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

Ilnam Kang | Zendy; Mahmoud Rasras | Zendy; X. Liu | Zendy; S. Chandrasekhar | Zendy; M. Cappuzzo | Zendy; L.T. Gomez | Zendy; Y. F. Chen | Zendy; L.L. Buhl | Zendy; S. Cabot | Zendy; J. Jaques | Zendy

Open Access

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

Author(s) -

Ilnam Kang,

Mahmoud Rasras,

X. Liu,

S. Chandrasekhar,

M. Cappuzzo,

L.T. Gomez,

Y. F. Chen,

L.L. Buhl,

S. Cabot,

J. Jaques

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.009111

Subject(s) - optics , dispersion (optics) , materials science , photonics , single mode optical fiber , transmission (telecommunications) , photonic integrated circuit , orthogonal frequency division multiplexing , refractive index , interference (communication) , optical fiber , optoelectronics , channel (broadcasting) , physics , computer science , telecommunications

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.

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