搜索结果: 1-15 共查到“光学工程 key”相关记录19条 . 查询时间(0.161 秒)
Vitamin C is key to protection of new nanomaterial（图）
Vitamin C key protection new nanomaterial
2019/7/19
In work that could open future applications for a new class of nanomaterials known as MXenes (pronounced "Maxines"), researchers at Texas A&M University have discovered a simple, inexpensive way to pr...
BUILDING ANALYSIS FOR URBAN ENERGY PLANNING USING KEY INDICATORS ON VIRTUAL 3D CITY MODELS – THE ENERGY ATLAS OF BERLIN
Energy Atlas Energy Assessment Energetic City Planning Virtual 3D City Model Urban Information Model CityGML Energetic Key Indicators Urban Energy System
2012/7/27
In the context of increasing greenhouse gas emission and global demographic change with the simultaneous trend to urbanization, it is a big challenge for cities around the world to perform modificatio...
Engineering Fiber-Nonlinearity Based Entangled Photon Sources for Quantum Key Distribution Applications
Engineering Fiber-Nonlinearity Based Entangled Photon Sources Quantum Key Distribution Applications
2011/5/20
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 ...
100G – Key Technology Enablers of 100Gbit/s in Carrier Networks
Key Technology 100Gbit/s Carrier Network
2011/5/18
The demand for increased bandwidth is ever present. This paper reviews the attributes of coherent systems in light of the challenges faced by system designers to realize 100 Gb/s optical transmission ...
Remote Amplified Modulators:Key Components for 10 Gb/s WDM PON
Amplified Modulators Key Components WDM PON
2010/6/10
Amplified electro-absorption modulators provide a realistic solution for colorless 10 Gb/s uncooled ONUs. Being compatible with current packaging technologies they will bring the required cost reducti...
Coherent State Quantum Key Distribution with Continuous-Wave Laser Beams
Quantum optics Optical security encryption Quantum communications
2010/6/10
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
2010/6/10
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
2010/6/10
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...
Key Roles of Green Technology for Access Network Systems
General Key Roles Technology Access Network Systems
2010/6/9
ICTs are expected to reduce their own equipment and service energy consumption and mitigate GHG emissions through use of ICTs in other relevant sectors. Standardization activities of green ICTs in ITU...
Passive Decoy State Quantum Key Distribution with Coherent Light
Quantum communications Quantum cryptography Photon statistics.
2010/6/9
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
2010/6/9
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
2009/7/17
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
2009/7/17
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...