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内蒙古自治区呼和浩特市赛罕区大学西街235号 邮编: 010021
作者机构:GIST Ctr Distributed Sensor Networks Dept Nanobiomat & Elect Kwangju 500712 South Korea
出 版 物:《OPTICS EXPRESS》 (Opt. Express)
年 卷 期:2009年第17卷第12期
页 面:9810-9817页
核心收录:
学科分类:070207[理学-光学] 07[理学] 08[工学] 0803[工学-光学工程] 0702[理学-物理学]
基 金:KOSEF [2009-0080277] Bio-imaging Research Center at the Gwangju Institute of Science and Technology
主 题:.rof conversion efficiency upconversion semiconductor optical single-sideband radio-over-fiber UPCONVERTER optical interleaver fiber chromatic dispersion all-optical SSB OSSB RF
摘 要:We propose and experimentally demonstrate an all-optical upconverter for the generation of an optical single-sideband (OSSB) signal in radio-over-fiber (RoF) systems. The OSSB signal, which is required for overcoming the fiber chromatic dispersion problem in RoF systems, is generated by using an all-optical SSB upconverter consisting of an optical interleaver and a semiconductor optical amplifier. With this upconversion technique, OSSB radio frequency (RF) signals with an RF frequency ranging from 15 GHz to 42.5 GHz are generated by mixing an optical intermediate frequency (IF) signal (1 GHz) with an optical local oscillator signal and transmitted over a 46 km standard single-mode fiber. The OSSB RF signal generated by this upconversion technique shows negligible dispersion-induced carrier suppression effects, which are usually observed for an optical double-sideband RF signal. The all-optical SSB upconverter provides high conversion efficiency of up to 29 dB and a sufficiently large spurious free dynamic range of 82 dB(.)Hz(2/3) for microcellular personal communication system applications. (C) 2009 Optical Society of America