Science (New York, N.Y.)·2026
Same journal

Retraction.

Science (New York, N.Y.)·2026
Same journal

Making time.

Science (New York, N.Y.)·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Jul 5, 2026

Production and Targeting of Monovalent Quantum Dots
10:16

Production and Targeting of Monovalent Quantum Dots

Published on: October 23, 2014

Cambios de fase controlados con un solo punto cuántico.

Ilya Fushman1, Dirk Englund, Andrei Faraon

  • 1Applied Physics, Stanford University, Stanford, CA 94305, USA.

Science (New York, N.Y.)
|May 10, 2008
PubMed
Resumen
Este resumen es generado por máquina.

Un solo punto cuántico en una nanocavidad permite interacciones fotón-fotón controladas para tecnologías cuánticas. Este sistema de puntos cuánticos demuestra la modulación de fase y amplitud a nivel de un solo fotón, allanando el camino para los dispositivos cuánticos en chip.

Más Videos Relacionados

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Videos de Experimentos Relacionados

Last Updated: Jul 5, 2026

Production and Targeting of Monovalent Quantum Dots
10:16

Production and Targeting of Monovalent Quantum Dots

Published on: October 23, 2014

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Área de la Ciencia:

  • La óptica cuántica es una óptica cuántica.
  • Física del estado sólido física del estado sólido.
  • La nanofotónica es la nanofotónica.

Sus antecedentes:

  • Las no linealidades ópticas son cruciales para las interacciones fotón-fotón, sustentando el procesamiento de información cuántica y el procesamiento de señales ópticas.
  • Las no linealidades actuales de vanguardia se logran principalmente utilizando átomos individuales o conjuntos atómicos.

Objetivo del estudio:

  • Para demostrar la modulación controlada de fase y amplitud de la luz a nivel de un solo fotón utilizando un sistema de nanocavidad de cristal de punto fotónico cuántico.
  • Para explorar el potencial de los emisores cuánticos de estado sólido para dispositivos ópticos cuánticos en chip.

Principales métodos:

  • Acoplamiento de un solo punto cuántico a una nanocavidad de cristal fotónico.
  • Utilizando números de fotones controlados en un haz de control para inducir la modulación.
  • Variando la longitud de onda del haz de control en relación con el haz de señal.

Principales resultados:

  • Se logró la modulación controlada de fase y amplitud entre dos modos de luz a nivel de un solo fotón.
  • Los desplazamientos de fase observados llegan hasta pi/4 y la modulación de amplitud hasta el 50% con mayores poderes de control.
  • Modulación demostrada utilizando tanto las longitudes de onda de control en resonancia como las desafinadas.

Conclusiones:

  • Un solo punto cuántico acoplado a una nanocavidad puede servir como un poderoso elemento óptico no lineal.
  • Este sistema ofrece una plataforma escalable en el chip para el procesamiento de información cuántica y mediciones de no demolición cuántica.
  • Los resultados representan un avance significativo hacia dispositivos de lógica cuántica integrados.