搜索结果: 1-15 共查到“工学 PONs”相关记录32条 . 查询时间(0.062 秒)
Noise Suppression for Fiber Radio Transmission on Spectrum-Sliced WDM-PONs Employing Interferometric Structures
Fiber optics communications Radio frequency photonics
2015/5/26
We propose a novel noise-suppression scheme in spectrum-sliced WDM-PONs.Experimentally, low-noise windows can be created in which the noise is reduced by more than 20dB and the performance of vector s...
Performance evaluation and improvement methods for low-driving voltage transmitters in long reach PONs
Fiber Optics Communications Networks network optimization
2015/5/26
The performance of two common low-driving voltage (low-ER) sources is experimentally evaluated for long reach PON applications, considering also partial optical dispersion compensation and electronic ...
Novel Architectures for Orthogonal Wavelength Division Multiplexed Passive Optical Networks (OWDM-PONs) in a 25-GHz Grid
Networks Optical communications
2015/5/22
A novel orthogonal wavelength-division-multiplexed passive optical network with 25-GHz channel spacing has been proposed and experimentally demonstrated for the first time.Error-free transmission over...
Remotely Pumped WDM-PONs for Bidirectional 10-Gb/s Transmission with Channel Fault Monitoring
Fiber optics communications Fiber optics amplifiers oscillators
2015/5/22
WDM-PONs for 10-Gb/s bidirectional transmission are realized with REAMs as ONUs and ASE source for channel fault monitoring. The remotely pumped scheme can simultaneously boost up- and down-stream sig...
1.3 μm all-VCSEL low complexity coherent detection scheme for high bit rate and high splitting ratio PONs
Fiber optics communications Vertical cavity surface emitting lasers Coherent
2015/5/21
Full 1.3 μm VCSEL-based simplified coherent detection receiver is demonstrated at 5 Gbps. Receiver sensitivity of -34 dBm is achieved providing link reach and splitting ratio extension for future pass...
Time-Interleaved Phase Remodulation to Enable Broadcast Transmission in Bidirectional WDM-PONs without Additional Light Sources
Time-Interleaved Phase Remodulation Enable Broadcast Transmission Bidirectional WDM-PONs without Additional Light Sources
2015/5/21
Time-interleaved phase remodulation is proposed to realize broadcast transmission for WDM-PONs. Simultaneous transmission of 5-Gb/s bidirectional unicast data and broadcast data is demonstrated at the...
Line Coding for Downlink DML Modulation in λ λ-Shared, RSOA-based Asymmetric Bidirectional WDM PONs
Line Coding Downlink DML Modulation λ λ-Shared RSOA-based Asymmetric Bidirectional WDM PONs
2015/5/20
We experimentally investigate the use of various DC-balanced line codes for downlink modulation in single-fiber, wavelength-shared WDM-PON systems which employ 10-Gbps directly modulated lasers and 2....
Self-seeding of R-SOAs is a polarization dependent process resulting in unstable operations. We experimentally demonstrate a passive stabilization technique enabling class carrier availability in 1.25...
Effective Accommodation for Users Located in Long / Short Distance Areas through PONs with Dual Stage Splitter Configuration Using ALC Burst-Mode Optical Amplifier
Long / Short Distance Areas Dual Stage Splitter Configuration Burst-Mode Optical Amplifier
2015/5/18
An ALC circuit that comprises our burst-mode optical amplifier suppresses the ASE noise in the time slots assigned to short-distance area and provides effective coexistence between long and short dist...
An Efficient MAC Protocol for Asynchronous ONUs in OFDMA PONs
MAC Protocol OFDMA PON Asynchronous ONU
2015/5/18
We propose an efficient MAC protocol for OFDMA PONs that eliminates the synchronization requirement of ONUs and also exploits the statistical multiplexing gain among traffic of all ONUs for high perfo...
Techno-economic study of high–splitting ratio PONs and comparison with conventional FTTH-PONs/FTTH-P2P/ FTTB and FTTC deployments
Techno-economic FTTH-PONs/FTTH-P2P/ FTTB FTTC deployments
2015/5/15
We present a techno-economic study on the outside plant costs comparison between the standard FTTH-PON deployments with future high-splitting ratio PONs. The high-splitting ratio PONs are also compare...
An ASE-Injected FP-LD-Based Return-to-Zero Transmitter for Long-Reach WDM-PONs
Fiber optics optical communications Fiber optics communications
2015/6/10
We propose and demonstrate a simple RZ transmitter based on incoherent-light-injected FP-LD which improves the dispersion tolerance by a factor of 1.5. Thanks to wide timing margin between adjacent bi...
All-Optical Carrier Recovery with Periodic Optical Filtering for Wavelength Reuse in RSOA-based Colorless Optical Network Units in Full-Duplex 10Gbps WDM-PONs
Fiber optics communications Modulation All-optical devices
2015/6/10
Optically assisted downstream cancellation for wavelength reuse in WDM-PONs is demonstrated, allowing downstream extinction ratios up to 9dB for symmetrical full-duplex data transmission at 10Gbps wit...
Results from EU Project SARDANA on 10G extended reach WDM PONs
Optical Communications Fiber optics amplifiers
2015/6/8
The presented “Scalable Advanced Ring-based passive Dense Access Network Architecture” transparently integrates WDM metro and PON access technologies,implementing ring protection, 100Km reach and up t...
Wavelength Conversion Towards Rayleigh Backscattering Tolerant PONs via Four-Wave Mixing in SOA-based ONUs
Fiber optics communications Nonlinear optics four-wave mixing
2015/6/8
Wavelength shifting in PONs with downstream signal remodulation is presented,allowing upstream transmission over trees with 25km feeder and 1:32 split with penalties <2dB,originally Rayleigh backscatt...