40-Gbit/s 16-bit Burst Optical Packet Generator Based on Photonic Parallel-to-Serial Conversion

Hirokazu TAKENOUCHI  Kiyoto TAKAHATA  Tatsushi NAKAHARA  Ryo TAKAHASHI  Hiroyuki SUZUKI  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E87-C   No.5   pp.825-827
Publication Date: 2004/05/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Optoelectronics
Keyword: 
optical packet generation,  parallel-to-serial conversion,  packet-switched network,  metal-semiconductor-metal photodetector,  

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Summary: 
We propose a burst optical packet generator based on a novel photonic parallel-to-serial conversion scheme, and demonstrate 40-Gbit/s 16-bit optical packet generation from 16-ch parallel low-voltage TTL data streams. It consists of electrical 4:1 parallel-to-serial converters that employ InP metal-semiconductor-metal photodetectors, and an optical time-domain multiplexer with electroabsorption modulators. The proposed optical packet generator is suitable for burst optical packet generation and overcomes the electronic bandwidth limitation, which is prerequisite for achieving high-speed photonic packet switched networks. In addition, it can be driven by simple low-cost low-power CMOS logic circuits, and is compact and extensible in terms of the number of input channels due to the effective combination of electrical and optical multiplexing.