搜索结果: 1-15 共查到“光学工程 112 Gb/s”相关记录16条 . 查询时间(0.078 秒)
Performance Improvement by Fibre Nonlinearity Compensation in 112 Gb/s PM M-ary QAM
Coherent communications Nonlinear optics fibers
2015/5/26
We demonstrate that digital back-propagation offers up to six-fold enhancement in transmission reach when nonlinear fibre impairments are compensated in coherently-detected 112 Gb/s PM m-ary QAM, with...
Interplay between PMD and Nonlinearity in 112 Gb/s DP-QPSK Transmission with Co-propagating 10.7 Gb/s NRZ Channels
Fiber optics communications Coherent communications
2015/5/26
We experimentally demonstrate interplay between PMD and nonlinearity in 112 Gb/s DP-QPSK signal transmission with 10.7 Gb/s NRZ neighbors can have both positive and negative impact depending on channe...
Fast Parallelized Simulation of 112 Gb/s CP-QPSK Transmission Systems using Stratified Monte-Carlo Sampling
Fiber optics communications Coherent communications
2015/5/26
A novel parallelized implementation of the split-step Fourier method on graphics processing units was developed. The combination of Monte-Carlo simulations with single and double precision yields a sp...
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
2015/5/20
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...
Scaling 112 Gb/s PDM-QPSK Hybrid Optical Networks
112 Gb/s Hybrid Optical Networks PDM-QPSK
2015/5/18
We experimentally and numerically determined the nonlinear transmission impairments for a hybrid PDM-QPSK/OOK network. Results are quantified via a nonlinear phase metric and can be used as design rul...
Nonlinear Tolerance of 112-Gb/s DP-QPSK in a Live Field Upgrade Trial over a 848km 10G DWDM Link
Live Field Upgrade 10G DWDM Link Nonlinear Tolerance DP-QPSK
2015/5/18
An in-service field trial with coherently detected DP-QPSK at 112 Gb/s was performed over a Telefónica live link of 848km, testing long term stability and determining noise margin and optimum launch p...
Comparison of RZ and NRZ Formats in 112-Gb/s PDM- QPSK Long Haul Coherent Transmission Systems
Coherent Transmission Systems PDM- QPSK RZ\NRZ Formats
2015/5/15
We show that 112-Gb/s PDM-QPSK coherent transmission systems with RZ pulse shape have better tolerance to ROADM filtering than NRZ, and time-interleaved RZ-PDM-QPSK outperform NRZ-PDM-QPSK in nonlinea...
Performance Comparison of 112 Gb/s PM-QPSK Transmission with NZ-DSF Dispersion Compensation Configurations for Lower Bit Rates
Dispersion Compensation Lower Bit Rates Performance Comparison
2015/5/14
We investigate transmission performance for 112 Gb/s PM-QPSK DWDM systems over NZ-DSF with configurations enabled by NZ-DSF dispersion characteristics. We find flexibility in dispersion compensation f...
Demonstration of Polarization Insensitive Wavelength Conversion of 112-Gb/s Polarization Multiplexed RZ- QPSK Signals Using Bismuth-Oxide-based Nonlinear Optical Fiber with High SBS Threshold
Fiber Optics Communications Networks
2015/6/10
Polarization insensitive wavelength conversion by employing a dual pump scheme in 112-Gb/s polarization-multiplexed RZ-QPSK system has been realized by using a 2-m Bismuth-Oxide-based nonlinear optica...
Systematic Analysis on Multi-Segment Dual-Polarisation Nonlinear Compensation in 112 Gb/s DP-QPSK Coherent Receiver
Systematic Analysis Dual-Polarisation Nonlinear Compensation DP-QPSK Coherent Receiver
2015/7/20
Dependencies on segment number, dispersion map, and fibre launched power were investigated experimentally and numerically. Uncompensated 25 spans standard SMF link can enjoy net Q gain of 1.7dB with 2...
10 × 112-Gb/s PDM 16-QAM Transmission over 1022 km of SSMF with a Spectral Efficiency of 4.1 b/s/Hz and no Optical Filtering
ransmission SSMF Spectral Efficiency Optical Filtering
2015/7/16
Ten 25-GHz-spaced wavelength-division-multiplexed channels using 112-Gb/s polarization-division-multiplexed 16-QAM are transmitted over 1022 km of standard single-mode fiber. Owing to electrical-drive...
Analysis and Dimensioning of Fully Digital Clock Recovery for 112 Gb/s Coherent Polmux QPSK Systems
Fully Digital Clock Recovery Coherent Polmux QPSK Systems
2015/7/16
Combined effect of polarization mixing and Differential Group Delay (DGD) on sinusoidal and random jitter tolerance is investigated. Requirements for tolerable DGD, loop bandwidth and loop delay are e...
Nonlinear Behaviour of 112 Gb/s Polarisation-Multiplexed RZ-DQPSK with Direct Detection in a 630 km Field Trial
Nonlinear Behaviour Polarisation-Multiplexed RZ-DQPSK Direct Detection Field Trial
2015/7/15
PM-RZ-DQPSK with direct detection and fast optical polarisation tracking achieves 6dB noise margin over a long-haul field link. The crosstalk by 10&40G OOK channels at 50GHz spacing is analysed for hi...
Volterra Nonlinear Compensation of 112 Gb/s Ultra-long-haul Coherent Optical OFDM based on Frequency-Shaped Decision Feedback
Volterra Nonlinear Compensation Ultra-long-haul Coherent Optical OFDM Frequency-Shaped Decision Feedback
2015/7/14
A novel DSP-based FWM compensation scheme for 112Gb/s CO-OFDM based on decision-feedback-aided frequency-shaped Volterra nonlinear filtering, with low O(MlogM) realization complexity, improves the wor...
112-Gb/s Polarization-Multiplexed 16-QAM on a 25-GHz WDM Grid
Polarization-Multiplexed WDM Grid
2015/8/6
We demonstrate intradyne detection of 112-Gb/s 16-QAM (14-Gbaud, polarization-multiplexed) in a 10-channel WDM environment on a 25-GHz grid. We show the robustness of a central channel to multiple add...