Simultaneous wired and wireless 1.25-Gb/s bidirectional WDM-RoF transmission using multiple optical carrier suppression in FP LD

Hyun Seung Kim, Thang Tien Pham, Yong Yuk Won, Sang Kook Han

Research output: Contribution to journalArticle

26 Citations (Scopus)


In this paper, a new bidirectional wavelength division multiplexing radio-over-fiber (WDM-RoF) scheme is proposed with multiple optical carrier suppression for simultaneous wired and wireless 1.25-Gb/s signal transmission. For downstream signals, all modes of a Fabry-Pérot 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-Pérot laser diode and for the downstream modulation of each channel. The effect of mode partition noise (MPN) reduction is verified by measuring radio frequency (RF) spectra and phase noises. For an upstream signal, another reflective semiconductor optical amplifier (RSOA) in base station (BS) is used by remodulation technique, which is verified by measuring both the RF spectra and a dynamic rage of an optical input power to the RSOA. A bit error rate (BER) of 10-11 for three downlink channels and one uplink channel at 1.25 Gb/s are experimentally demonstrated after 23-km SMF transmission.

Original languageEnglish
Pages (from-to)2744-2750
Number of pages7
JournalJournal of Lightwave Technology
Issue number14
Publication statusPublished - 2009 Jul 15


All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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