All-optical OFDM transmission of 7 × 5-Gb/s data over 84-km standard single-mode fiber without dispersion compensation and time gating using a photonic-integrated optical DFT device

I. Kang, M. Rasras, X. Liu, S. Chandrasekhar, M. Cappuzzo, L. T. Gomez, Y. F. Chen, L. Buhl, S. Cabot, J. Jaques

Research output: Contribution to journalArticle

Abstract

We implement dispersion-tolerant and time-gating-free all-optical OFDM transmission using a photonic-integrated discrete Fourier transform (DFT) device. We show that 35-Gb/s OFDM data having near-unity spectral efficiency can be transmitted all-optically with 1-dB dispersion margin of ∼1000 ps/nm. The passive-optical DFT circuit is implemented using multi-mode interference (MMI) couplers on a high index-contrast silica integrated-optic platform. We also propose a photonic DFT circuit based on an NxN MMI device capable of simultaneous channelization of OFDM signals into N subcarriers.

Original languageEnglish (US)
Pages (from-to)9111-9117
Number of pages7
JournalOptics Express
Volume19
Issue number10
DOIs
StatePublished - May 9 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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