2 Tbit/s free-space data transmission on two orthogonal orbital-angular-momentum beams each carrying 25 WDM channels

Irfan M. Fazal, Nisar Ahmed*, Jian Wang, Jeng Yuan Yang, Yan Yan, Bishara Shamee, Hao Huang, Yang Yue, Sam Dolinar, Moshe Tur, Alan E. Willner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate a 2 Tbit/s free-space data link using two orthogonal orbital angular momentum beams each carrying 25 different wavelength-division- multiplexing channels. We measure the performance for different modulation formats, including directly detected 40 Gbit/s nonreturn-to-zero (NRZ) differential phase-shift keying, 40 Gbit/s NRZ on-off keying, and coherently-detected 10 Gbaud NRZ quadrature phase-shift keying, and achieve low bit error rates with penalties less than 5 dB.

Original languageEnglish
Pages (from-to)4753-4755
Number of pages3
JournalOptics Letters
Volume37
Issue number22
DOIs
StatePublished - 15 Nov 2012

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