A Novel Optoelectronic Serial-to-Parallel Converter for 25-Gbps 32-bit Optical Label Processing

Salah IBRAHIM  Hiroshi ISHIKAWA  Tatsushi NAKAHARA  Yasumasa SUZAKI  Ryo TAKAHASHI  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E97-C   No.7   pp.773-780
Publication Date: 2014/07/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E97.C.773
Type of Manuscript: Special Section PAPER (Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
optical packet switching,  optical packet processing,  serial-to-parallel converter,  optoelectronic integrated circuit,  

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Summary: 
An optoelectronic 32-bit serial-to-parallel converter with a novel conversion scheme and shared-trigger configuration has been developed for the label processing of 100-Gbps (25-Gbps × 4 λ) optical packets. No external optical trigger source is required to operate the converter, as the optical packet itself is used to perform self-triggering. Compared to prior optoelectronic label converters, the new device has a much higher gain even while converting labels at higher data rates, and exhibits tolerance to the voltage swing of received packets. The device response is presented together with the experimental demonstration of serial-to-parallel conversion for 4 different labels at 25 Gbps.