1xM Packet-switched router based on the PPM header address for all-optical WDM networks

Ming-Feng Chiang, Zabih Ghassemlooy, Wai Pang Ng, Hoa Le Minh, Ahmad Abd El Aziz

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents an all-optical 1xM router architecture for simultaneous multiple-wavelength packet routing, without the need for wavelength conversion. The packet header address is based on the pulse position modulation (PPM) format, which allows the use of only a single-bitwise optical AND gate for fast packet header address correlation. The proposed scheme offers both multicast and broadcast capabilities. We have demonstrated a high speed packet routing at 160 Gb/s in simulation, with a low channel crosstalk (CXT) of ~ -27 dB with a channel spacing of > 0.4 THz and a demultiplexer bandwidth of 500 GHz. The output transfer function of the PPM header processing (PPM-HP) module is also investigated in this paper.
Original languageEnglish
JournalThe Mediterranean Journal of Electronics and Communications
Volume6
Issue number3
Publication statusPublished - Jul 2010

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