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Atomic imperfections move quantum communication network closer to reality
Atomic imperfections move quantum communication network closer
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2017/7/24
An international team led by the University of Chicago’s Institute for Molecular Engineering has discovered how to manipulate a weird quantum interface between light and matter in silicon carbide alon...
GREENHOUSES DETECTION USING AN ARTIFICIAL NEURAL NETWORK WITH A VERY HIGH RESOLUTION SATELLITE IMAGE
Artificial Neural Network Very High Resolution Satellite Image Texture Analysis
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2015/8/31
Detecting and locating greenhouses in south-east of Spain is very important for politicians and other persons who may take decisions
about management of natural resources and who must design agricul...
NETWORK ORIENTATION MODELS FOR IMAGE-BASED 3D MEASUREMENT
close-range photogrammetry image orientation automation relative orientation collinearity projective geometry
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2015/8/7
Network orientation is a fundamental step in image-based 3D measurement. This paper aims to offer insights into
network orientation by considering developments in analytical close-range photogrammet...
A transparent electrode based on a metal nanotrough network
transparent electrode metal nanotrough network
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2015/8/7
Transparent conducting electrodes are essential components for numerous flexible optoelectronic devices, including touch screens and interactive electronics1–4.
Uniform Self-Forming Metallic Network as a High-Performance Transparent Conductive Electrode
crack template patterning touch-screen displays transparent conductive electrode
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2016/12/2
Materials with simultaneous high electrical conductivity and optical transmittance are essential for various optoelectronic devices, such as touch-screen displays,[1–4] solar cells,[2,5–7] and organic...
Hybrid optical access network integrating fiber-to-the home and radio-over-fiber systems
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2011/11/22
Hybrid optical access networks, integrating fiber-tothe-home (FTTH) and radio-over-fiber (RoF) systems that share a single distributed infrastructure, are promising for future multiservice access netw...
HOPSMAN: An Experimental Testbed System for a 10-Gb/s Optical Packet-Switched WDM Metro Ring Network
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2011/11/18
For future WDM MANs, optical packetswitching has been considered to be a promising paradigm that efficiently supports a wide range of Internet-based applications having time-varying and high bandwidth...
Hybrid Access Network Integrated With Wireless Multilevel Vector and Wired Baseband Signals Using Frequency Doubling and No Optical Filtering
EXPERIMENTAL SETUP optical power Wireless Multilevel Vector
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2011/11/17
FIBER-TO-THE-x (FTTx) have been widely constructed for high data rate wired services to provide triple-play services including voice, data, and video [1]. On the other hand, radio-over-fiber (RoF) tec...
Radio over Fiber tunnel for 60 GHz wireless Home Network
Fiber optics optical communications Fiber optics communications
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2015/5/26
60GHz radio coverage is extended by using RoF at intermediate frequency with two hops in the air. MMF and low-cost photonics are used. Real-time transmission between two commercial Wireless-HD devices...
A Novel Scheme for Seamless Integration of ROF System with OFDM-CPM WDM Passive Optical Network
Networks Fiber optics communications
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2015/5/26
A novel scheme to generate, transmit and receive an optical OFDM-CPM signal in the architecture for seamless integration of ROF system with 4 × 2.5Gb/s WDM-PON is proposed and experimentally validated...
Broadband Ubiquitous Network Based on RoF-DAS over WDM-PON
Fiber optics communications Networks combinatorial network design
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2015/5/26
This report is the first demonstration of RoF-DAS over WDM-PON with TDM techniques to realize a broadband ubiquitous wireless access with a gigabit-class throughput. The optical transmission performan...
Interaction between Applications and the Network
Multiplexing Networks circuit-switched
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2015/5/26
Optical circuit-switched networks deployed in core (backbone) networks are used pri-marily to offer leased-line (“static”) services to interconnect IP routers. Most end-user applications are implement...
Realistic Approaches to Scaling the IP Network using Optics
Networks Networks wavelength routing
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2015/5/26
We compare the relative cost and complexity of network architectures that reduce the cost of the IP layer over DWDM. We conclude that a combination of IPoDWDM and flexible spectrum provide the most pr...
A network design technique for selective restoration
network design technique selective restoration
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2015/5/25
We outline a network design technique that exploits differences in the failure rate and impact of network elements to produce a more efficient design. We demonstrate its efficacy on a Tier-1 backbone ...
Comparison of OFDMA and SC-FDMA Channel Access Techniques in a Passive Optical Network Environment
Comparison OFDMA SC-FDMA Channel Access Techniques Passive Optical Network Environment
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2015/5/25
For the first time, OFDMA and SC-FDMA are compared experimentally as candidate uplink access techniques for next-generation PONs. Important issues like peak-to-average power ratio, optical beat interf...