We experimentally demonstrate a 4-Gb/s radio-over-fiber （RoF） system with 40-kin fiber and 2-m wireless distance downstream at 100-GHz carrier. To the best of our knowledge, this is for the first time in China to re...We experimentally demonstrate a 4-Gb/s radio-over-fiber （RoF） system with 40-kin fiber and 2-m wireless distance downstream at 100-GHz carrier. To the best of our knowledge, this is for the first time in China to realize optical wireless link at 100 GHz. In this letter, simple intensity modulator with direct detector （IM-DD） modulation is employed and optical power penalty afZer 40-kin single mode fiber （SMF）-28 and 2-m air link is 3.2 dB with bit-error-rate （BER） at 1 × 10- 9.展开更多
设计了一种基于四阶脉冲幅度调制(PAM4)技术的50 Gbit/s 40 km QSFP28封装的长距离光传输模块,以应对现代社会对通信传输的带宽、速率和容量等要求的不断增长。使用了PAM4技术以提高单波长的数据传输容量,使得单波传输速率达到50 Gbit/s...设计了一种基于四阶脉冲幅度调制(PAM4)技术的50 Gbit/s 40 km QSFP28封装的长距离光传输模块,以应对现代社会对通信传输的带宽、速率和容量等要求的不断增长。使用了PAM4技术以提高单波长的数据传输容量,使得单波传输速率达到50 Gbit/s;在模块的接收单元使用雪崩光电二极管(APD)作为光探测器,使得模块对小光信号的接收能力得到提高;测试结果表明,模块的性能较为稳定,优化了APD部分电路设计,以获得更佳的传输效果,能够满足50 GE 40 km传输。展开更多
基金supported by the National "973" Program of China(No.2010CB328300)the National Natural Science Foundation of China(Nos.61107064,61177071,and 600837004)+1 种基金the Doctoral Fund of Ministry of Education,the Open Fund of State Key Lab of ASIC&System(No.11MS009)the Open Fund of State Key Lab of Information Photonics and Optical Communications
文摘We experimentally demonstrate a 4-Gb/s radio-over-fiber （RoF） system with 40-kin fiber and 2-m wireless distance downstream at 100-GHz carrier. To the best of our knowledge, this is for the first time in China to realize optical wireless link at 100 GHz. In this letter, simple intensity modulator with direct detector （IM-DD） modulation is employed and optical power penalty afZer 40-kin single mode fiber （SMF）-28 and 2-m air link is 3.2 dB with bit-error-rate （BER） at 1 × 10- 9.
文摘设计了一种基于四阶脉冲幅度调制(PAM4)技术的50 Gbit/s 40 km QSFP28封装的长距离光传输模块,以应对现代社会对通信传输的带宽、速率和容量等要求的不断增长。使用了PAM4技术以提高单波长的数据传输容量,使得单波传输速率达到50 Gbit/s;在模块的接收单元使用雪崩光电二极管(APD)作为光探测器,使得模块对小光信号的接收能力得到提高;测试结果表明,模块的性能较为稳定,优化了APD部分电路设计,以获得更佳的传输效果,能够满足50 GE 40 km传输。
