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Proceedings Paper

Bidirectional WDM-RoF system for simultaneous 1.25Gb/s wired/wireless transmission using multi optical carrier suppression in FP LD
Author(s): Hyun-Seung Kim; Thang Tien Pham; Yong-Yuk Won; Sang-Kook Han
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Paper Abstract

A new bidirectional wavelength division multiplexing - radio over fiber scheme is proposed with multi optical carrier suppression for simultaneous wired and wireless 1.25-Gbps signal transmission. For downstream signals, all modes of a Fabry Perot laser diode are simultaneously suppressed by a Mach-Zehnder modulator at Vπ bias point to mitigate a chromatic dispersion. A reflective SOA is used both for reduction of mode partition noise induced from the Fabry Perot laser diode and for the downstream modulation of each channel. The effect of MPN reduction is verified by measuring RF spectra and phase noises. For an upstream signal, another reflective SOA in BS is used by re-modulation technique, which is verified by measuring both the RF spectra and a dynamic rage of an optical input power to the RSOA. A BER of 10-11 for three downlink channels and one uplink channel at 1.25-Gbps are experimentally demonstrated after 23-km SMF transmission.

Paper Details

Date Published: 26 January 2009
PDF: 8 pages
Proc. SPIE 7234, Broadband Access Communication Technologies III, 72340A (26 January 2009); doi: 10.1117/12.808084
Show Author Affiliations
Hyun-Seung Kim, Yonsei Univ. (Korea, Republic of)
Thang Tien Pham, Yonsei Univ. (Korea, Republic of)
Yong-Yuk Won, Yonsei Univ. (Korea, Republic of)
Sang-Kook Han, Yonsei Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 7234:
Broadband Access Communication Technologies III
Benjamin B. Dingel; Raj Jain; Katsutoshi Tsukamoto, Editor(s)

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