Cost-effective 33-Gbps intensity modulation direct detection multi-band OFDM LR-PON system employing a 10-GHz-based transceiver | Zendy

Dar-Zu Hsu | Zendy; Chia-Chien Wei | Zendy; Hsing-Yu Chen | Zendy; Wei-Yuan Li | Zendy; Jyehong Chen | Zendy

Open Access

Cost-effective 33-Gbps intensity modulation direct detection multi-band OFDM LR-PON system employing a 10-GHz-based transceiver

Author(s) -

Dar-Zu Hsu,

Chia-Chien Wei,

Hsing-Yu Chen,

Wei-Yuan Li,

Jyehong Chen

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.19.017546

Subject(s) - subcarrier , orthogonal frequency division multiplexing , passive optical network , intensity modulation , bandwidth (computing) , optics , fading , modulation (music) , physics , computer science , electronic engineering , telecommunications , wavelength division multiplexing , phase noise , phase modulation , engineering , wavelength , channel (broadcasting) , decoding methods , acoustics

We develop a dynamic multi-band OFDM subcarrier allocation scheme to fully utilize the available bandwidth under the restriction of dispersion- and chirp-related power fading. The experimental results successfully demonstrate an intensity-modulation-direct-detection 34.78-Gbps OFDM signal transmissions over 100-km long-reach (LR) passive-optical networks (PONs) based on a cost-effective 10-GHz EAM and a 10-GHz PIN. Considering 0-100-km transmission bandwidth of a 10-GHz EAM, the narrowest bandwidth is theoretically evaluated to occur at ~40 km, instead of 100 km. Consequently, the performances of 20-100-km PONs are experimentally investigated, and at least 33-Gbps capacity is achieved to support LR-PONs of all possible 20-100-km radii.

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