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32-bit/s/Hz Spectral Efficiency WDM Transmission over 177-km Few-Mode Fiber
32-bit/s/Hz Spectral Efficiency WDM Transmission over 177-km Few-Mode Fiber
2014/11/6
We transmit 32 WDM channels over 12 spatial and polarization modes of 177 km few-mode fiber at a record spectral efficiency of 32 bit/s/Hz. The transmitted signals are strongly coupled and recovered u...
300 Mbps Transmission with 4.6 bit/s/Hz Spectral Efficiency over 50 m PMMA POF Link Using RC-LED and Multi- Level Carrierless Amplitude Phase Modulation
300 Mbps Transmission 4.6 bit/s/Hz Spectral Efficiency PMMA POF Link Multi- Level Carrierless Amplitude Phase Modulation
2011/5/18
Successful transmission of up to 300 Mbps over a 50 m long POF link using a commercially available Fast Ethernet capable RC-LED is presented. Carrierless Amplitude Phase modulation was used with 16- a...
OFDM Spectral Efficiency Limits from Fiber and System Non-Linearities
Fiber optic communication Modulation
2010/6/8
Coherent optical OFDM systems offer a straight-forward approach to address high spectral effi-ciency. Non-linear impairments set limits to the maximum spectral efficiency. The limiting effects are ex-...
High Spectral Efficiency Phase and Quadrature Amplitude Modulation for Optical Fiber Transmission–Configurations, Trends, and Reach
High Spectral Efficiency Phase Quadrature Amplitude Modulation Optical Fiber Transmission–Configurations
2009/7/16
Catering to the current interest in high-order modulation formats, this paper discusses possible transmitter configurations and receiver concepts. Moreover, the major trends in system performance are ...
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
2008/7/30
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 ...