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10 and 20 Gb/s all-optical RZ to NRZ modulation format and wavelength converter based on nonlinear optical loop mirror

  1. 1.
    0350267 - URE-Y 2011 RIV NL eng J - Článek v odborném periodiku
    Honzátko, Pavel - Karásek, Miroslav
    10 and 20 Gb/s all-optical RZ to NRZ modulation format and wavelength converter based on nonlinear optical loop mirror.
    Optics Communications. Roč. 283, č. 10 (2010), s. 2061-2065 ISSN 0030-4018
    Grant CEP: GA AV ČR 1ET300670502; GA MŠk OE08021; GA ČR GAP102/10/0120
    Výzkumný záměr: CEZ:AV0Z20670512
    Klíčová slova: RZ-to-NRZ modulation format conversion * Fiber cross phase modulation * Nonlinear optical loop mirror
    Kód oboru RIV: BH - Optika, masery a lasery
    Impakt faktor: 1.517, rok: 2010

    We present experimental and theoretical results on all-optical 10 and 20 Gb/s RZ to NRZ modulation format and wavelength converter based on a nonlinear optical loop mirror (NOLM). A vector model of converter was developed and the shape of converted pulses was found analytically for particular choice of polarization states. In the experiment, non-zero dispersion shifted fiber with a length 1200 m was used as a nonlinear medium. Pulses from a 10 GHz mode-locked semiconductor laser diode were modulated to form pseudorandom RZ signal and eventually time division multiplexed to 20 Gb/s. RZ pulses were subsequently converted to NRZ signal. The performance of the converter was evaluated experimentally using the data communication analyzer and bit error ratio tester.
    Trvalý link: http://hdl.handle.net/11104/0190309
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