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Impact of Interferometric Noise on Systems with Soft Blocking Properties
Interferometric Noise Systems Soft Blocking Properties
2015/7/16
Extensive experimental investigation into detrimental effects of interferometric noise on incoherent OCDMA was conducted under varied amount of multiple access interference, with and without applying ...
Broadband Convergence of 60-GHz ROF and WDM-PON Systems with a Single Modulator for Bidirectional Access Networks
Broadband Convergence ROF WDM-PON Systems Single Modulator Bidirectional Access Networks
2015/7/16
We experimentally demonstrated a converged 60-GHz ROF and 10-Gb/s WDM-PON system using an integrated modulator and a single wavelength for the first time. Orthogonal phase modulation is used to reliev...
Evolution of Optical Access Network Technologies in Radio Systems
Evolution Optical Access Network Technologies Radio Systems
2015/7/15
Radio system architecture has drastically changed thanks to the evolution of optical fibre technologies.This paper describes optical access technologies that contribute to the efficient construction o...
Spectrally Efficient Simultaneous Delivery of 112Gbps Baseband Wireline and 60 GHz MM-Wave Carrying 10Gbps Optical Wireless Signal in Radio-over-Fiber WDM-PON Access Systems
Spectrally Efficient Radio-over-Fiber WDM-PON Access Systems
2015/7/15
For the first time, we demonstrate a novel scheme to deliver 112Gbps PolMux-RZ-QPSK baseband and 10Gbps optical wireless signals at 60GHz millimeter-wave in downstream links and 10Gbps centralized lig...
Compact Polarization-Insensitive Array Isolator Built-in SOA Gate Array Switch Module for Large-Scale Switch Systems
Polarization-Insensitive SOA Gate Array Switch Module Large-Scale Switch Systems
2015/7/15
We developed an SOA gate array switch module with a novel polarization-insensitive built-in array isolator. We achieved excellent optical coupling characteristics that had insertion losses of about 3 ...
On the Required Number of WDM Channels When Assessing Performance of 100Gb/s Coherent PDM-QPSK Overlaying Legacy Systems
WDM Channels When Assessing Performance Coherent PDM-QPSK Overlaying Legacy Systems
2015/7/15
We experimentally analyze WDM nonlinear impairments brought by co-propagating 10Gb/s NRZ channels onto a 100Gb/s PDM-QPSK channel. The PDM-QPSK channel can experience strong nonlinear interactions eve...
Warehouse Scale Computers:Bandwidth Drivers for Large Scale Compute Systems
Warehouse Scale Computers Bandwidth Drivers Large Scale Compute Systems
2015/7/15
Traditionally, mechanical, power and civil engineers built the datacenter building, unencumbered by any useful knowledge of what kinds of machines would be placed there, what kind of software they wou...
Novel Technique for On-Site Signal-Monitoring in PON Systems without Service Interruption
Novel Technique Signal-Monitoring PON Systems Service Interruption
2015/7/14
We propose an on-site signal-monitoring technique using a mechanically-induced long-period grating(LPG) for monitoring specific service signals without service interruption. Using the LPG, leaked sign...
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...
Reducing Cyclic Prefix Overhead in Optical OFDM Systems
Reducing Cyclic Prefix Overhead Optical OFDM Systems
2015/7/14
Simulations show that by pre-compensating for dispersion, using bands transmitted with timing offsets and a single-band receiver, the cyclic prefix to be reduced in optical OFDM systems without compro...
Preface to Special Issue on Pico/Femto-Second Molecular Dynamics in Biological Photoreceptors“Proteins-Complex Molecular Systems of Mystery”
Pico/Femto-Second Molecular Dynamics Biological Photoreceptors Proteins-Complex Molecular Systems of Mystery
2009/6/9
Preface to Special Issue on Pico/Femto-Second Molecular Dynamics in Biological Photoreceptors“Proteins-Complex Molecular Systems of Mystery”.
This paper briefly overview recent progress on ultra high capacity optical transmission systems and relevant technologies which make these cutting-edge results happen. Steadily increase of the number ...
Spatial, Temporal, and Interchannel Image Data Fusion for Long-Distance Terrestrial Observation Systems
Spatial Temporal Interchannel Image Data Fusion Long-Distance Terrestrial Observation Systems
2009/5/19
This paper presents methods for intrachannel and interchannel fusion of thermal and visual sensors used in long-distance terrestrial observation systems. Intrachannel spatial and temporal fusion mecha...
AND-subtraction detection modified SNR equation for optical CDMA systems in PON applications
optical code-division multiple access EDW code AND-subtraction detection
2011/5/6
In this paper, AND-subtraction detection scheme compatible with OCDMA system and EDW code
was simulated. The aim of the simulation is to adjust the AND-subtraction detection SNR equation
for better ...
Data Rate Enhancement of RSOA-based WDM PON Systems using Feed-forward Equalizer and Forward Error Correction
WDM PON Systems Feed-forward Equalizer
2015/8/6
Effect of FFE and FEC to enhance the data rate of RSOA was investigated. 4.75Gbit/s was achieved by 0.6GHz RSOA using 4-tap FFE and ~14% FEC.