搜索结果: 1-15 共查到“工学 WDM PONs”相关记录17条 . 查询时间(0.084 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...
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...
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...
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...
Colourless Real-Time Optical OFDM End-to-End Transmission at 7.5Gb/s over 25km SSMF Using 1GHz RSOAs for WDM-PONs
Fiber optic communications Modulation Fibres single mode
2015/6/8
Colourless real-time 16-QAM optical OFDM end-to-end transmission at 7.5Gb/s over 25km SSMF is demonstrated experimentally, for the first time, using variable power loading and live-optimised RSOA inte...
Optimization and Comparison of the Transmission Performance of RSOA/SOA Intensity-Modulated Optical OFDM Signals for WDM-PONs
Fiber optics communications Modulation Semiconductor optical amplifiers
2015/6/4
For optical OFDM IMDD systems, optimum operating conditions of RSOA/SOA intensity modulators are identified, under which similar performances are obtained for different modulators. Under low-cost comp...
10 Gb/s 1550 nm VCSEL transmission over 23.6 km Single Mode Fiber with no Dispersion Compensation and no Injection Locking for WDM PONs
Vertical surface cavity emitting diodes
2015/6/4
We demonstrate 10Gb/s VCSEL transmission for WDM PON over 23.6km single mode fiber. Dispersion penalty is limited to 2.9dB by introducing a wavelength offset with respect to the remote array waveguide...
Cost Efficient Directly Modulated DPSK Downstream Transmitter and Colourless Upstream Remodulation for Full-duplex WDM-PONs
Optical communications Phase modulation
2015/6/4
We implement a cost efficient 10.7Gb/s directly modulated DPSK transmitter in a bidirectional WDM-PON, which also remodulates the downstream phase encoded signal for 2.5Gb/s OOK upstream transmission.
Colourless FSK/ASK Optical Network Unit Based on a Fabry Pérot Type SOA/REAM for Symmetrical 10 Gb/s WDM-PONs
Colourless FSK/ASK Optical Network Fabry Pérot Type SOA/REAM WDM-PONs
2015/7/16
An Optical Network Unit based on colourless detection of optical frequency modulated signals based on a combination of Semiconductor Optical Amplifier and Reflective Electroabsorption modulator with i...
Reduction of Rayleigh Backscattering and Reflection Effects in WDM-PONs by Optical Frequency Dithering
Rayleigh Backscattering Reflection Effects WDM-PONs Optical Frequency Dithering
2015/8/6
The reduction of both Rayleigh backscattering and reflections in passive optical networks with remotely seeded network units by means of optical frequency dithering is demonstrated.
A self wavelength managed tunable laser for WDM-PONs
wavelength managed tunable laser WDM-PONs
2015/8/3
We propose a novel automatic wavelength control method for a tunable laser for wavelength division multiplexed-passive optical networks by using a low power broadband light source.