搜索结果: 1-13 共查到“光学工程 Quantum Key”相关记录13条 . 查询时间(0.107 秒)
Engineering Fiber-Nonlinearity Based Entangled Photon Sources for Quantum Key Distribution Applications
Engineering Fiber-Nonlinearity Based Entangled Photon Sources Quantum Key Distribution Applications
2015/5/20
We model fiber parametric entangled photon sources for use in quantum key distribution applications. Effects of Raman scattered photons are evaluated and are found to be manageable when appropriately ...
Coherent State Quantum Key Distribution with Continuous-Wave Laser Beams
Quantum optics Optical security encryption Quantum communications
2015/6/10
Continuous variable quantum key distribution relies on the transmission of weakly modulated coherent states and the detection of optical field for secure communication. In this talk, we give an overvi...
Use of discrete modulation and a continuous wave local oscillator in a 24 km continuous variable quantum key distribution system
Quantum cryptography Quantum communications
2015/6/10
We implement an experimental continuous variable quantum key distribution system over 24 km of optical fiber that uses discrete signaling and a continuous wave local oscillator. A secure key rate of 3...
Quantum Key Distribution over Atomic-Ensemble Quantum Repeaters
Quantum communications Quantum cryptography
2015/6/10
The key generation rate for quantum key distribution systems that rely on quantum repeaters with atomic-ensemble memories is obtained. We find the cross-over distances at which quantum repeaters outpe...
Passive Decoy State Quantum Key Distribution with Coherent Light
Quantum communications Quantum cryptography Photon statistics.
2015/6/9
We propose a simple method for passive preparation of decoy states in quantum key distribution with coherent light. It involves linear optics together with a photo-detector. The performance is compara...
Implementation of a High-Speed Quantum Key Distribution System for Metropolitan Networks
Quantum cryptography
2015/6/9
Improvement of QKD performance, particularly on key generation rate, has been required to meet current network traffic. A high-speed QKD system should be equipped with low loss receivers with high vis...
We demonstrate the first 10GHz clock-rate, differential-phase-shift-keyed quantum key distribution system on a 10Gb/s multi-user WDM-PON network. A dual feeder fiber scheme is used to reduce spontaneo...
Quantum Key Distribution offers the promise of secure communication at unprecedented security level. Secure systems can be implemented by standard optical communication components - if done right. We ...
Node Modules and Protocols for the Quantum-Back-Bone of a Quantum-Key-Distribution Network
Node Modules Quantum-Back-Bone Quantum-Key-Distribution Network
2015/7/17
The very recent demonstration of the SECOQC QKD-network convincingly extended single QKD-links to QKD-networks gaining new functionalities. The needed interfaces, protocols and node modules are explai...
Gigahertz Clocked Quantum Key Distribution System using FPGA
Gigahertz Clocked Quantum Key Distribution System FPGA
2015/7/17
An implementation of 1-GHz clocked differential-phase-shift quantum key distribution system is reported.High speed signal generation and its storage were realized by using FPGA. A stable operation was...
Colourless Interferometric Technique for Large Capacity Quantum Key Distribution Systems by use of Wavelength Division Multiplexing
Colourless Interferometric Technique Large Capacity Quantum Key Distribution Systems Wavelength Division Multiplexing
2015/7/14
A novel interferometric technique is proposed for high-capacity quantum key distribution using wavelength division multiplexing. With additional phase modulation, we exhibited valid interference at an...
The SECOQC Quantum Key Distribution Network in Vienna
SECOQC Quantum Key Distribution Network Vienna
2015/7/14
An overview of the Quantum Key Distribution (QKD) Network Prototype is given. We present the QKD link devices and the node modules that build up the network and discuss its architecture, functionality...
A recent progress of quantum key distribution (QKD) technique will be reviewed. We will also introduce key technologies of our high-speed QKD system, highly efficient photon detectors with small dark ...