Related Experiment Video
Updated: Feb 9, 2026
07:56
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
9.0K
Quantum communication based on two-mode entangled state with quantum noise locking method
Optics Express
|June 8, 2018
Summary
This study introduces a novel quantum communication scheme using two-mode entangled states for secure signal transmission. The method simplifies phase locking and enhances security against individual attacks in quantum information processing.
Area of Science:
- Quantum Information Science
- Quantum Communication
- Quantum Optics
Background:
- Two-mode entangled states are fundamental non-classical resources for quantum communication.
- Existing quantum communication schemes often involve complex phase-locking mechanisms.
Purpose of the Study:
- To propose a new quantum communication scheme utilizing two-mode entangled states.
- To enable signal transmission encoded by thermal-state light fields.
- To simplify the phase-locking process in quantum communication.
Main Methods:
- Utilizing a two-mode entangled state for signal transmission.
- Employing a single locking servo system at the final stage.
- Implementing quantum noise locking via measured quantum variances for error signals.
Main Results:
- Demonstrated a simplified phase-locking mechanism.
- Achieved convenient secure conditions against individual attacks.
- Successfully transmitted signals encoded by thermal-state light fields.
Conclusions:
- The proposed scheme offers a practical and secure approach for quantum communication.
- The simplified locking system reduces complexity in quantum information processing.
- This method has potential applications in practical quantum information processing.
Related Concept Videos
02:43Quantum Numbers
51.9K
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.
51.9K
02:45The Quantum-Mechanical Model of an Atom
59.2K
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.
59.2K
01:03Communication
8.8K
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
8.8K
01:28Communication
11.3K
Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
11.3K
01:192D NMR: Heteronuclear Single-Quantum Correlation Spectroscopy (HSQC)
1.5K
Heteronuclear single-quantum correlation spectroscopy (HSQC) is a 2D NMR technique that reveals one-bond correlations between hydrogen and a heteronucleus. The HSQC experiment is similar to the heteronuclear correlation experiment (HETCOR) but is more sensitive. In the HSQC spectrum, the proton chemical shift is plotted on the horizontal F2 axis, while the 13C chemical shift is plotted on the vertical F1 axis. The corresponding proton and 13C spectra are also shown. The HSQC contour plot does...
1.5K
01:16Self-Locking Screw
2.5K
A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
2.5K