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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
- 1.0350267 - ÚFE 2011 RIV NL eng J - Journal Article
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. E-ISSN 1873-0310
R&D Projects: GA AV ČR 1ET300670502; GA MŠMT OE08021; GA ČR GAP102/10/0120
Institutional research plan: CEZ:AV0Z20670512
Keywords : RZ-to-NRZ modulation format conversion * Fiber cross phase modulation * Nonlinear optical loop mirror
Subject RIV: BH - Optics, Masers, Lasers
Impact factor: 1.517, year: 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.
Permanent Link: http://hdl.handle.net/11104/0190309
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