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Atomic imperfections move quantum communication network closer to reality
Atomic imperfections move quantum communication network closer
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
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
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
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
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 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
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
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
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
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
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...
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
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
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
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...