搜索结果: 16-25 共查到“知识库 工学 long haul”相关记录25条 . 查询时间(0.049 秒)
Experimental Comparison of Nonlinear Compensation in Long-Haul PDM-QPSK Transmission at 42.7 and 85.4 Gb/s
Nonlinear Compensation Long-Haul PDM-QPSK Transmission
2015/7/20
We compare the nonlinear limits of 42.7 and 85.4 Gb/s PDM-QPSK transmission. Intra-channel nonlinearity compensation is demonstrated, with increase of optimum launch power by 1dB in each case and corr...
Polarization Multiplexed 20 Gbaud Square 16QAM Long-Haul Transmission over 1120 km using EDFA Amplification
Polarization Multiplexed Transmission EDFA Amplification
2015/7/16
Single-channel transmission of 20 Gbaud single-polarization / polarization multiplexed Square 16QAM at bitrates of 80 /160 Gbit/s is experimentally demonstrated over record distances of 1300 / 1120 km...
Modulation Formats for Ultra Long-Haul Undersea Transmission
Modulation Formats Ultra Long-Haul Undersea Transmission
2015/7/16
This paper reviews recent technology advances in modulation formats including RZ-DQPSK, PDM RZ-DPSK, and offset PDM RZ-DPSK for 40G undersea transmission. Research activities on 100G long-haul transmi...
100Gb/s WDM NRZ-PM-QPSK Long-Haul Transmission Experiment over Installed Fiber Probing Non-Linear Reach With and Without DCUs
WDM NRZ-PM-QPSK Transmission Experiment Installed Fiber Probing Non-Linear Reach Without DCUs
2015/7/15
We present an experiment of WDM 100Gb/s coherent NRZ-PM-QPSK transmission over 16 spans of installed SSMF. We used variable span loss, with and without optical dispersion compensation, to investigate ...
POLMUX-QPSK modulation and coherent detection:the challenge of long-haul 100G transmission
POLMUX-QPSK modulation long-haul 100G transmission
2015/7/15
The rise of coherent detection and digital signal processing is drastically changing the design of optical transmission systems. In this paper we review the challenges and opportunities offered by suc...
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...
Power Divergence Due to Wavelength Rerouting in Long Haul Circulating Loop Experiments
Wavelength Rerouting Long Haul Circulating Loop
2015/8/6
The power divergence and the resulting transmission penalty due to wavelength rerouting is measured in long-haul transmission for different power adjustment steps in an applied constant gain circulati...
Experimental Analysis of 100Gb/s Coherent PDM-QPSK Long-Haul Transmission under Constraints of Typical Terrestrial Networks
Coherent PDM-QPSK Long-Haul Transmission Constraints Typical Terrestrial Networks
2015/8/3
Coherent transmission systems using PDM-QPSK format are found particularly robust to the constraints of all-erbium amplifiers based, transparent terrestrial networks when operating at 100Gb/s channel ...
10,000 km 21.4Gb/s WDM APS-DPSK With High Spectral Efficiency for Ultra-Long-Haul Submarine Upgrades
WDM APS-DPSK High Spectral Efficiency Ultra-Long-Haul Submarine Upgrades
2015/7/30
21.4Gb/s APS-DPSK transmission over 10,000km has been achieved over legacy submarine fibre demonstrating that upgrades to transpacific links are possible at double the spectral efficiency of previous ...
Long Haul Transmission of Optical Minimum Shift Keying Format
Long Haul Transmission Optical Minimum Keying Format
2015/7/30
We performed the first long-haul transmission experiments with optical minimum shift keying format (MSK). Single channel 10Gbit/s MSK transmission was achieved over 6400 km of standard single mode fib...