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All-optical generation of 40 Gb/s single sideband signals using a fiber Bragg grating |
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| Authors: | Miguel V Drummond Rogério N Nogueira Manuel Violas Carola Sterner Pierre-Yves Fonjallaz |
| Institution: | a Instituto de Telecomunicações, 3810-193 Aveiro, Portugal b Nokia Siemens Networks Portugal S.A., 2720-093 Amadora, Portugal c ACREO AB, Electrum 229, SE-164 40 Kista, Sweden d Kista Photonics Research Center, Royal Institute of Technology, Electrum 229, SE-164 40 Kista, Sweden |
| Abstract: | In this work, we demonstrate a reliable all-optical technique for performing optical double sideband (ODSB) to single sideband (OSSB) format conversion of a 40 Gb/s non-return-to-zero signal. It is based on the optimization of a detuned optical filter, which was implemented on a fiber Bragg grating (FBG) with a complex apodization profile. An OSSB signal with negligible distortion was obtained, as the FBG presented a nearly ideal frequency response. Higher tolerance to chromatic dispersion enabled by the OSSB signal in comparison to the ODSB signal was demonstrated on both simulation and experimental results. |
| Keywords: | Optical single sideband Detuned filtering Fiber Bragg gratings Optical communication systems |
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