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Journals and Conferences
We demonstrate a 100 Gbit/s ETDM transmission system with pure electronic signal processing in transmitter and receiver showing error free operation without using OTDM subsystems.
A 16×112Gb/s field trial was performed at the Deutsche Telekom fiber infrastructure with partially high PMD. Using 56Gbaud NRZ-DQPSK, no penalty could be observed when co-propagating with a 10.7Gb/s NRZ. Robust Metro DWDM transmission with attractive carrier-grade margins is demonstrated.
We report on the tolerances of a 107 Gbit/s ETDM ASK-NRZ VSB DWDM transmission system with respect to laser detuning, receiver filter detuning, DGD, residual chromatic dispersion and nonlinear transmission impairments.
This paper reviews the current status in ultra-high speed electronics and optoelectronic components and reports on the recent progress in serial ETDM transmission technologies at channel- bitrates of 85...107 Gbit/s. The challenges associated with 100 Gbit/s ETDM transmission and subsystems implementation are addressed.
A 16 × 112 Gb/s field transmission trial was successfully performed over legacy fiber infrastructure of Deutsche Telekom comprising partially high polarization mode dispersion (PMD) values of 8 ps. Using a commercial PMD compensator, transmission over high PMD with negligible penalty was achieved. Enabled by the maturity of 43 Gb/s components, a 112… (More)
We demonstrate NRZ-VSB modulation at 53.5 Gbit/s applying a dual-drive Mach-Zehnder modulator and compare transmission performance of our VSB-modulated signal with VSB-filtered signals applying electronic dispersion compensation at the receiver.
8×107Gbit/s DWDM transmission is achieved over a 500km field installed fibre link in the Deutsche Telekom network, indicating high link utilization of 1bit/s/Hz spectral efficiency, needed for Terabit/s network capacity, required in a mid-term timeframe.
We report on serial 107 Gbit/s (2x53.5 Gbit/s NRZ-VSB-Polmux) transmission over ~15 km SSMF applying only electronic dispersion compensation with a linear equalizer.
Next-generation optical transport systems are expected to operate at channel data rates of 100Gb/s and beyond. Currently various system concepts and modulation formats for serial 100Gb/s are under consideration running at different symbol rates, e.g., 28 Gbaud, 56 Gbaud, or 112 Gbaud, and offering different trade-offs among modulation speed, spectral… (More)