100 Gb/s DQPSK field trial: Live video transmission over an operating LambdaXtreme® network

Gregory Raybon*, Peter J. Winzer, Haoyu Song, Andrew Adamiecki, Stephen Corteselli, Alan H. Gnauck, Thomas Kissell, Daniel A. Fishman, Nat M. Denkin, Yuan Hua Kao, Terry L. Downs, Anthony Carenza, Stephan Scrudato, Edward H. Goode, William A. Thompson, Christopher R. Doerr, Lawrence L. Buhl, Tiejun Xia, Glenn Wellbrock, Wang LeeGreg Lyons, Peter Hofmann, Tina T. Fisk, E. Bert Basch, William J. Kluge, Johnny R. Gatewood, Tetsuya Kawanishi, Kaoru Higuma, Yves Painchaud

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Successful transmission of live (real time) video traffic is demonstrated using a prototype 100 Gb/s single-polarization differential quadrature phase shift keying (DQPSK) transmitter and receiver over an in-service 504 km link of the LambdaXtreme® optical transport platform. Teaming with Verizon Business, we demonstrate the feasibility of upgrading an existing, live traffic bearing network to 100 Gb/s per wavelength without any changes to the current hardware or software. The 107 Gb/s signal is added at a reconfigurable optical add/drop multiplexer (ROADM) at a network node in Tampa, Florida, and dropped at a ROADM in Miami, Florida, where both live video and pseudorandom test sequences are received. In addition, we discuss the steps leading up to this field trial that included several important precursor laboratory experiments. We detail the generation, detection, coding, and longhaul transmission of single-polarization DQPSK at a line rate of 53.5 Gbaud to support a net information bit rate of 100 Gb/s.

Original languageEnglish
Pages (from-to)85-113
Number of pages29
JournalBell Labs Technical Journal
Issue number4
Publication statusPublished - 2010
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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