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High phase noise tolerant pilot-tone-aided DP-QPSK optical communication systems
Technical University of Denmark, Denmark.ORCID iD: 0000-0003-4906-1704
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2012 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 20, no 18, p. 19990-19995Article in journal (Refereed) Published
Abstract [en]

In this paper we experimentally demonstrate a novel, high phase-noise tolerant, optical dual polarization (DP) quadrature phase-shift keying (QPSK) communication system based on pilot-tone-aided phase noise cancellation (PNC) algorithm. Vertical cavity surface emitting lasers (VCSELs) with approximate 300 MHz linewidth are used as transmitters and local oscillators for coherent detection of optical DP-QPSK signals. The proposed system, with central wavelength at 1540.68 nm, operates at 40 Gb/s over 80 km single mode fiber (SMF) as part of a passive optical network (PON). The deployment of pilot-tone-aided PNC algorithm guarantees a bit error rate (BER) performance below the forward error correction (FEC) threshold. Moreover, we also evaluate a novel digital signal processing (DSP) algorithm for adaptive pilot tone detection.

Place, publisher, year, edition, pages
Optical Society of America, 2012. Vol. 20, no 18, p. 19990-19995
National Category
Communication Systems Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-215538DOI: 10.1364/OE.20.019990ISI: 000308414800039PubMedID: 23037051Scopus ID: 2-s2.0-84865731974OAI: oai:DiVA.org:kth-215538DiVA, id: diva2:1154439
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QC 20171102

Available from: 2017-11-02 Created: 2017-11-02 Last updated: 2017-11-29Bibliographically approved

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  • de-DE
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  • Other locale
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