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Optical QPSK/16QAM modulation based on serial-parallel MZM scheme in radio-over-fiber system |
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| Authors: | LI Ying-chun ZOU Shi-huan WEI Lin CAI You-mei YE Jia-jun LIN Ru-jian |
| Institution: | Key Laboratory of Specialty Optics and Optical Access Networks, School of Communication and Information Engineering, Shanghai University, Shanghai 200072, P. R. China |
| Abstract: | A novel scheme of optical modulation in 40 GHz radio-over fiber (RoF) system is proposed. It generates optical QPSK/16QAM signals in a serial-parallel structure of Mach-Zehnder modulators (MZMs). The millimeter-wave is obtained with optical frequency multiplication (OFM). Furthermore, modulation on optical-wave is transferred onto millimeter-wave. It can be used to increase transmission capacity of millimeter-wave RoF systems. |
| Keywords: | radio-over-fiber (RoF) optical frequency multiplication optical modulation broadband communication |
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