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

The de Broglie Wavelength02:32

The de Broglie Wavelength

35.1K
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...
35.1K
Propagation Speed of Electromagnetic Waves01:30

Propagation Speed of Electromagnetic Waves

5.0K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
5.0K
Equilibrium Conditions for a Particle01:23

Equilibrium Conditions for a Particle

2.6K
When an object is in equilibrium, it is either at rest or moving with a constant velocity. There are two types of equilibrium: static and dynamic. Static equilibrium occurs when an object is at rest, while dynamic equilibrium occurs when an object is moving with a constant velocity. In both cases, there must be a balance of forces acting on the object.
To understand the concept of equilibrium, let us first consider the forces acting on an object. When different forces act on an object, they can...
2.6K
The Uncertainty Principle04:08

The Uncertainty Principle

35.1K
Werner Heisenberg considered the limits of how accurately one can measure properties of an electron or other microscopic particles. He determined that there is a fundamental limit to how accurately one can measure both a particle’s position and its momentum simultaneously. The more accurate the measurement of the momentum of a particle is known, the less accurate the position at that time is known and vice versa. This is what is now called the Heisenberg uncertainty principle. He...
35.1K
Energy Carried By Electromagnetic Waves01:22

Energy Carried By Electromagnetic Waves

4.2K
Anyone who has used a microwave oven knows there is energy in electromagnetic waves. Sometimes, this energy is obvious, such as in the summer sun's warmth. At other times, it is subtle, such as the unfelt energy of gamma rays, which can destroy living cells. Electromagnetic waves bring energy into a system through their electric and magnetic fields. These fields can exert forces and move charges in the system and, thus, do work on them. However, there is energy in an electromagnetic wave,...
4.2K
Photoelectric Effect02:26

Photoelectric Effect

43.2K
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...
43.2K

You might also read

Related Articles

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

Sort by
Same author

Experimental Verification of Multicopy Activation of Genuine Multipartite Entanglement.

Physical review letters·2026
Same author

Catability as a Metric for Evaluating Superposed Coherent States.

Physical review letters·2026
Same author

Generation of 10-dB squeezed light from a broadband waveguide optical parametric amplifier with improved phase locking method.

Optics express·2026
Same author

Optical states with higher stellar rank.

Optics express·2025
Same author

Optimal Phase-Insensitive Force Sensing with Non-Gaussian States.

Physical review letters·2025
Same author

Tomography of Parametric Transition in Magnets.

Physical review letters·2025

Related Experiment Video

Updated: Apr 19, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

15.2K

Noiseless Conditional Teleportation of a Single Photon.

Maria Fuwa1, Shunsuke Toba1, Shuntaro Takeda1

  • 1Department of Applied Physics, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.

Physical Review Letters
|December 11, 2014
PubMed
Summary

This study demonstrates noiseless quantum teleportation by reducing photon loss. This breakthrough preserves quantum states, evidenced by a negative Wigner function, showcasing the advantage of this new method.

More Related Videos

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

9.1K
Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

9.0K

Related Experiment Videos

Last Updated: Apr 19, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

15.2K
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

9.1K
Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

9.0K

Area of Science:

  • Quantum Information Science
  • Quantum Optics
  • Experimental Physics

Background:

  • Quantum teleportation typically suffers from photon loss, degrading the fidelity of transferred quantum states.
  • Continuous-variable quantum teleportation, while advanced, still faces challenges with photon loss even under optimal gain tuning.

Purpose of the Study:

  • To experimentally demonstrate noiseless quantum teleportation of a single photon.
  • To circumvent photon loss inherent in standard quantum teleportation protocols.
  • To preserve the negativity of the Wigner function for arbitrary quantum states using this improved method.

Main Methods:

  • Conditioning teleportation on quadrature Bell measurement results near the origin in phase space.
  • Implementing a novel approach to suppress photon loss during the teleportation process.
  • Utilizing entangled resource states for quantum state transfer.

Main Results:

  • Achieved noiseless conditional teleportation of a single photon, significantly reducing photon loss.
  • Preserved the negativity of the Wigner function for arbitrary pure input and resource states.
  • Demonstrated a transition from a positive to a negative Wigner function at the origin (W(0,0)=0.015±0.001 to W(0,0)=-0.025±0.005) after conditioning, confirming the method's efficacy.

Conclusions:

  • The developed noiseless conditional teleportation effectively suppresses photon loss.
  • This technique enables the preservation of quantum state negativity, a key indicator of non-classicality.
  • The experimental results validate the significant advantage of noiseless conditional teleportation over conventional methods.