Secure optical communication using a quantum alarm
The quantum alarm overcomes issues in other attack detection techniques, including quantum key distribution, which is challenging to implement in high data-rate optical communication
Quantum
Communication
Butterflyshaped
Optical
Quantum Network Communication—The Butterfly and Beyond
Quantum Network Communication—The Butterfly and Beyond Abstract: We study the problem of k -pair communication (or multiple unicast problem) of quantum information in networks of
Phase-Stable Optical Fiber Links for Quantum Network Protocols
We have achieved this by using precision frequency control techniques to stabilize optical phase across a fiber link and a novel scheme for time multiplexing classical and quantum signals,
Multiband wireless systems based on microwave integrated
Modern wireless technologies—spanning mobile communications to satellite links—rely on systems operating across disparate microwave bands.
Orbital angular momentum-based quantum communication in optical
Orbital angular momentum (OAM) of photons provides a promising approach to enhance the capacity, robustness, and functionality of quantum communication systems in optical fibers. With
Quantum communication across a 250-kilometre optical-fibre network
To meet these demands, we developed a system architecture for coherence-based quantum communications that relies exclusively on semiconductor components, such as off-the-shelf
Securing and optimizing optical transmission in quantum wells
The paper proposes an optimized and secure optical transmission in quantum wells to overcome these limitations using OAM and advanced modulation approaches.
Optimization of Coupling Efficiency in Butterfly Optical Communication
1. Introduction Butterfly-encapsulating communication lasers have recently been widely adopted in the tracking system and electronic industries . The coupling efficiency of the laser diode
Long-distance coherent quantum communications in deployed
A twin-field quantum key distribution protocol based on optical coherence is deployed over a 254-kilometre commercial telecom network, demonstrating that coherence-based quantum
Anti-butterfly effect enables new benchmarking of quantum-computer
Research drawing on the quantum ''anti-butterfly effect'' solves a longstanding experimental problem in physics and establishes a method for benchmarking the performance of quantum computers.
Multi-target and ultra-high-speed optical wireless communication using
This work enables multi-target, ultra-fast optical wireless communication with a chip-scale device. The system delivers 320 Gbps speeds and robust video transmission, providing a solid
CN218332076U
The utility model relates to an optical cable technical field especially relates to butterfly stretch-proofing communication optical cable with additional strengthening.
Orbital angular momentum-based quantum communication in optical
In this review, a comprehensive overview is provided for OAM-based quantum communication in optical fibers. We begin by outlining the motivation for using OAM modes in fiber
Polychromatic continuous-variable quantum communication network
Here, we report a polychromatic continuous-variable quantum communication network enabled by optical frequency combs. The multi-mode density matrices constituted by polychromatic
Butterfly network coding based on bidirectional hybrid controlled
Fusing the ideas of bidirectional hybrid controlled quantum communication and quantum network coding, we put forward a protocol for implementing butterfly network coding by using a five
Single-shot secure quantum network coding on butterfly network with
Quantum network coding on the butterfly network has been studied as a typical example of quantum multiple cast network. We propose a secure quantum network code for the butterfly
Anti-Noise Quantum Network Coding Protocol Based on Bell States
How to establish a secure and efficient quantum network coding algorithm is one of important research topics of quantum secure communications. Based on the butterfly network model and the
General Scheme for Perfect Quantum Network Coding with Free
More precisely, it is proved that perfect quantum network coding using free classical communication is possible over a network with k source-target pairs if there exists a classical linear (or even vector
Quantum network communication -
We study the communication of quantum information in networks of (directed) quantum channels. We consider the asymptotic rates of high fidelity quantum communication between specific
Exploiting OFDM method for quantum communication
Orthogonal frequency-division multiplexing (OFDM) is a crucial modulation method used in contemporary digital communication systems for its significant spectral efficiency, low latency, and
Demonstration of quantum network protocols over a 14-km urban
We characterize the link for its use as a quantum channel and realize its active polarization stabilization.
CN120762177B
The invention relates to the technical field of optical fiber communication, in particular to a butterfly-shaped optical cable with an anti-deformation structure.
Progress in quantum teleportation
Quantum teleportation can be used to overcome the distance limitation in directly transferring quantum states in quantum communication and the difficulty in realizing long-range
Optical and Quantum Communications
Fiber-Optic Distribution of Polarization Entangled Photons The capability to efficiently generate and distribute high-quality entangled photons is key to many applications of photonic quantum information
Quantum communication across a 250-kilometre optical-fibre network
A long-distance, real-world quantum cryptography link has been demonstrated over a fibre-optic telecommunications network in Germany.
Quantum Technology Fueling the Next Generation Optical
This could be possible with the integration of OFC and OWC with emerging quantum communication technologies (quantum key distribution, quantum entanglement, quantum repeaters,
Security enhancement of quantum noise stream cipher system based
Here, we propose and experimentally demonstrate an optical temporal scrambling scheme to enhance the capability of security for QNSC at 12.5 Gbps.