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The transmission performance of 50 GHz spaced 40 Gb/s RZ-DQPSK co-propagating with 10 Gb/s signals over legacy submarine fibre was investigated experimentally to show that it is dependent on both the modulation format of the 10 Gb/s signals and the dispersion map.
The transmission performance near a legacy fiber system's zero dispersion region is examined, and it is shown that 40 Gb/s RZ-DQPSK is less sensitive to the nonlinear effect than 10 Gb/s RZ-DPSK.
10 Gbps DPSK electronic pre-equalization transmission was demonstrated over 500 km of 8,170 ps/nm SMF in the laboratory and over 360 km of field-installed SMF without any optical dispersion compensation.
We demonstrate a field trial of 4K uncompressed streaming over multicast-capable 80 (8lambda times 10) Gbps colored optical packet switching network using SOA based broadcast-and-select switch and stacked optical-code label processing.
Optical burst switching using fast, bit-rate transparent switches is presented. Random contention is handled without using optical memory by wavelength conversion. We demonstrate error-free 10 and 40 Gb/s burst contention resolution in a 5times5 node prototype.
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