Observation of small sub-pulses out of the delayed-interference signal-wavelength converter

Publication: Research - peer-reviewJournal article – Annual report year: 2005

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The generation of small sub-pulses in the delayed-interference signal-wavelength converter (DISC), which has been studied for use in future 160-Gb/s optical time division multiplexing-wavelength division multiplexing (OTDM-WDM) communication systems, was recently predicted as a potential problem. In this work, we have experimentally verified the generation of such pulses and its mechanism. In the experiments we used 3.8-ps-long 1.56-mu m input pulses with repetition frequencies from 12.5 to 25.0 GHz and a cross-correlation monitoring system with a time resolution of approximately 2 ps.
Original languageEnglish
JournalJapanese Journal of Applied Physics Part 2-letters & Express Letters
Publication date2005
Volume44
Issue42-45
PagesL1358-L1360
ISSN0021-4922
StatePublished

Keywords

  • semiconductor optical amplifier (SOA), all-optical signal processing, delayed-interference signal-wavelength converter (DISC), nonlinear phase shift, wavelength conversion
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