搜索结果: 16-30 共查到“知识库 光电子技术 Transmission”相关记录123条 . 查询时间(0.078 秒)
10 Gbit/s Wireless Transmission Using Millimeter-Wave over Optical Fiber Systems
Optoelectronics Fiber optics optical communications Radio frequency photonics
2011/5/25
Millimeter-Wave-over-fiber systems are widely considered as a disruptive technology for high data rate wireless communications. This paper reviews recent achievements and trends in millimeter-wave-ove...
Impact of Crosstalk on MB-OFDM UWB Transmission in Radio over Fiber WDM System
Fiber optics optical communications Radio frequency photonics
2011/5/22
We experimentally investigate the impact of crosstalk on the performance of MB-OFDM UWB signal transmission in RoF WDM system. It is found that OFDM signal’s orthogonalities are almost kept after 20 k...
Beyond 2.5Gb/s Photonic Generation and Wireless Transmission of Different Pulse Modulation Formats for a High Speed Impulse Radio UWB over Fiber System
Fiber optics communications Radio frequency photonics
2011/5/22
We experimentally demonstrate beyond 2.5Gbps photonic generation of different pulse modulation formats for impulse radio ultra-wideband (IR-UWB) over fiber application. IR-UWB transmission over 20km f...
WDM Transmission of 152-Gb/s Polarization Multiplexed RZ-16QAM Signals with 25-GHz Channel Spacing over 15× ×80-km of SSMF
Fiber optical communications Fiber optics links subsystems
2011/5/22
We demonstrate transmission of 20×152-Gb/s PolMux-RZ-16QAM at a channel spacing of 25 GHz (5.68 b/s/Hz) over 15×80-km spans of SSFM. Coherent detection was used to recover the transmitted data and we ...
117-Gb/s Optical OFDM Super-channel Transmission over 1200-km SSMF Using Direct Detection and EDFA-Only Amplification
Fiber optics communications Modulation
2011/5/22
With EDFA-only amplification, we successfully demonstrate the transmission of a 4-QAM, 117-Gb/s (100 Gb/s without overhead) DDO-OFDM super-channel over 1200-km SSMF with only 1-dB OSNR penalty. We als...
Remotely Pumped WDM-PONs for Bidirectional 10-Gb/s Transmission with Channel Fault Monitoring
Fiber optics communications Fiber optics amplifiers oscillators
2011/5/22
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...
Performance prediction for WDM PM-QPSK transmission over uncompensated links
Coherent communications Nonlinear optics fibers
2011/5/21
We derive closed-form expressions depending on a single fitting parameter for performance prediction of WDM PM-QPSK long-haul uncompensated transmission. Besides general properties, we demonstrate tha...
Signal Chirp Design for Suppression of Nonlinear Polarization Scattering in DP-QPSK Transmission
Signal Chirp Design Suppression Nonlinear Polarization Scattering DP-QPSK Transmission
2011/5/21
We analyze chirp techniques for suppression of nonlinear effects in DP-QPSK transmission. Simulations reveal that a significant reduction in nonlinear polarization scattering can be achieved by proper...
Mitigation of Nonlinearities in Optical Transmission Systems
Mitigation Nonlinearities Optical Transmission Systems
2011/5/21
Nonlinear compensation with digital back-propagation can improve Q-factor by more than 1dB, proven by experiments. Simplification of propagation model is the key to suppress circuit size, whereas stra...
Nine-Way Optical Wavelength Multicasting and Field Trail Transmission over Optical Network Test-bed (JGN2Plus)
Nine-Way Optical Wavelength Multicasting Field Trail Transmission Optical Network Test-bed (JGN2Plus)
2011/5/20
We experimentally demonstrate 1-to-9 optical wavelength multicasting, based on dual-pump four-wave mixing in highly-nonlinear fiber. A 100-km field trial experiment is also conducted to demonstrate th...
An Optimal Tone Reservation Method for IM/DD Optical OFDM Transmission in Multimode Fiber
Optimal Tone Reservation Method IM/DD Optical OFDM Transmission Multimode Fiber
2011/5/20
We propose an optimal, yet efficient tone reservation method which enables distortion-free IM/DD optical OFDM transmission with no additional bias. Compared to previous approaches, both spectral and p...
Performance Investigation of Polarization-Multiplexed 16-QAM using All-Optical OFDM Transmission and Digital Coherent Detection
Performance Investigation Polarization-Multiplexed All-Optical OFDM Transmission Digital Coherent Detection
2011/5/20
We generated a 500-Gb/s AO-OFDM signal with DP-16QAM modulating each subcarrier and detected the signal using coherent detection. We investigated the effects of DSP oversampling and receiver bandwidth...
Linear and nonlinear impairment mitigation for enhanced transmission performance
Linear nonlinear impairment mitigation enhanced transmission performance
2011/5/20
We review the unique resistance of coherent systems to linear effects and the challenges to digitally mitigate nonlinearities. We also show how linear effects can sometimes turn out to be beneficial b...
Transmission of 112 Gb/s PM-QPSK Signals over 7200 km of Optical Fiber with Very Large Effective Area and Ultra- Low Loss in 100 km Spans with EDFAs Only
Transmission 112 Gb/s PM-QPSK Signals Optical Fiber Ultra- Low Loss EDFAs Only
2011/5/20
We experimentally investigate transmission of 16×112 Gb/s PM-QPSK signals over an optical fiber with effective area of 134 μm 2 and attenuation of 0.162 dB/km. We demonstrate transmission over 7200 km...
100Gb/s dual-carrier DP-QPSK performance after WDM transmission including 50GHz Wavelength Selective Switches
100Gb/s dual-carrier DP-QPSK performance WDM transmission Wavelength Selective Switches
2011/5/18
Using a real-time intradyne receiver, we characterize the tolerance of a 100Gb/s dual-carrier dual-polarization-QPSK signal to carrier frequency separation and frequency offset after WDM transmission ...