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Generation of Carrier and Odd Sidebands Suppressed Optical MM-Wave with Signal Only on One Sideband Using an External Integrated Mach-Zehnder Modulator

Generation of Carrier and Odd Sidebands Suppressed Optical MM-Wave with Signal Only on One Sideband Using an External Integrated Mach-Zehnder Modulator
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摘要 A novel scheme to generate millimeter (mm)-wave is proposed where the quadrupling of local radio frequency is formed by using an external integrated Mach-Zehnder modulator through intensity modulation or phase modulation. Generated optical mm-wave signal suffers from neither power periodical fading nor time shift of the sidebands as it is transmitted along the fiber. Receiver sensitivity of our 10Gbit/s radio-over-fiber system based on the proposed scheme is -28.3dBm under intensity modulation while -24dBm under phase modulation after 65km transmission, and bit error rate is at 10-4 level after 100km transmission. Optical carrier in uplink is provided by the central station to simplify the base station, which also reduces the cost of the base station. A novel scheme to generate millimeter (mm)-wave is proposed where the quadrupling of local radio frequency is formed by using an external integrated Mach-Zehnder modulator through intensity modulation or phase modulation. Generated optical mm-wave signal suffers from neither power periodical fading nor time shift of the sidebands as it is transmitted along the fiber. Receiver sensitivity of our 10Gbit/s radio-over-fiber system based on the proposed scheme is -28.3dBm under intensity modulation while -24dBm under phase modulation after 65km transmission, and bit error rate is at 10-4 level after 100km transmission. Optical carrier in uplink is provided by the central station to simplify the base station, which also reduces the cost of the base station.
出处 《Chinese Physics Letters》 SCIE CAS CSCD 2009年第12期129-132,共4页 中国物理快报(英文版)
基金 Supported by the National Basic Research Program of China under Grant No 2010CB328300, the National Natural Science Foundation of China under Grant Nos 60977046 and 60677004, the National High-Technology Research and Development Program of China under Grant No 2009AA01Z220, Teaching and Scientific Research Foundation for the Returned Overseas Chinese Scholars (Ministry of Education of China), and Program for New Century Excellent Talents in University of China (NECT-07-0111).
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