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Related Concept Videos

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When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
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Following the work of Ernest Rutherford and his colleagues in the early twentieth century, the picture of atoms consisting of tiny dense nuclei surrounded by lighter and even tinier electrons continually moving about the nucleus was well established. This picture was called the planetary model since it pictured the atom as a miniature “solar system” with the electrons orbiting the nucleus like planets orbiting the sun. The simplest atom is hydrogen, consisting of a single proton as...
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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
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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...
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Related Experiment Video

Updated: Oct 19, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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Photons and qubits get a better connection.

Adam M Kaufman1

  • 1JILA/Department of Physics, University of Colorado, Boulder, CO 80309, USA.

Science (New York, N.Y.)
|September 23, 2021
PubMed
Summary

Quantum networks need flexible quantum interconnects to succeed. These versatile components are essential for building robust and scalable quantum communication systems.

Area of Science:

  • Quantum Information Science
  • Quantum Computing
  • Quantum Communication

Background:

  • The development of quantum networks is a critical frontier in quantum information science.
  • Efficient and reliable quantum interconnects are fundamental to enabling these networks.
  • Current interconnect technologies face challenges in versatility and scalability.

Purpose of the Study:

  • To highlight the necessity of versatile quantum interconnects for the advancement of quantum networks.
  • To discuss the key requirements and potential solutions for developing such interconnects.
  • To underscore the role of interconnects in future quantum communication infrastructures.

Main Methods:

  • Review of existing quantum interconnect architectures and their limitations.

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  • Analysis of theoretical frameworks for versatile quantum communication links.
  • Exploration of emerging technologies for quantum signal transmission and manipulation.
  • Main Results:

    • Versatile quantum interconnects are identified as a key bottleneck for large-scale quantum networks.
    • Specific design principles for enhanced interconnect performance are proposed.
    • The integration of diverse quantum technologies relies heavily on adaptable interconnect solutions.

    Conclusions:

    • The realization of powerful quantum networks is contingent upon the development of highly versatile quantum interconnects.
    • Further research and engineering efforts are crucial to overcome current limitations.
    • Versatile interconnects will pave the way for a wide range of quantum network applications.