Simultaneous wavelength and orbital angular momentum demultiplexing using tunable MEMS-based Fabry-Perot filter

Research output: Contribution to journalJournal article – Annual report year: 2017Researchpeer-review



  • Author: Lyubopytov, Vladimir

    Networks Technology and Service Platforms, Metro-Access and Short Range Systems, Department of Photonics Engineering, Technical University of Denmark, Ørsteds Plads, 2800, Kgs. Lyngby, Denmark

  • Author: Porfirev, Alexey P.

    Samara National Research University, Russian Federation

  • Author: Gurbatov, Stanislav O.

    Far Eastern Federal University, Russian Federation

  • Author: Paul, Sujoy

    Technische Universität Darmstadt, Germany

  • Author: Schumann, Martin F.

    Karlsruhe Institute of Technology, Germany

  • Author: Cesar, Julijan

    Technische Universität Darmstadt, Germany

  • Author: Malekizandi, Mohammadreza

    Technische Universität Darmstadt, Germany

  • Author: Haidar, Mohammad T.

    Technische Universität Darmstadt, Germany

  • Author: Wegener, Martin

    Karlsruhe Institute of Technology, Germany

  • Author: Chipouline, Arkadi

    Technische Universität Darmstadt, Germany

  • Author: Küppers, Franko

    Technische Universität Darmstadt, Germany

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In this paper, we experimentally demonstrate simultaneous wavelength and orbital angular momentum (OAM) multiplexing/demultiplexing of 10 Gbit/s data streams using a new on-chip micro-component-tunable MEMS-based Fabry-Perot filter integrated with a spiral phase plate. In the experiment, two wavelengths, each of them carrying two channels with zero and nonzero OAMs, form four independent information channels. In case of spacing between wavelength channels of 0.8 nm and intensity modulation, power penalties relative to the transmission of one channel do not exceed 1.45, 0.79 and 0.46 dB at the harddecision forward-error correction (HD-FEC) bit-error-rate (BER) limit 3.8 × 10□3 when multiplexing a Gaussian beam and OAM beams of azimuthal orders 1, 2 and 3 respectively. In case of phase modulation, power penalties do not exceed 1.77, 0.54 and 0.79 dB respectively. At the 0.4 nm wavelength grid, maximum power penalties at the HD-FEC BER threshold relative to the 0.8 nm wavelength spacing read 0.83, 0.84 and 1.15 dB when multiplexing a Gaussian beam and OAM beams of 1st, 2nd and 3rd orders respectively. The novelty and impact of the proposed filter design is in providing practical, integrable, cheap, and reliable transformation of OAM states simultaneously with the selection of a particular wavelength in wavelength division multiplexing (WDM). The proposed on-chip device can be useful in future high-capacity optical communications with spatial-and wavelengthdivision multiplexing, especially for short-range communication links and optical interconnects.
Original languageEnglish
JournalOptics Express
Issue number9
Pages (from-to)9634-9646
Publication statusPublished - 2017
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Electric Filters, Electromagnetic Waves, Television Systems and Equipment, Optical Communication Systems, Computer Programming, Fission and Fusion Reactions, Optical Instruments, Angular momentum, Bandpass filters, Bit error rate, Data communication systems, Demultiplexing, Digital television, Electromechanical filters, Error correction, Fabry-Perot interferometers, Forward error correction, Gaussian beams, Inertial confinement fusion, Microelectromechanical devices, Modulation, Multiplexing, Wavelength division multiplexing, Fabry-Perot filters, Information channels, Intensity modulations, Multiplexing/de-multiplexing, Orbital angular momentum, Short-range communication links, Spiral phase plates, Wavelength channels, Optical communication
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ID: 132506153