搜索结果: 1-15 共查到“光学工程 crosstalk”相关记录25条 . 查询时间(0.046 秒)
Compact bends for multi-mode photonic crystal waveguides with high transmission and suppressed modal crosstalk
Nanophotonics photonic crystals Integrated optics devices Photonic crystal waveguides
2015/8/7
We demonstrate an extremely compact bend for a photonic crystal waveguide supporting three spatial modes. The bend exhibits nearly 100% transmission over a relative bandwidth of 1% with less than 1% c...
A novel micro-grooved structure of lightguides and a sequential driving scheme of light soures were demonstrated in achieving comparable image qualities of 3-D displays to that of 2-D displays. The mo...
Multi-stage Carrier Phase Recovery and Nonlinear Polarization Crosstalk Canceller for XPM Mitigation
Coherent communications Nonlinear optics fibers
2015/5/26
Novel XPM mitigation technique by coordination of carrier phase recovery and nonlinear polarization crosstalk canceller is proposed. It doubles the Q improvement over conventional method in 112Gb/s DP...
Reduction of Crosstalk by Trench-Assisted Multi-Core Fiber
Fiber characterization Fiber design fabrication
2015/5/26
Trench-assisted multi-core fiber (TA-MCF) is proposed to achieve high dense MCF design with a solid structure. The crosstalk value at 1.55 μm of fabricated TA-MCF is estimated to be –35 dB at 100 km.
Low-Crosstalk and Low-Loss Multi-Core Fiber Utilizing Fiber Bend
Fiber design and fabrication Fiber optics optical communications
2015/5/26
We designed and fabricated a multi-core fiber whose attenuation is less than 0.18 dB/km and effective area is about 80 m 2 . Crosstalk was observed be less than -55.5 dB after 17.6 km propagat...
Impact of Crosstalk on MB-OFDM UWB Transmission in Radio over Fiber WDM System
Fiber optics optical communications Radio frequency photonics
2015/5/22
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...
φ25 mm Coin-sized Polarization-Maintaining Highly ?onlinear Fiber Module with Practical Polarization Crosstalk
Fiber optics Nonlinear optics fibers
2015/5/22
Down-sized polarization-maintaining highly nonlinear fiber with 100m length is packaged into a φ25×5mm module with -22dB of polarization crosstalk for the first time. FWM wavelength conversion bandwid...
Experimental Characterization of Nonlinearity Mitigation by Digital Back Propagation and Nonlinear Polarization Crosstalk Canceller under High PMD condition
High PMD condition Digital Back Propagation Nonlinear Polarization Crosstalk Canceller
2015/5/15
Impact of PMD is evaluated on nonlinear mitigation algorithm. While the backpropagation showed consistent improvement regardless of PMD, the best performance was found under different PMD conditions d...
New PMD-Induced Crosstalk in the Presence of PDL in a Polarization-Multiplexed Ultrahigh-Speed Transmission
PMD-Induced Polarization-Multiplexed Ultrahigh-Speed Transmission
2015/5/15
New impairments in polarization-multiplexed ultrahigh-speed transmission in the presence of PMD and PDL are identified analytically and experimentally. Crosstalk is inevitable even with PSP launching,...
Reduction of Crosstalk by Quasi-Homogeneous Solid Multi-Core Fiber
Fiber characterization Fiber design fabrication
2015/6/10
Power-conversion efficiency reduction on a quasi-homogeneous solid multi-core fiber is numerically investigated. The fiber length dependence of measured crosstalk of fabricated fibers is in good agree...
Nonlinear Polarization Crosstalk Canceller for Dual-Polarization Digital Coherent Receivers
Optical communications Coherent communication
2015/6/10
A novel method is proposed to compensate polarization crosstalk induced by inter-channel nonlinearity. Experiments have demonstrated that the proposed method provides over 1 dB performance improvement...
Stability of Amplified DPSK WDM Transmission against Raman Crosstalk Effects
Pulse propagation temporal solitons Raman effect
2015/6/5
We investigate Raman-crosstalk-induced amplitude dynamics in amplified DPSK WDM transmission. We prove existence and stability of equilibrium states with nonzero amplitudes in all channels. Our result...
Impact of ROADM In-band Crosstalk on 40G DPSK Signals
Optical switching devices Fiber optics optical communications
2015/6/5
Transmission penalties of ROADM isolation functions in high capacity systems are quantified using a weighted crosstalk. Excellent correlation between the weighted crosstalk and the OSNR penalty of 40G...
We characterize optical crosstalk and the associated bit-error rate degradation in silicon nanowaveguides. Our results indicate that the crosstalk decreases with increasing modulation frequency and de...
Impact of Crosstalk in Capacity performance of WDM/OCDMA System
Fiber optics communications Networks
2015/6/4
The capacity of WDM/OCDMA system is analyzed under time-wavelength domain crosstalk to determine the simultaneous capacity threshold. The system’s crosstalk, channel spacing and datarate are optimized...