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

Free Energy Changes for Nonstandard States03:25

Free Energy Changes for Nonstandard States

The free energy change for a process taking place with reactants and products present under nonstandard conditions (pressures other than 1 bar; concentrations other than 1 M) is related to the standard free energy change according to this equation:
The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

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. Schrödinger...
Standard Entropy Change for a Reaction03:00

Standard Entropy Change for a Reaction

Entropy is a state function, so the standard entropy change for a chemical reaction (ΔS°rxn) can be calculated from the difference in standard entropy between the products and the reactants.
Propagation of Uncertainty from Random Error00:59

Propagation of Uncertainty from Random Error

An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
Quantum Numbers02:43

Quantum Numbers

It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
The Entropy as a State Function01:14

The Entropy as a State Function

Consider an arbitrary process that moves between two specific states (A and B) in a cyclic manner. This process is reversible and broken down into smaller parts that each follow a Carnot cycle. A Carnot cycle has two isothermal (constant temperature) processes. During these processes, the ratio of the amount of heat transferred to their respective temperature remains constant. The other two processes in the Carnot cycle are also reversible but adiabatic, which means they occur without any heat...

You might also read

Related Articles

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

Sort by
Same author

Experimentally Validated Quantum-Secure Federated Learning over a Multi-user Quantum Network.

Research (Washington, D.C.)·2026
Same author

Experimental asymmetric relativistic zero-knowledge proofs with unconditional security.

Nature communications·2026
Same author

Interfacial dipolar interactions drive giant second-harmonic generation in 2D organic-inorganic heterostructures.

Nature communications·2026
Same author

Tunable high-order coherence in the interference of resonance fluorescence and laser light.

Optics letters·2026
Same author

Time-bin encoded quantum key distribution over 120 km with a telecom quantum dot source.

Light, science & applications·2026
Same author

Quantum dot source-based twin-field quantum key distribution.

Optics letters·2026

Related Experiment Video

Updated: May 17, 2026

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

Source-independent quantum key distribution without pre-sending entanglement.

Rong-Zheng Liu, Hua-Lei Yin

    Optics Letters
    |May 15, 2026
    PubMed
    Summary

    This study introduces a source-independent quantum key distribution (QKD) protocol, enhancing security against source-based attacks. The new protocol doubles transmission distance and improves robustness, even with imperfect quantum light sources.

    More Related Videos

    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

    Related Experiment Videos

    Last Updated: May 17, 2026

    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

    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

    Area of Science:

    • Quantum Information Science
    • Cryptography
    • Quantum Communication

    Background:

    • Quantum key distribution (QKD) offers theoretical information-theoretic security.
    • The standard BB84 protocol uses conventional lasers and decoy states, but is vulnerable to source-side channel attacks.
    • Existing security measures, even passive schemes, do not fully eliminate these vulnerabilities, even with ideal single-photon sources.

    Purpose of the Study:

    • To propose a novel source-independent (SI) QKD protocol.
    • To address and resolve all known and unknown source-side attacks in QKD.
    • To enhance QKD security and performance without relying on pre-shared entanglement.

    Main Methods:

    • Development of a source-independent (SI) QKD protocol.
    • Theoretical analysis of security against source-side attacks.
    • Investigation of performance with imperfect quantum light sources.

    Main Results:

    • The proposed SI-QKD protocol effectively eliminates vulnerabilities from source-side attacks.
    • The protocol doubles the transmission distance compared to conventional methods.
    • Demonstrated robustness against imperfections in quantum light sources.

    Conclusions:

    • Source-independent QKD provides enhanced security against a wider range of attacks.
    • Non-classical light sources offer significant practical security advantages over conventional lasers in QKD.
    • The developed protocol represents a significant advancement in secure quantum communication.