85.4 Gbit/s ETDM transmission over 401 km SSMF applying UFEC

80+ GBit/s ETDM systems implementation: an overview of current technologies

“…These improvements are already yielding benefits in upgrading the performance of forthcoming 40G systems, and contributing towards the demonstration of optical systems operating at 80G and beyond [13][14][15][16]. With a commercially available low V21 push-pull Lithium Niobate modulator, 100 GBit/s operation in the bandwidth-limited duobinary transmission format [17] has also been successfully demonstrated.…”

Field trial of 107-Gb/s channel carrying live video traffic over 504 km in-service DWDM route

“…The IEEE 802.3 Higher Speed Study Group (HSSG) voted to support both 40 Gb/s and 100 Gb/s as the next Ethernet rates [2] and the ITU-T Study Group 15 has started to develop an OTU-4 specification in G.709 to support 100G transport [3]. In parallel, transport equipment vendors have made significant progress in 100G technologies [4][5][6], and network service providers continue to publish their activity on 100G [7][8][9]. However, most of the publications to date have been results from research labs, with a few exceptions: Deutsche Telekom and Alcatel reported a field trial in which eight 85.4-Gb/s signals were transmitted over 421 km of field installed fiber [7].…”

“…In parallel, transport equipment vendors have made significant progress in 100G technologies [4][5][6], and network service providers continue to publish their activity on 100G [7][8][9]. However, most of the publications to date have been results from research labs, with a few exceptions: Deutsche Telekom and Alcatel reported a field trial in which eight 85.4-Gb/s signals were transmitted over 421 km of field installed fiber [7]. Siemens, AT&T, and collaborators reported a 107-Gb/s channel transmitted over 160 km of field installed fiber [8]; however, neither carried live traffic nor co-propagated with other channels on an existing networking infrastructure.…”

Integrated 100-Gb/s ETDM Receiver

“…Electronic circuitry for 40 Gb/s is already commercially available. Transmission systems based on electrical-timedivision-multiplexing (ETDM) operating above 80 Gb/s were reported recently [11]- [14]. In [11] and [12], the data rate was limited to 85 Gb/s and the electrical receiver comprised a number of small single circuits requiring an additional photo diode for the clock recovery.…”

“…Transmission systems based on electrical-timedivision-multiplexing (ETDM) operating above 80 Gb/s were reported recently [11]- [14]. In [11] and [12], the data rate was limited to 85 Gb/s and the electrical receiver comprised a number of small single circuits requiring an additional photo diode for the clock recovery. In [13] and [14], the data rate was 107 Gb/s, but the receiver included an optical time division demultiplexer and the clock was transmitted on a separate wavelength channel.…”