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Optical Multi-Level Signal Generation Using Four-Wave-Mixing
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.ORCID iD: 0000-0002-3401-1125
2011 (English)In: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 29, no 14, 2166-2172 p.Article in journal (Refereed) Published
Abstract [en]

We propose and demonstrate a novel optical method to generate multi-level signals with reduced driving voltage through degenerate four-wave mixing processes. With the present approach, it is possible to extend the size of the signal constellations and at the same time reduce the modulator driving voltage without bandwidth degradations. In our experiments, one amplitude shift keying (ASK) signal and one differential phase shift keying (DPSK) signal are used to generate one ASK-DPSK signal with clearly opened eye-diagrams and error-free demodulation results. Our numerical simulations show that the proposed method is applicable for generating several 8-ary and 16-ary quadrature amplitude modulation (QAM) signals with silicon waveguides at a higher modulation baud rate.

Place, publisher, year, edition, pages
2011. Vol. 29, no 14, 2166-2172 p.
Keyword [en]
Coherent communication, four-wave mixing, nonlinear optics, quadrature amplitude modulation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-48524DOI: 10.1109/JLT.2011.2157458ISI: 000296698100002Scopus ID: 2-s2.0-79960660761OAI: oai:DiVA.org:kth-48524DiVA: diva2:458064
Note
QC 20111121Available from: 2011-11-21 Created: 2011-11-21 Last updated: 2017-12-08Bibliographically approved

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He, Sailing

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  • apa
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  • vancouver
  • Other style
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  • de-DE
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Output format
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